deadlocks.
(class locked_process): Move to another header.
* sync.h (lock_process): Define here.
* cygtls.cc (_cygtls::fixup_after_fork): Reset spinning state as well as
stacklock state.
* dcrt0.cc (lock_process::locker): Define.
(dtable::lock_cs): Delete.
* dtable.cc (dtable_init): Eliminate call to init_lock().
(dtable::fixup_after_fork): Ditto.
(dtable::init_lock): Delete definition.
* dtable.h (dtable::init_lock): Delete declaration.
(dtable::lock): Use process lock rather than dtable-specific lock.
(dtable::unlock): Ditto.
* sigproc.cc (sigproc_init): Minor change to debugging output.
* times.cc (utime_worker): Use build_fh_pc rather than reinterpreting the posix
path name again. Return any error from path_conv immediately.
cygthread to handle extra argument, throughout.
* cygthread.h (cygthread::callproc): Declare new method.
(cygthread::cygthread): Add optional length argument to allow copying arguments
to executing thread.
* cygthread.cc (cygthread::callproc): Define new method.
(cygthread::stub): Use callfunc to invoke thread func to allow potentially
allocating stack memory which will be returned.
(cygthread::simplestub): Ditto.
(cygthread::cygthread): Accept arglen argument. Reset ev here prior to
activating thread. Wait for ev after activating thread if we're copying
contents to the thread. Wait until the end before setting h, to allow thread
synchronization.
(cygthread::release): Don't reset ev here. Rely on that happening the next
time the thread is activated.
* pinfo.h (commune_process): Rename declaration from _pinfo::commune_process.
* pinfo.cc (commune_process): Ditto for definition. Modify slightly to allow
running as a separate cygthread.
* sigproc.cc (child_info::sync): Always wait for both subproc_ready and any
hProcess if we have a cygwin parent.
(talktome): Change argument to be a pointer to siginfo_t. Contiguously
allocate whole siginfo_t structure + any needed extra for eventual passing to
commune_process thread.
(wait_sig): Accommodate change in talktome argument.
* pipe.cc (fhandler_pipe::fixup_after_exec): Remove debugging.
* dtable.h (class dtable): Add class process_lock as a friend.
* dcrt0.cc (get_exit_lock): Delete.
(do_exit): Use process_lock class instead of get_exit_lock.
* exceptions.cc (signal_exit): Ditto.
* pinfo.cc (pinfo::exit): Ditto.
(_pinfo::commune_process): Set process lock around this whole function.
(_pinfo::commune_request): Use process_lock rather than myself.lock.
* pinfo.h (pinfo::_lock): Delete.
(pinfo::initialize_lock): Delete.
(pinfo::lock): Delete.
(pinfo::unlock): Delete.
* winsup.h (get_exit_lock): Delete declaration.
instead.
(get_exit_lock): New function. Grabs the lock and sets initial exit_state.
* exceptions.cc (try_to_debug): Use low_priority_sleep.
(sigpacket::process): Avoid handler if this is an exec stub.
(signal_exit): Use get_exit_lock rather than manipulating the exit_lock
critical section directly.
* pinfo.cc (pinfo::exit): Ditto.
* winsup.h (get_exit_lock): Declare.
(exit_lock): Delete declaration.
(alloc_stack): Use tls stuff for stack info rather than calling VirtualQuery.
(dll_crt0_0): Initialize _impure_ptr stuff much earlier. Move
init_console_handler here.
* fork.cc (class frok): New class renamed from local fork() struct.
(stack_base): Change argument type. Use tls stuff to determine stack info
rather than calling VirtualQuery.
(frok::child): Rename from fork_child. Eliminate now unneeded arguments.
(frok::parent): Rename from fork_parent and ditto. Set error and errno as
appropriate. Fixup impersonation in cleanup, if needed. Try harder to set
errno appropriately.
(fork): Define "grouped" as a frok type. Deal with errors from fork_parent
here.
* init.cc (dll_entry): Remove init_console_handler call.
* cygtls.h (struct _cygtls::thread_handle): New field.
* dcrt0.cc (exit_lock): Remove declaration.
* winsup.h (exit_lock): Add declaration.
* exceptions.cc (sigpacket::process): Properly return after signal_exit.
* pinfo.cc (pinfo::exit): Only exit the process if _my_tls.thread_handle has
not been filled out -- which should be an impossible event.
* sigproc.cc (sigproc_terminate): Fillout _my_tls.thread_handle to provide
something for wait_sig to wait for. Use the siginfo_t version of sig_send and
fill out the tls argument with _my_tls.
(wait_sig): Wait for the thread specified in pack.tls or (for now) complain
bitterly if it doesn't exit.
pinfo::exit.
* pinfo.cc (pinfo::exit): Move sigproc_terminate later so that signals can be
processed while waiting for hExeced child.
(pinfo::maybe_set_exit_code_from_windows): Set exit code from sigExeced if it
is non-zero. Set exit_state to ES_EXEC_EXIT prior to waiting for captive
process exit code.
* exceptions.cc (sigExeced): New global variable.
(signal_exit): Remove noreturn attribute from declaration.
(signal_exit): Just terminate captive process and return if hExeced on the
theory that the exit will be subsequently handled in the main thread.
* sigproc.cc (sigproc_terminate): Eliminate test for ES_SIGPROCTERMINATE and
use ES_FINAL instead.
(sig_send): Use no_signals_available instead of duplicate test.
* winsup.h (ES_EXEC_EXIT): New enum.
(ES_SIGPROCTERMINATE): Delete.
(handle_exceptions): Use _sig_tls rather than sigtid to determine if this is
the signal thread.
(set_signal_mask): Ditto for conditionalized CGF code.
* pinfo.cc (pinfo::exit): Exit the thread if we forcefully terminated the main
thread
* sigproc.cc (sigtid): Delete.
(_sig_tls): Define.
(sig_clear): Use _sig_tls rather than sigtid to determine if this is the signal
thread.
(sig_dispatch_pending): Ditto.
(wait_sig): Set _sig_tls here.
* dcrt0.cc (do_exit): Move sigproc_terminate call later since signal handling
was still needed for subsequent stuff. Call sigproc_terminate with new
exit_state value.
* pinfo.cc (pinfo::exit): Call sigproc_terminate with new exit_state value.
* sigproc.cc (proc_terminate): Remove unnecessary (void) parameter.
(sigproc_terminate): Ditto. Add new argument to accept exit state to be set.
(wait_sig): Reorganize __SIGEXIT handling. Add more debugging output.
* winsup.h (sigproc_terminate): Declare with new exit_state argument.
(exit_states): Reorganize to reflect new exit ordering of sigproc_terminate.
appropriately.
* pinfo.cc (pinfo::exit): Always call sigproc_terminate here. Rely on
sigproc_terminate to signal signal thread to handle eventual process exit.
* sigproc.cc (no_signals_available): Change criteria for determining if this
process can handle signals to itself.
(my_sendsig): New variable. Copy of my sendsig handle.
(proc_can_be_signalled): Don't send signals if exit code is set.
(sigproc_terminate): Use and set exit_state appropriately to determine when to
do anything. Send __SIGEXIT to self to control process exit.
(sig_send): Use my_sendsig for sending signals. Don't call
proc_can_be_signalled for myself since the criteria is now different for
sending signals to myself.
(wait_sig): Copy myself->sendsig to my_sendsig for future use. Exit signal
loop when __SIGEXIT is received. Wait for main thread to exit and use its exit
status to actually exit process.
* sigproc.h (__SIGEXIT): New enum.
* dcrt0.cc (alloc_stack): Eliminate superfluous "return;".
* debug.cc (add_handle): Ditto.
* devices.in (device::parse): Ditto.
* dtable.cc (dtable::vfork_parent_restore): Ditto.
(dtable::vfork_child_fixup): Ditto.
* environ.cc (parse_options): Ditto.
* errno.cc (seterrno_from_win_error): Ditto.
* exceptions.cc (sig_handle_tty_stop): Ditto.
(set_signal_mask): Ditto.
* fhandler.cc (fhandler_base::read): Ditto.
(fhandler_base::operator delete): Ditto.
(fhandler_base::seekdir): Ditto.
(fhandler_base::rewinddir): Ditto.
* fhandler_console.cc (fhandler_console::read): Ditto.
(fhandler_console::fixup_after_exec): Ditto.
* sigproc.cc (sigproc_init): Ditto.
(sigproc_terminate): Ditto.
* devices.cc: Regenerate.
(dll_crt0_0): Move console initialization earlier.
* init.cc (dll_entry): Move console initialization here.
* exceptions.cc (init_console_handler): Fully remove any old console handler.
* spawn.cc (spawn_guts): Don't fill out windows argv if we've deduced that this
is a cygwin-using program.
(av::fixup): Always check executables to see if they are using cygwin1.dll.
Don't consider .com files to be scripts.
* hookapi.cc (rvadelta): New function.
(PEHeaderFromHModule): Simplify slightly.
(hook_or_detect_cygwin): Use passed in name argument for "HMODULE" rather than
incorrectly reading current program. Calculate delta needed to read image data
and file names if this isn't a real "HMODULE".
* fhandler_tty.cc (fhandler_tty_common::close): Rearrange the code so that the
master end of the input and output pipes is closed before signalling an EOF
event to the slave.
(fhandler_pty_master::close): Likewise.
* cygheap.cc (cmalloc): Only emit system_printf warnings on failure if
DEBUGGING.
(crealloc): Ditto.
(ccalloc): Ditto.
* dtable.cc (build_fh_name): Treat NULL return from cnew as indicative of
EMFILE condition.
(build_fh_dev): Ditto.
(dtable::dup_worker): Handle NULL return from build_fh_pc.
(dtable::vfork_child_dup): Trust dup_worker to set errno.
* fhandler.h (fhandler_base::new): Mark as nothrow.
* fhandler.cc (fhandler_base::raw_read): Ditto for debug message.
* dcrt0.cc (do_exit): Add some more synchronization tests.
* fhandler_fifo.cc (fhandler_fifo::dup): Don't duplicate a nonexistent handle.
Use derived return value rather than always retuning 0.
* fhandler_netdrive.cc (fhandler_netdrive::exists): Wnet -> WNet.
* winsup.h (exit_states): Add a couple of new exit states.
(child_info::dwProcessId): New field.
* cygheap.cc (init_cheap): Delete.
(dup_now): Ditto.
(cygheap_setup_for_child): Ditto.
(cygheap_setup_for_child_cleanup): Ditto.
(cygheap_fixup_in_child): Simplify. Use new "child_copy" function to copy heap
from parent.
(_csbrk): Don't attempt allocation if within cygheap section. Fix so that more
than one allocation will succeed.
(cygheap_init): Reset possibly-nonzero region to zero.
* cygheap.h (cygheap_setup_for_child): Delete declaration.
(cygheap_setup_for_child_cleanup): Ditto.
(cygheap_start): Define as an array.
* cygwin.sc: Modernize. Remove unneeded sections. Define cygheap here.
* dcrt0.cc (do_exit): Reflect argument change to close_all_files.
* dtable.cc (dtable::vfork_parent_restore): Ditto.
* dtable.h: Ditto.
* fhandler.h: Ditto.
* fork.cc (fork_copy): Call ReadProcessMemory if there is no thread
(indicating that we're execing).
(fork_child): Don't mess with hParent.
(fork_parent): Remove hParent stuff. It happens earlier now. Remove call to
cygheap_setup_for_child* stuff.
(fork): Put child_info_stuff in grouped structure. Issue error if parent
handle is not set.
(child_copy): New function.
* sigproc.cc (child_info::child_info): Put cygheap settings here. Set parent
handle.
(child_info::~child_info): Close parent handle if it exists.
* spawn.cc (spawn_guts): Reorganize so that ciresrv is allocated at only the
last minute so that cygheap changes are reflected. Delete cygheap_setup*
calls.
* syscalls.cc (close_all_files): Add an argument to flag when the fd entry
should be released.
* winsup.h (close_all_files): Add an argument to close_all_files declaration.
Declare child_copy.
(__main): Don't rely on atexit to run dtors.
(do_exit): Specifically call do_global_dtors here.
(cygwin_exit): Ditto.
* dll_init.cc (dll_global_dtors): Make global. Only run dtors once.
(dll_list::init): Just set flag that dtors should be run. Don't rely on
atexit.
* dll_init.h (dll_global_dtors): Declare.
* exceptions.cc (sigrelse): Define.
* path.h (is_fs_device): New method.
(is_lnk_special): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::link): Use "is_lnk_special" rather
than "is_lnk_symlink".
* syscalls.cc (rename): Ditto.
* hookapi.cc (ld_preload): Use colon as a separator rather than space.
* fhandler.h (enum change_state): Add.
(fhandler_base::status): Add a bit to has_changed flag.
(fhandler_base::has_changed): Implement with type change_state.
* fhandler.cc (fhandler_base::raw_write): Accomodate type change
of has_changed.
* fhandler_disk_file.cc )fhandler_disk_file::touch_ctime): Also
touch modification time if has_changed == data_changed.
(fhandler_disk_file::fchmod): Also open on 9x, otherwise we can't
touch ctime. Accomodate type change of has_changed.
(fhandler_disk_file::fchown): Accomodate type change of has_changed.
(fhandler_disk_file::facl): Ditto.
(fhandler_disk_file::ftruncate): Ditto.
(fhandler_disk_file::link): Ditto.
(fhandler_base::open_fs): Ditto.
* cygheap.h (cygheap_user::curr_primary_token): New member.
(cygheap_user::primary_token): New method.
(cygheap_user::deimpersonate): Always revert to processes'
impersonation token.
(cygheap_user::reimpersonate): Set processes' or setuid token as
necessary.
(cygheap_user::has_impersonation_tokens): Look for curr_primary_token
value.
(cygheap_user::close_impersonation_tokens): Close curr_primary_token
here if necessary. Don't reset token values to NO_IMPERSONATION since
that's done in uinfo_init anyway.
(init_cygheap::luid): New LUID array keeping privilege LUIDs.
* cygtls.cc (_cygtls::init_thread): Call cygheap->user.reimpersonate.
* dcrt0.cc (hProcToken): New global variable to keep process token.
(hProcImpToken): Ditto for process impersonation token.
(dll_crt0_0): Open process token here once. Duplicate to create
hProcImpToken.
(dll_crt0_1): Call set_cygwin_privileges.
* environ.cc (allow_ntea): Drop duplicate declaration.
(allow_smbntsec): Ditto.
(set_traverse): Only set allow_traverse here.
(environ_init): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Drop call to
enable_restore_privilege.
(fhandler_disk_file::fchown): Ditto.
(fhandler_disk_file::facl): Ditto.
* fork.cc (fork_child): Move call to cygheap->user.reimpersonate after
syn with parent. Call set_cygwin_privileges.
* grp.cc (internal_getgroups): Use hProcImpToken instead of opening
process token.
* path.cc (fs_info::update): Bypass traverse checking when retrieving
volume information using push/pop_thread_privileges.
* registry.cc (load_registry_hive): Drop setting restore privilege
since it's already set if available.
* sec_helper.cc: Include cygtls.h.
(cygpriv): Privilege string array.
(privilege_luid): New function, evaluate LUID from cygpriv_idx.
(privilege_luid_by_name): New function, evaluate LUID from privilege
string.
(privilege_name): New function, evaluate privilege string from
cygpriv_idx.
(set_privilege): New static function called by set_process_privilege
and set_thread_privilege. Call privilege_luid to get privilege LUID.
Fix bug in return value evaluation. Improve debug output.
(set_cygwin_privileges): New function.
(set_process_privilege): Remove.
(enable_restore_privilege): Remove.
* security.cc (allow_traverse): New global variable.
(sys_privs): Change type to cygpriv_idx and store privilege indices
instead of strings.
(SYSTEM_PRIVILEGES_COUNT): Renamed from SYSTEM_PERMISSION_COUNT.
(get_system_priv_list): Don't use numerical constant in malloc call.
Use privilege_luid to get privilege LUIDs.
(get_priv_list): Call privilege_luid_by_name to get LUIDs. Improve
inner privilege LUID comparison loop.
(create_token): Enable create token privilege using
push/pop_self_privileges. Use hProcToken instead of opening process
token. Use default DACL when duplicating token.
(subauth): Enable tcb privilege using push/pop_self_privileges.
Use sec_none instead of homw made security attributes when duplicating
token.
(check_file_access): Don't duplicate access token, use active
impersonation token as is.
* security.h (enum cygpriv_idx): New enumeration type enumerating
possible privileges.
(privilege_luid): Declare new function.
(privilege_luid_by_name): Ditto.
(privilege_name): Ditto.
(allow_traverse): Declare.
(set_privilege): Declare function.
(set_process_privilege): Define as macro.
(enable_restore_privilege): Remove declaration.
(_push_thread_privilege): Define macro.
(push_thread_privilege): Ditto.
(pop_thread_privilege): Ditto.
(pop_self_privilege): Ditto.
* spawn.cc (spawn_guts): Use cygheap->user.primary_token instead of
cygheap->user.token.
* syscalls.cc (statvfs): Bypass traverse checking when retrieving
volume information using push/pop_thread_privileges. Rearrange code
to simplify push/pop bracketing.
(seteuid32): Use hProcToken instead of opening process token. Call
cygheap->user.deimpersonate instead of RevertToSelf. Create
impersonation token from primary internal or external token. Set
cygheap->user.curr_primary_token and cygheap->user.current_token
privileges once here. Drop "failed" and "failed_ptok" labels.
Drop setting DefaultDacl of process token.
(setegid32): Use hProcToken and hProcImpToken instead of opening
process token. Always reimpersonate afterwards.
* uinfo.cc (cygheap_user::init): Use hProcToken instead of opening
process token.
(internal_getlogin): Ditto. Set hProcImpToken, too.
(uinfo_init): Initialize cygheap->user.curr_primary_token.
* winsup.h (hProcToken): Declare.
(hProcImpToken): Declare.
* sync.h (locker): New, currently unused class.
(muto::init): Eliminate.
* sync.cc (muto::init): Ditto.
(muto::init): Eliminate critical section lock and instead use name as a guard
to prevent against multiple attempts to initialize the same muto.
* pinfo.cc (pinfo::init): Set myself procinfo when not execing and pid matches
windows pid or cygwin pid.
(pinfo::exit): Move here from _pinfo::exit.
* sigproc.cc (child_info::sync): Use new function to set exitcode and
process_state.
* pinfo.cc (_pinfo::exit): Ditto.
(proc_waiter): Ditto.
(_pinfo::set_exit_state): Define new function.
(_pinfo::dup_proc_pipe): Close handle when there is no parent process around to
care about the exit value.
* dcrt0.cc (dll_crt0_0): Move subproc_ready synchronization later to make sure
that myself is still mapped in parent.
(do_exit): Reflect movement to pinfo::exit.
(__api_fatal): Ditto.
* exceptions.cc (signal_exit): Ditto.
* errno.cc (errmap): Map PROC_NOT_FOUND.
* init.cc (dll_entry): Release myself before exiting.
* sigproc.cc (proc_can_be_signalled): Set errno appropriately.
(sig_send): Ditto. Also remove ill-advised test for !myself->sendsig since
this is an indication of a process which is still initializating -- it is not
an error.
(child_info::sync): Don't set exitcode here. Assume that will happen in
proc_waiter, if necessary.
* spawn.cc (spawn_guts): Delay "wait_for_myself" logic until later. Don't wait
at all if the process has already exited. Reflect movement to pinfo::exit.
talk about a "version" when it's not a version.
(dll_crt0_0): Change info passed to multiple_cygwin_problem to be a little more
precise.
* shared.cc (user_shared_initialize): Ditto.
(shared_info::initialize): Ditto.
(proc_subproc): Don't mess with pinfo if it's myself.
* child_info.h (child_info_types): Label enum for _PROC constants.
(child_info::child_info): New constructor.
(child_info::~child_info): New destructor.
(child_info::sync): Declare new function.
(child_info_fork::child_info_fork): New constructor.
(child_info_spawn::child_info_spawn): Remove old constructor.
(child_info_spawn::child_info_spawn): New constructor.
* dcrt0.cc (dll_crt0_0): Use correct sizeof when doing sanity check on passed
in child_info. Signal readiness to parent when not forking (and not spawning).
* fork.cc (sync_with_child): Delete.
(resume_child): Remove extra argument.
(sync_with_parent): Use child_info method to sync with parent.
(fork_child): Don't close fork_info->subproc_ready since that is now handled by
the destructor.
(fork_parent): Remove subproc_ready stuff. Use child_info sync method for
waiting.. Set start time here for child. Rename "forked" to "child".
(fork): Check ch.subproc_ready for validity here.
* pinfo.h (_pinfo::exec_sendsig): Temp storage for exec stub which may be
staying around to handle non-cygwin captive process.
(_pinfo::exec_dwProcessId): Ditto.
(_pinfo::_lock): Renamed from lock.
(_pinfo::lock): New method.
(_pinfo::unlock): Ditto.
(_pinfo::initialize_lock): Ditto.
* pinfo.cc (set_myself): Use initialize_lock method to initialize myself lock.
Set "exec" fields in _pinfo to zero to indicate that we've started
successfully. Set start time here when appropriate.
(_pinfo::commune_send): Use pinfo lock/unlock methods.
(proc_waiter): Remove special case for non-cywin processes. Reinstitute
handling for PID_NOCLDSTOP.
* sigproc.cc (proc_subproc): Set proper EAGAIN errno when process table is
filled.
(sig_send): Use exec_* fields from _pinfo for sending signals if the the _pinfo
sendsig never materializes.
(child_info::child_info): New constructor, renamed from init_child_info.
Zeroes child_info structure and sets appropriate fields in structure based on
chtype.
(child_info::~child_info): New destructor. Closes subproc_ready if it exists.
(child_info_fork::child_info_fork): New constructor.
(child_info_spawn::child_info_spawn): New constructor.
(child_info::ready): New function. Signals parent when child is ready.
(child_info::sync): New function. Wait for child to signal us or process to
die.
(remove_proc): Remove closing of hProcess since this should now be handled
shortly after process creation.
* spawn.cc (spawn_guts): Use child_info_spawn constructor rather than
init_child_info. Save exec_sendsig and exec_dwProcessId in execing _pinfo.
Rely on child_info constructor to properly set parent_wr_proc_pipe in ciresrv.
Revert to previous determination on whether to start a process in suspended
mode. Remove reparenting stuff. Just keep a stub around if starting a
non-cygwin process.
* dcrt0.cc (dll_crt0_0): Remove hexec_proc stuff.
* fork.cc (fork_child): Remove call to pinfo_fixup_after_fork.
* pinfo.cc (set_myself): Close and zero pid_handle if set.
(pinfo_fixup_after_fork): Delete.
(proc_waiter): Don't close vchild.hProcess here. Do that when we are remove
the vchild from procs. Save hProcess as pid_handle only on first reparent
operation.
(pinfo::wait): Don't set pid_handle here.
(pinfo::alert_parent): Always try to send signal. If unsuccessful then close
and zero wr_proc_pipe.
* pinfo.h (pinfo::pinfo): Make sure that appropriate parts of the class are
zeroed on construction.
(pinfo::alert_parent): Take char argument.
(pinfo_fixup_after_fork): Delete declaration.
(hexec_proc): Ditto.
* sigproc.cc (remove_proc): Close pid_handle and hProcess if appropriate.
* spawn.cc (spawn_guts): Set cygheap->pid_handle on first exec.
* cygheap.h (init_cygheap::pid_handle): New element.
* pinfo.cc (set_myself): Clear previously existing cygheap->pid_handle when a
new process has been started.
(pinfo::wait): Make sure that a handle to the newly forked/spawned process is
kept around so that the pid will not be reused.
* pinfo.h (_pinfo::pid_handle): Move.
(pinfo::pid_handle): to here.
* spawn.cc (spawn_guts): Create a pid_handle in cygheap prior to spawning to
ensure that the pid does not get reused during the lifetime of the "cygwin
pid".
* pinfo.h (pinfo::alert_parent): New function.
* exceptions.cc (sig_handle_tty_stop): Use alert_parent to send "signals" to
parent.
* fork.cc (fork_parent): Don't close pi.hProcess. Let the waiter thread do
that.
* pinfo.cc (proc_waiter): Detect case where process exits without setting the
exit code and use value from GetExitCodeProcess. Reluctantly implement
__SIGREPARENT.
(pinfo::alert_parent): Define.
* sigproc.h (__SIGREPARENT): New enum.
* spawn.cc (spawn_guts): Send reparent signal to parent on exec. Always create
process in suspended state to avoid races. Remove cygthread.h in favor of
cygtls.h throughout since cygtls now includes cygthread.h. Eliminate
ppid_handle usage throughout.
* child_info.h: Regenerate magic number
(child_info): Remove pppid_handle.
* cygthread.h (cygthread::release): New method. Frees thread without waiting.
* cygthread.cc (cygthread::stub): Set _ctinfo in _mytls to point to information
for executing thread. Don't call SetEvent if thread is no longer in use.
(cygthread::simplestub): Ditto.
* cygtls.h (_cygtls::_ctinfo): New element contains pointer to information
about executing cygthread, if any.
* dcrt0.cc: Remove last vestiges of per_thread stuff.
(dll_crt0_0): Ditto. Remove accommodation for ppid_handle.
(do_exit): Remove obsolete reparenting test.
(_exit): Exit with a more SUSv3-like exit value.
* dtable.cc (dtable::stdio_init): Check for myself->cygstarted rather than
myself->ppid_handle to see if we were started by a cygwin process.
* exceptions.cc (open_stackdumpfile): Ditto.
(handle_exceptions): Ditto.
(ctrl_c_handler): Ditto.
(sig_handle_tty_stop): Ditto. Let parent send signal to itself on STOP.
(sigpacket::process): Comment out vfork test.
(signal_exit): Use more SUSv3-like exit value on signal.
* external.cc (fillout_pinfo): Don't set hProcess.
* fork.cc: Remove VFORK cruft.
(per_thread::set): Delete.
(fork_child): Remove perthread stuff.
(fork_parent): Remove obsolete subproc_init. Accommodate new method for
tracking subprocesses.
* pinfo.cc (set_myself): Accommodate new pinfo/_pinfo layout. Set some things
here that used to be set in wait_sig.
(_pinfo::exit): Set exitcode here. Close process pipe.
(_pinfo::commune_send): Accommodeate new pinfo/_pinfo layout.
(proc_waiter): New function. Waits, in a thread for subprocess to go away.
(pinfo::wait): New function. Initialization for proc_waiter.
* pinfo.h (_pinfo::exitcode): New element.
(_pinfo::cygstarted): Ditto.
(_pinfo::wr_proc_pipe): Ditto.
(_pinfo::ppid_handle): Delete.
(_pinfo::hProcess): Delete.
(_pinfo::lock): Delete.
(pinfo::hProcess): New element.
(pinfo::lock): Ditto.
(pinfo::wait): Declare new function.
(pinfo::preserve): Define new function.
* sigproc.cc: Remove old stuff from wait_subproc thread based method.
(zombies): Remove.
(procs): New.
(my_parent_is_alive): Just check that the parent pid exists.
(mychild): Just use pinfo methods to determine if child is mine.
(proc_subproc): Revamp PROC_ADDCHILD to use pinfo::wait. Remove
PROC_CHILDTERMINATED logic. Use different method to remove processes from list
when SIGCHLD == SIG_IGN.
(proc_terminate): Gut.
(subproc_init): Delete.
(init_child_info): Remove setting of pppid_handle.
(checkstate): Revamp to only scan procs array.
(remove_proc): Rename from remove_zombie. Don't close hProcess or pid_handle.
Don't release memory if it's myself.
(stopped_or_terminated): Change logic to handle new consolidated proc/zombie
array.
(wait_subproc): Delete.
* sigproc.h: Remove obsolete EXIT_* defines.
(subproc_init): Remove declaration.
* spawn.cc (spawn_guts): Remove reparenting stuff. Use standard wait logic to
wait for child if started from a non-cygwin process.
* tlsoffsets.h: Regenerate.
* tty.cc (tty_init): Check for myself->cygstarted rather than
myself->ppid_handle to see if we were started by a cygwin process.
* include/sys/signal.h (external_pinfo::exitcode): Replace hProcess.
* include/sys/wait.h (WCOREDUMP): Define.
* fhandler_tty.cc (fhandler_tty_slave::read): Add debugging output for timeout
case.
* signal.cc (abort): Flag that we are exiting with the ABORT signal.
starting.
* child_info.h (init_child_info): Remove pid argument from declaration.
* cygheap.h (init_cygheap::pid): New element.
* dcrt0.cc (dll_crt0_0): Eliminate handling of now-noexistent cygpid parameter
in child_info struct. Set forkee to 'true' rather than cygpid since the pid
value was never used.
(dll_crt0_1): Ditto.
(_dll_crt0): Ditto.
* fork.cc (fork_child): Don't wait for sigthread. This is handled in the fork
call now.
(fork_parent): Remove obsolete pid argument from init_child_info call. Don't
do anything special with cygpid when DEBUGGING.
(fork): Delay all signals during fork.
(fork_init): Don't do anything special when DEBUGGING.
* pinfo.cc (set_myself): Remove pid parameter. Use new pid field in cygheap.
(pinfo_init): Don't pass pid argument to set_myself.
* sigproc.cc (sig_send): Wait for dwProcessId to be non-zero as well as
sendsig.
(init_child_info): Eliminate handling of pid.
(wait_sig): Implement method to temporarily hold off sending signals.
* sigproc.h (__SIGHOLD): New enum.
(__SIGNOHOLD): Ditto.
* spawn.cc (spawn_guts): Remove obsolete pid argument from init_child_info
call.
* pinfo.cc (pinfo::init): Don't consider MapViewOfFileEx error to be fatal if
exiting.
* pinfo.h (pinfo::init): Eliminate default argument and supply the argument in
the one case that needed it.
(_cygtls::wq): Declare.
* cygtls.cc (_cygtls::fixup_after_fork): Clear wq.thread_ev to avoid using an
invalid event handle in forked process.
* dcrt0.cc (waitq_storage): Delete.
(threadstuff): Remove waitq_storage.
* perthread.h (per_thread_waitq): Delete.
(waitq_storage): Delete declaration.
* sigproc.cc (sigproc_init): Remove perthread waitq consideration.
* sigproc.h (waitq): Delete declaration.
* wait.cc (wait4): Use _my_tls waitq structure rather than per_thread.
* cygtls.h (_cygtls::newmask): Delete member.
(_cygtls::deltamask): New member.
* gendef (_sigdelayed): Replace the call to set_process_mask by a call to
set_process_mask_delta.
* exceptions.cc (handle_sigsuspend): Do not filter tempmask. Or
SIG_NONMASKABLE in deltamask as a flag.
(_cygtls::interrupt_setup): Set deltamask only.
(set_process_mask_delta): New function.
(_cygtls::call_signal_handler): Replace the first call to set_process_mask by a
call to set_process_mask_delta.
* tlsoffsets.h: Regenerate.
a fork from a non-main thread.
* dcrt0.cc (initial_env): Eliminate parameter and just send DebugBreak when
appropriate.
(dll_crt0_0): Reflect parameter change to initial_env.
(dll_crt0_1): Don't call initial_env.
* cygtls.h (_cygtls::call_signal_handler): Rename from call_signal_handler_now.
(_cygtls::push): Make second argument mandatory.
(_cygtls::fixup_after_fork): Declare new function.
(_cygtls::lock): Ditto.
* cygtls.cc (_cygtls::fixup_after_fork): Define new function.
* dcrt0.cc (cygwin_finished_initializing): Define as bool.
(alloc_stack): Use _tlstop rather than arbitrary variable in probably vain
attempt to avoid strange fork problem on CTRL-C.
(dll_crt0_0): Remove obsolete winpids::init call.
* dll_init.cc (dll_dllcrt0): Detect forkee condition as equivalent to
initializing.
* winsup.h (cygwin_finished_initializing): Declare as bool.
* exceptions.cc (handle_exceptions): Rely on cygwin_finished_initializing to
determine how to handle exception during process startup.
(_cygtls::call_signal_handler): Rename from call_signal_handler_now.
(_cygtls::interrupt_now): Fill in second argument to push.
(signal_fixup_after_fork): Eliminate.
(setup_handler): Initialize locked to avoid potential inappropriate unlock.
Resume thread if it has acquired the stack lock.
(ctrl_c_handler): Just exit if ctrl-c is hit before cygiwn has finished
initializing.
* fork.cc (sync_with_child): Don't call abort since it can cause exit
deadlocks.
(sync_with_child): Change debugging output slightly.
(fork_child): Set cygwin_finished_initializing here. Call _cygtls fork fixup
and explicitly call sigproc_init.
(fork_parent): Release malloc lock on fork failure.
(vfork): Call signal handler via _my_tls.
* sigproc.cc (sig_send): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* signal.cc (nanosleep): Ditto.
(abort): Ditto.
(kill_pgrp): Avoid killing self if exiting.
* sync.cc (muto::acquire): Remove (temporarily?) ill-advised exiting_thread
check.
* gendef (_sigfe): Be more agressive in protecting stack pointer from other
access by signal thread.
(_cygtls::locked): Define new function.
(_sigbe): Ditto.
(_cygtls::pop): Protect edx.
(_cygtls::lock): Use guaranteed method to set eax to 1.
(longjmp): Aggressively protect signal stack.
* miscfuncs.cc (low_priority_sleep): Reduce "sleep time" for secs == 0.
* pinfo.cc (winpids::set): Counterintuitively use malloc's lock to protect
simultaneous access to the pids list since there are pathological conditions
which can cause malloc to call winpid.
(winpids::init): Eliminate.
* pinfo.h (winpids::cs): Eliminate declaration.
* pinfo.h (winpids::init): Eliminate definition.
(well_known_*_sid): Change type to cygpsid.
(cygsid::init): Delete declaration.
* sec_helper.cc (well_known_*_sid): Define using above SID macro.
(cygsid::init): Delete.
* dcrt0.cc (dll_crt0_0): Do not call cygsid::init.
* security.cc (get_user_local_groups): Change the second argument type
to cygpsid.
initialization.
* dcrt0.cc (initial_env): Can it really be true that XP doesn't allow attaching
a debugger during DLL attach? Add temporary workaround.
(dll_crt0_0): Ensure that _impure_ptr stdio is initialized before any threads.
(dll_crt0_1): Move _impure_ptr initialization to dll_crt0_0.
* exceptions.cc (try_to_debug): Reinstate old method for looping while
debugging.
* syscalls.cc (_cygwin_istext_for_stdio): Regularize debugging output. Remove
hopefully extraneous check.
(setmode_helper): Add debugging output for improbable case. Use "binary"
rather "raw" for consistency.
we're not closing what we think we're closing.
(sig_send): Improve debugging when exiting due to no_signals_available.
* wincap.h (wincaps::cant_debug_dll_entry): New element.
* wincap.cc: Implement above element throughout.
* dcrt0.cc (initial_env): Accommodate changes necessary to allow initial
debugging for systems which do not allow debugging in dll_entry.
(dll_crt0_0): Add initial_env call back here.
* Makefile.in (install-man): Use mandir as target for installation.
* include/cygwin/version.h: Bump DLL minor number to 7 (should have been done
earlier).
* cygwin.din: Make clock SIGFE. Add clock_gettime, sigwaitinfo, timer_create,
timer_delete, timer_settime.
* include/cygwin/version.h: Reflect above additions.
* fork.cc (fork_child): Call fixup_timers_after_fork.
* signal.cc (sigwait): Remove unused variable.
* timer.cc: New file.
(clock_gettime): Define new function.
(timer_tracker): Define new struct used by timer functions.
(timer_tracker::timer_tracker): New function.
(to_us): New function.
(timer_thread): New function.
(timer_tracker::settime): New function.
(timer_create): New function.
(timer_settime): New function.
(timer_delete): New function.
(fixup_timers_after_fork): New function.
* cygthread.cc: Bump thread count.
* signal.cc (sigwaitinfo): Define new function.
(sigwait): Redefine based on sigwaitinfo.
* include/cygwin/signal.h (sigwaitinfo): Declare.
(sigwait): Ditto.
* dtable.cc (dtable::vfork_parent_restore): Avoid double close of ctty when
ctty == ctty_on_hold.
* cygtls.h (_threadinfo::threadkill): New element.
(_threadinfo::set_threadkill): Declare new function.
(_threadinfo::reset_threadkill): Declare new function.
* dcrt0.cc (dcrt0_1): Call here so that it will be possible to attach to
running process with #(*& Windows Me/9x.
(initial_env): Try to initialize strace if uninitialized.
* gendef: Don't zero signal if threadkill is set since that will happen in the
called function.
* signal.cc (sigwait): Ensure cleanup in error conditions.
* sigproc.cc (sig_send): Clear packet mask storage.
(wait_subproc): Fill in child exit code in siginfo_t structure.
* thread.cc (pthread_kill): Set threadkill flag.
* tlsoffsets.h: Regenerate. Throughout, use siginfo_t to fill out all signal
information for "kernel" signals.
* cygtls.h (_threadinfo::set_siginfo): Declare new function.
* cygtls.cc (_threadinfo::set_siginfo): Define new function.
* dcrt0.cc (do_exit): Accommodate siginfo_t considerations.
* exceptions.cc (handle_exceptions): Ditto.
(sig_handle_tty_stop): Ditto.
(ctrl_c_handler): Use killsys() to send signal.
(sigpacket::process): Rename from sig_handle. Use siginfo_t field from
sigpacket for everything.
(tty_min::kill_pgrp): Accommodate siginfo_t considerations.
(fhandler_termios::bg_check): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::ioctl): Use killsys() to send signal.
* signal.cc (kill_worker): Rewrite to use siginfo_t second argument.
(kill_pgrp): Ditto.
(kill0): Define new function pulled from kill().
(kill): Rewrite as frontend to kill0.
(killsys): Define new function.
* sigproc.cc (sigelem): Eliminate.
(sigpacket): Move to sigproc.h. Subsume sigelem.
(pending_signals): Use sigpacket rather than sigelem for everything.
(sig_clear): Ditto.
(wait_sig): Ditto.
(sig_send): Rewrite to use siginfo_t argument.
(sig_send): New function wratpper to sig_send with siginfo_t argument.
(wait_subproc): Accommodate siginfo_t considerations.
* thread.cc (pthread_kill): Ditto.
* sigproc.h (sigpacket): Move here.
(sigpacket::process): Declare "new" function.
(sig_handle): Eliminate declaration.
(sig_send): Declare with new paramaters.
(killsys): Declare new function.
(kill_pgrp): Declare.
* winsup.h: Move some signal-specific stuff to sigproc.h.
* include/cygwin/signal.h: Tweak some siginfo_t stuff.
compiler bug.
* autoload.cc (TryEnterCriticalSection): Remove.
* dcrt0.cc (dll_crt0_0): Delete inappropriate setting of _my_tls.stackptr to
NULL since it has really bad consequences. Make 'si' an automatic variable.
* cygtls.cc (_threadinfo::init_thread): Correct thinko which caused thread list
to be allocated every time.
* cygtls.h (CYGTLS_PADSIZE): Define as const int.
* sync.h: Make multiple inclusion safe.
(muto::next): Eliminate.
(muto::exiting_thread): New variable.
(muto::set_exiting_thread): New function.
(new_muto): Change to use different section for mutos since c++ give
inexplicable warning in some cases otherwise.
(new_muto1): Ditto.
* dcrt0.cc (do_exit): Call muto::set_exiting_thread here.
* sync.cc (muto_start): Eliminate.
(muto::acquire): Always give exiting thread a lock. Never give thread a lock
if exiting.
(muto::release): Ditto for releasing.
* dtable.cc (dtable::init_lock): Unline function and define here.
* dtable.h (lock_cs): Define as a muto since critical sections seem to work
oddly on Windows Me.
(lock): Accommodate switch to muto.
(unlock): Ditto.
* exceptions.cc (setup_handler): Don't worry about acquiring mutos since that
hasn't mattered for a long time.
(signal_exit): Ditto: muto stuff will be handled automatically on exit now.
* Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL initialization.
* autoload.cc (RegCloseKey): Arbitrarily choose this function as a "seed" to
pull the advapi32 link library in. So, comment out the autoloading.
* cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE.
(_threadinfo::remove): Add debugging.
(_threadinfo::find_tls): Ditto.
* cygtls.h (_threadinfo::padding): Make zero length (for now?).
* dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1.
(dll_crt0_1): See above.
* dtable.h (dtable::lock): Remove commented out critical section locking.
* dtable.h (dtable::init_lock): Remove commented out critical section locking.
* dtable.h (dtable::unlock): Remove commented out critical section locking.
* exceptions.cc (interruptible): bool'ize.
* init.cc (threadfunc_fe): Revert to storing threadfunc at stack bottom.
(munge_threadfunc): Ditto. Avoid adding overhead to calibration_thread.
(prime_threads): Don't initialize tls stuff.
(dll_entry): Make minor change to initialization order.
* tlsoffsets.h: Regenerate.
* sigproc.cc (wait_sig): Add sanity check for end of process thread exit.
* select.h: Make minor formatting change.
* Makefile.in: Add still more -fomit-frame-pointer functions.
* dtable.h (dtable::lock): New function.
(dtable::unlock): New function.
(dtable::init_lock): New function.
* cygheap.h (HEAP_TLS): Declare new enum value.
(init_cygheap::threadlist): Declare new array.
(init_cygheap::sthreads): Declare new variable.
(cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock functions.
(cygheap_fdnew::cygheap_fdnew): Ditto.
(cygheap_fdget::cygheap_fdget): Ditto.
* dtable.cc (dtable_init): Initialize fdtab critical section.
(dtable::fixup_after_fork): Ditto.
(dtable::fixup_after_exec): Ditto.
(dtable::dup2): Use lock/unlock calls to protect access to fdtab.
(dtable::find_fifo): Ditto.
(dtable::fixup_before_fork): Ditto.
(dtable::fixup_before_exec): Ditto.
(dtable::set_file_pointers_for_exec): Ditto.
(dtable::vfork_child_dup): Ditto.
(dtable::vfork_parent_restore): Ditto.
* syscalls.cc (close_all_files): Ditto.
* sync.h (muto::acquired): Declare new function.
(new_muto1): Declare new macro used to specify name of muto storage.
* sync.cc (muto::acquired): Define new function.
* cygthread.cc (cygthread::stub): Remove signal chain removal call since it is
handled during initialization now.
* cygthread.cc (cygthread::simplestub): Remove signal chain removal call since
it is handled during initialization now.
* cygtls.cc (sentry): New class used for locking. Use throughout.
(_threadinfo::reset_exception): Don't pop stack.
(_threadinfo::find_tls): Move from exceptions.cc.
(_threadinfo::init_thread): Initialize array of threads rather than linked
list. Take second argument indicating thread function for this thread.
(_threadinfo::remove): Search thread array rather than linked list. Use sentry
to lock. Only unlock if we got the lock.
(_threadinfo::find_tls): Ditto for first two.
(handle_threadlist_exception): Handle exceptions when manipulating the thread
list in case of premature thread termination.
(_threadinfo::init_threadlist_exceptions): Ditto.
* cygtls.h (TLS_STACK_SIZE): Decrease size.
(_threadinfo::padding): Add element to avoid overwriting lower part of stack.
(_threadinfo::remove): Add a "wait" argument to control how long we wait for a
lock before removing.
* exceptions.cc (init_exception_handler): Make global. Take argument to
control exception handler being set.
(ctrl_c_handler): Wait forever when removing self from signal chain.
(_threadinfo::find_tls): Move to cygtls.cc.
(sig_handle): Reorganize detection for thread-specific signals.
* heap.cc (heap_init): Rework slightly. Make fatal error more verbose. Remove
malloc initialization since it can't happen during dll attach.
* init.cc (search_for): Move address to search for on stack here.
(threadfunc_ix): Ditto for stack offset. Make shared so that stack walk
potentially only has to be done once when cygwin processes are running.
(threadfunc_fe): Use standard tls to store thread function (may change back
later).
(calibration_thread): New function. Potentially called to find threadfunc_ix.
(munge_threadfunc): Search for "search_for" value on stack. Output warning
when thread func not found on stack. Use standard tls to store thread
function.
(prime_threads): New function. Called to prime thread front end.
(dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH. Call prime_threads
here. Try to remove thread from signal list here.
* sigproc.cc (wait_sig): Initialize threadlist exception stuff here.
* thread.cc (pthread::exit): Pass argument to signal list remove function.
* thread.h: Remove obsolete *ResourceLock defines.
* tlsoffsets.h: Regenerate.
* winsup.h (spf): Define temporary debug macro to be deleted later.
* dcrt0.cc (dll_crt0_0): New function, called during DLL initialization.
Mainly consists of code pulled from dll_crt0_1.
(dll_crt0_1): See above.
(_dll_crt0): Wait for initial calibration thread to complete, if appropriate.
Move some stuff to dll_crt0_0.
(initialize_main_tls): Accommodate argument change to
_thread_info::init_thread.
* fork.cc (fork_child): Ditto.
(sync_with_child): Fix debug message.
* external.cc (cygwin_internal): Remove special considerations for
uninitialized dll since initialization happens during dll attach now.
* dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls.
(dlclose): Ditto.
* cygheap.h (init_cygheap::close_ctty): Declare new function.
* cygheap.cc (init_cygheap::close_ctty): Define new function.
* syscalls.cc (close_all_files): Use close_ctty.
(setsid): Ditto.
* cygthread.cc (cygthread::stub): Remove exception initialization.
* cygthread.cc (cygthread::stub): Remove exception initialization.
(cygthread::simplestub): Ditto.
* thread.cc (pthread::thread_init_wrapper): Ditto.
* cygtls.cc (_last_thread): Make static.
(_threadinfo::call2): Initialize exception handler here.
(_threadinfo::find_tls): Move here.
* exceptions.cc (_threadinfo::find_tls): Move.
* dcrt0.cc (__api_fatal): Add prefix info to message here rather than including
it in every call to function.
* winsup.h (api_fatal): Accommodate above change.
* debug.cc (add_handle): Don't do anything if cygheap not around.
(mark_closed): Ditto.
* dll_init.cc (dll_list::detach): Fix debug output.
* fork.cc (sync_with_child): Ditto.
(vfork): Improve debug output.
* heap.cc (heap_init): Ditto.
* exceptions.cc (try_to_debug): Clarify message when debugger attaches.
and open_fhs_on_hold (back) here.
* dcrt0.cc (_dll_crt0): Just set impure_ptr_ptr here and let later
initialization deal with tls.
* dtable.cc (dtable::vfork_child_fixup): Move ctty considerations here.
(dtable:vfork_parent_restore): And here.
* fork.cc (vfork): Reflect change to ctty handling.
* perthread.h (vfork_save::fhctty): Eliminate.
* cygwin.din: Make more exports NOSIGFE that will never be interrupted by a
signal.
* init.cc (dll_entry): Set stackptr to NULL to catch problems earlier.
(__cygwin_user_data::impure_ptr): Ditto.
(_dll_crt0): Reluctantly initialize _impure_ptr here.
(initialize_main_tls): Eliminate local_clib initialization since it now happens
in init_thread.
* init.cc (dll_entry): Reluctantly remove code which set _impure_ptr to the
main thread's local_clib.
* perthread.h (reent_data): Remove obsolete declaration.
* sigproc.cc (proc_subproc): Add more debugging output.
(get_proc_lock): Ditto.
*dcrt0.cc (dll_crt0_1): Allocate argv[0] via malloc since main thread could
exit.
calculated mask in debugging output.
* sigproc.h (set_signal_mask): Reflect above change in declaration.
* path.cc (mount_item::build_win32): Take path apart before feeding it to
fnmunge. Throughout, change use of _reent_winsup()-> to _my_tls.locals.
instead. Throughout, remove obsolete MT_SAFE/_CYG_THREAD_FAILSAFE
considerations. Througout, add cygtls.h include.
* Makefile.in (DLL_OFILES): Add cygtls.o. Add some more objects to the
-fomit-frame-pointer list.
* acconfig.h: Remove obsolete settings.
* config.h.in: Ditto.
* bsdlib.cc: Add cygtls.h include.
* configure.in: Remove --enable-extra-threadsafe-checking.
* configure: Regenerate.
* cygtls.h (_local_storage): New struct renamed from _winsup_t (sic).
(_threadinfo:local_clib): Add new field.
(_threadinfo::locals): Ditto.
(_threadinfo::init_thread): Accept second _reent * argument.
(_threadinfo::call): Define as regparm.
(CYGTLS_PADSIZE): Remove unnecessary slop.
(_getreent): Define as a macro.
* thread.h: Remove _CYG_THREAD_FAILSAFE and MT_SAFE stuff.
(_winsup_t): Move to cygtls.h.
(ResourceLocks::ResourceLocks): Eliminate empty constructor.
(MTinterface::reents): Eliminate.
(MTinterface::thread_self_key): Eliminate.
(MTinterface::MTinterface): Eliminate.
* dcrt0.cc: Include stdio.h for _impure_ptr initialization.
(do_global_ctors): Remove run_ctors_p (sic) considerations. Don't call atexit
here.
(__main): Initialize destructors for user here.
(dll_crt0_1): Accept a dummy argument. Don't call init_thread here. Don't set
_impure_ptr here. Call do_global_ctors after more things have been
initialized.
(_dll_crt0): Define zeros buffer as max of needed size of CYGTLS_PADSIZE so
that it can be used for two purposes while minimizing stack usage. Initialize
_impure_ptr specifically, for speed. Call dll_crt0_1 with buffer argument.
(cygwin_dll_init): Call dll_crt0_1 with dummy argument.
* dtable.cc (dtable::find_unused_handle): Remove call to AssertResourceOwner.
* exceptions.cc: Move _threadinfo stuff to new file.
* cygtls.cc: New file.
* gentls_offsets: Accommodate increasing complexity of cygtls.h.
* hires.h (hires_base::~hires_base): Remove.
* init.cc (dll_entry): Remove setting of reents.
* thread.cc: Remove syslog.h include.
(__getreent): Simplify to use _my_tls.
(_reent_winsup): Delete.
(AssertResourceOwner): Delete.
(MTinterface::Init): Remove setting of _clib and _winsup, with all that
entails.
(MTinterface::fixup_after_fork): Ditto.
(pthread::thread_init_wrapper): Ditto. Also remove call to
set_tls_self_pointer.
(pthread::set_tls_self_pointer): Eliminate.
(pthread::get_tls_self_pointer): Just return _my_tls.tid;
(__reent_t::init_clib): Eliminate.
* tlsoffsets.h: Regenerate.
cygthread::stub2. Just return from function now since ExitThread is guaranteed
by automatic _threadinfo wrapper. Define as per ThreadProc convention.
(cygthread::stub2): Remove.
(cygthread::simplestub): Perform similar operations to cygthread::stub.
(cygthread::simplestub2): Remove.
* cygthread.h (cygthread::stub): Declare as per ThreadProc convention.
(cygthread::stub2): Remove declaration.
(cygthread::simplestub): Declare as per ThreadProc convention.
(cygthread::simplestub2): Remove declaration.
* cygtls.h (_threadinfo::call): Define first argument as per ThreadProc
convention.
(_threadinfo::call2): Ditto.
(_tlsbase): Define as char * pointer.
(_tlstop): New definition.
(_main_tls): Define here.
* dcrt0.cc (alloc_stack): Revert previous change which called init_thread since
information would be overwritten by fork later anyway.
(dll_crt0_1): Use _tlsbase and _tlstop for setting stack bottom, top.
* exceptions.cc: Move _main_tls declaration to cygtls.h.
(_threadinfo::call): Define first argument as per ThreadProc convention.
(_threadinfo::call2): Call ExitThread with thread function return value.
(_threadinfo::init_thread): Don't initialize cygtls to zero if input arg is
NULL.
* fork.cc (fork_child): Reset _main_tls here. Reinitialize parts of _my_tls
after copying data from parent.
* init.cc (threadfunc_fe): New function. Front-end for all threads created in
cygwin processes.
(munge_threadfunc): New function.
(dll_entry): Call munge_threadfunc to force the call of a thread wrapper.
* thread.cc (pthread::thread_init_wrapper): Perform similar operations to
cygthread::stub.
(pthread::thread_init_wrapper2): Remove.
* thread.h (pthread::thread_init_wrapper): Declare as per ThreadProc
convention.
(pthread::thread_init_wrapper2): Remove declaration.
* window.cc (Winmain): Just return from function now since ExitThread is
guaranteed by automatic _threadinfo wrapper.
if duping the current ctty.
(fhandler_tty_common::close): Move debugging statement earlier in function.
(fhandler_tty_slave::close): Return success when closing ctty.
* syscalls.cc (close_all_files): Avoid calling fhandler_tty_slave close method
so that open_fhs will not be decremented when closing cygheap ctty.
(setsid): Ditto.
* dcrt0.cc (do_exit): Reorganize to avoid leaving a critical section active
after vfork.
* fhandler.h (fhandler_tty_slave::get_unit): Remove regparm parameter since it
can't work in a virtualized function.
throughout.
* tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit
some comments.
* cygheap.h (init_cygheap::ctty): Add new element.
* devices.in (device::parse): Remove special handling for /dev/tty.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Don't reset /dev/tty device. Let the device opener
do that.
* fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting
noninherit flag for ctty.
* tty.h: Move BOOLs to bools.
(tty_min::set_ctty): Redeclare to _pinfo class.
* pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty.
Change first argument from tty number to tty_min class.
* pinfo.h (_pinfo::set_ctty): Declare.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of
set_ctty to _pinfo class.
* fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially. Use
saved cygheap value if it exists. Otherwise convert to real device and save on
first time open.
(fhandler_tty_common::dup): Potentially set controlling tty if duping a slave
tty.
* syscalls.cc (setsid): Close controlling tty in cygheap.
* tty.cc: Change some BOOLs to bools.
(_threadinfo::init_thread): Rename from 'init'.
(_threadinfo::init): Declare new function.
(_threadinfo::protect_linked_list): Declare new critical section.
* dcrt0.cc (dll_crt0_1): Call init_thread to initialize thread stuff.
(_dll_crt0): Call _threadinfo::init prior to invoking dll_crt0_1.
* exceptions.cc (_threadinfo::init_thread): Rename from 'init'.
(_threadinfo::init): Define new function. Protect linked list manipulation
with new critical section.
(_threadinfo::call): Reflect function name change.
(_threadinfo::remove): Protect linked list manipulation with new critical
section
* gentls_offsets: Rework to allow multi-line "don't parse this" protection.
* init.cc (dll_entry): Don't remove threads info stuff here since the remove
function uses a critical section which can't be used during thread creation or
destruction.
* thread.cc (pthread::exit): Call _threadinfo remove function here.
* Makefile.in (DLL_OFILES): Add sigfe.o. Remove reliance on cygwin.def from
cygwin0.dll dependency since dependence on sigfe.o implies that. Generate def
file on the fly using 'gendef'.
* configure.in: Don't auto-generate cygwin.def.
* configure: Regenerate.
* cygwin.din: Add SIGFE stuff where appropriate.
* dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup. Set
_main_tls to address of the main thread's cygwin tls.
* debug.h: Remove now unneeded WFSO and WFMO declarations.
* exceptions.cc (_last_thread): Define.
(set_thread_state_for_signals): New function.
(reset_thread_exception_for_signals): Ditto.
(init_thread_for_signals): Ditto.
(delete_thread_for_signals): Ditto.
(capture_thread_for_signals): Ditto.
(handle_exceptions): Set return address explicitly for exceptions prior to
calling sig_send.
(interrupt_on_return): Eliminate.
(setup_handler): Add preliminary implementation for dealing with
thread-specific signals by querying _main_tls.
(signal_exit): Use cygthread::main_thread_id instead of mainthread.id.
(call_signal_handler_now): For now, just handle the main thread.
* fork.cc (vfork): Save and restore main _my_tls.
* gendef: New file. Generates def file and sigfe.s file.
* gentls_offsets: New file. Generates offsets for perl to use in sigfe.s.
* how-signals-work.txt: Mention that info is obsolete.
* init.cc (dll_entry): Initialize cygwin tls storage here.
* miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from
asm.
* perthread.h (vfork_save::tls): New element.
* signal.cc (nanosleep): Replace previous use of
sigframe.call_signal_handler_now with straight call to call_signal_handler_now.
(abort): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* sigproc.cc (sig_dispatch_pending): Ditto.
(sig_send): Ditto.
* sigproc.h: Declare call_signal_handler_now.
* thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls. Remove
obsolete and unworking signal stuff.
* thread.h (verifyable_object::sigs): Eliminate.
(verifyable_object::sigmask): Eliminate.
(verifyable_object::sigtodo): Eliminate.
(verifyable_object::exit): Make attribute noreturn.
(verifyable_object::thread_init_wrapper): Ditto.
(pthread_null::exit): Ditto.
* winbase.h (__stackbase): Always define.
* winsup.h (low_priority_sleep): Declare as a "C" function.
* include/cygwin/version.h: Bump API version to reflect sigwait export.
* include/sys/queue.h: Protect SLIST_ENTRY from previous declaration.
* signal.cc (sigwait): Implement.
* select.cc (fhandler_base::ready_for_read): Add debugging output.
* devices.h: Define more device pointers via their storage.
* devices.in: Don't parse things like /dev/inet/tcp, as they really have no
meaning.
* devices.cc: Regenerate.
* gendevices: Set proper protection for output file.
* cygtls.h: New file.
* gendef: New file.
* gentls_offsets: New file.
* tlsoffsets.h: New file. Autogenerated.
* config/i386/longjmp.c: Remove. File subsumed by gendef output.
* config/i386/makefrag: Remove obsolete file.
* fhandler.cc: Remove spurious access_worker declaration.
* spawn.cc (spawnve): Make debugging output more accurate.
* cygwin-gperf: Remove.
* devices.cc: Remove.
* devices.gperf: New file.
* devices.shilka: New file.
* cygwin-gperf: New file.
* cygwin-shilka: New file.
* fhandler_fifo.cc: New file.
* fhandler_nodevice.cc : New file. Reorganize headers so that path.h precedes
fhandler.h throughout. Remove device argument and unit arguments from fhandler
constructors throughout. Remove pc arguments to fhandler functions and use
internal pc element instead, throughout. Use dev element in pc throughout.
Use major/minor elements rather than units and device numbers previously in
fhandler class. Use correct methods for fhandler file names rather than
directly accessing file name variables, throughout.
* Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o
* dcrt0.cc (dll_crt0_1): Call device::init.
* devices.h: Renumber devices based on more Linux-like major/minor numbers.
Add more devices. Declare standard device storage.
(device): Declare struct.
* dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type.
* dtable.cc (dtable::get_debugger_info): Ditto.
(cygwin_attach_handle_to_fd): Ditto.
(dtable::release): Remove special FH_SOCKET case in favor of generic
"need_fixup_before" test.
(dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name
to build standard fhandler.
(dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name. Move
out of dtable class. Don't accept a path_conv argument. Just build it here
and pass it to:
(build_fh_pc): Renamed from dtable::build_fhandler. Move out of dtable class.
Use intrinsic device type in path_conv to create new fhandler.
(build_fh_dev): Renamed from dtable::build_fhandler. Move out of dtable class.
Simplify arguments to just take new 'device' type and a name. Just return
pointer to fhandler rather than trying to insert into dtable.
(dtable::dup_worker): Accommodate above build_fh name changes.
(dtable::find_fifo): New (currently broken) function.
(handle_to_fn): Use strechr for efficiency.
* dtable.h: Reflect above build_fh name changes and argument differences.
(fhandler_base *&operator []): Return self rather than copy of self.
* fhandler.cc (fhandler_base::operator =): Use pc element to set normalized
path.
(fhandler_base::set_name): Ditto.
(fhandler_base::raw_read): Use method to access name.
(fhandler_base::write): Correctly use get_output_handle rather than get_handle.
(handler_base::device_access_denied): New function.
(fhandler_base::open): Eliminate pc argument and use pc element of
fhandler_base throughout.
(fhandler_base::fstat): Detect if device is based in filesystem and use
fstat_fs to calculate stat, if so.
(fhandler_base::fhandler_base): Eliminate handling of file names and, instead,
just free appropriate component from pc.
(fhandler_base::opendir): Remove path_conv parameter.
* fhandler.h: Remove all device flags.
(fhandler_base::pc): New element.
(fhandler_base::set_name): Change argument to path_conv.
(fhandler_base::error): New function.
(fhandler_base::exists): New function.
(fhandler_base::pc_binmode): New function.
(fhandler_base::dev): New function.
(fhandler_base::open_fs): New function.
(fhandler_base::fstat_fs): New function.
(fhandler_base::fstat_by_name): New function.
(fhandler_base::fstat_by_handle): New function.
(fhandler_base::isfifo): New function.
(fhandler_base::is_slow): New function.
(fhandler_base::is_auto_device): New function.
(fhandler_base::is_fs_special): New function.
(fhandler_base::device_access_denied): New function.
(fhandler_base::operator DWORD&): New operator.
(fhandler_base::get_name): Return normalized path from pc.
(fhandler_base::get_win32_name): Return windows path from pc.
(fhandler_base::isdevice): Renamed from is_device.
(fhandler_base::get_native_name): Return device format.
(fhandler_fifo): New class.
(fhandler_nodevice): New class.
(select_stuff::device_specific): Remove array.
(select_stuff::device_specific_pipe): New class element.
(select_stuff::device_specific_socket): New class element.
(select_stuff::device_specific_serial): New class element.
(select_stuff::select_stuff): Initialize new elements.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class
from fhandler_disk_file.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_disk_file::open): Move most functionality into
fhandler_base::open_fs.
(fhandler_base::open_fs): New function.
(fhandler_disk_file::close): Move most functionality into
fhandler_base::close_fs.
(fhandler_base::close_fs): New function.
* fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging
output.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard
urandom device into appropriate place.
(fhandler_socket::accept): Reflect change in fdsock return value.
* fhandler_tty.cc: See "throughouts" above.
* net.cc: Accommodate fdsock change throughout.
(fdsock): Return success or failure, accept fd argument and device argument.
* path.cc (symlink_info::major): New element.
(symlink_info::minor): New element.
(symlink_info::parse_device): Declare new function.
(fs_info::update): Accommodate changes in path_conv class.
(path_conv::fillin): Ditto.
(path_conv::return_and_clear_normalized_path): Eliminate.
(path_conv::set_normalized_path): New function.
(path_conv::path_conv): Set info in dev element. Use path_conv methods Check
for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff.
where appropriate rather than direct access. Use set_normalized_path to set
normalized path.
(windows_device_names): Eliminate.
(get_dev): Ditto.
(get_raw_device_number): Ditto.
(get_device_number): Ditto.
(win32_device_name): Call new device name parser to do most of the heavy
lifting.
(mount_info::conv_to_win32_path): Fill in dev field as appropriate.
(symlink_worker): Handle new device files.
(symlink_info::check): Ditto.
(symlink_info::parse_device): Define new function.
* path.h (executable_states): Move here from fhandler.h.
(fs_info): Rename variables to *_storage and create methods for accessing same.
(path_conv): Add dev element, remove devn and unit and adjust inline methods to
accommodate.
(set_normalized_path): Declare new function.
* pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos.
(_pinfo::commune_send): Ditto.
* pipe.cc (fhandler_pipe::close): check for existence of handle before closing
it.
(handler_pipe::create): Rename from make_pipe. Change arguments to accept
fhandler_pipe array. Accommodate fifos.
(pipe): Rework to deal with fhandler_pipe::create changes.
(_pipe): Ditto.
* select.cc: Use individual device_specific types throughout rather than
indexing with obsolete device number.
(set_bits): Use is_socket call rather than checking device number.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(conv_to_win32_path): Reflect addition of device argument.
* syscalls.cc (mknod_worker): New function.
(open): Use build_fh_name to build fhandler.
(chown_worker): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(chmod_device): New function.
(chmod): Detect if this is an 'auto' device rather than an on-filesystem device
and handle appropriately. Use chmod_device to set mode of in-filesystem
devices.
(stat_worker): Eliminate path_conv argument. Call build_fh_name to construct
fhandler. Use fh->error() rather than pc->error to detect errors in fhandler
construction.
(access_worker): New function pulled from access. Accommodate in-filesystem
devices.
(access): Use access_worker.
(fpathconf): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(mknod_worker): New function.
(mknod32): New function.
(chroot): Free normalized path -- assuming it was actually cmalloced.
* tty.cc (create_tty_master): Tweak for new device class.
(tty::common_init): Ditto.
* winsup.h (stat_worker): Remove.
(symlink_worker): Declare.
* exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't
worry about pending_signals since sig_dispatch_pending should always do the
right thing now.
(sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3.
* pinfo.h: Move __SIG enum to sigproc.h.
(PICOM_FIFO): New enum element.
(_pinfo): Remove 'thread2signal' stuff throughout class.
(_pinfo::commune_send): Make varargs.
(_pinfo::sigtodo): Eliminate.
(_pinfo::thread2signal): Ditto.
* signal.cc (kill_worker): Eliminate call to setthread2signal.
* sigproc.cc (local_sigtodo): Eliminate.
(getlocal_sigtodo): Ditto.
(sigelem): New class.
(pending_signals): New class.
(sigqueue): New variable, start of sigqueue linked list.
(sigcatch_nonmain): Eliminate.
(sigcatch_main): Eliminate.
(sigcatch_nosync): Eliminate.
(sigcomplete_nonmain): Eliminate.
(pending_signals): Eliminate.
(sig_clear): Call signal thread to clear pending signals, unless already in
signal thread.
(sigpending): Call signal thread to get pending signals.
(sig_dispatch_pending): Eliminate use of pending_signals and just check
sigqueue.
(sigproc_terminate): Eliminate all of the obsolete semaphore stuff. Close
signal pipe handle.
(sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send
signals.
(getevent): Eliminate.
(pending_signals::add): New function.
(pending_signals::del): New function.
(pending_signals::next): New function.
(wait_sig): Eliminate all of the obsolete semaphore stuff. Use pipe to
communicate and maintain a linked list of signals.
* sigproc.h: Move __SIG defines here. Add __SIGPENDING.
(sig_dispatch_pending): Remove "C" specifier.
(sig_handle): Accept a mask argument.
* thread.cc: Remove signal handling considerations throughout.
* security.h (__sec_user): Add "access2" argument.
(sec_acl): Add "original" and "access2" arguments.
(sec_user): Add "sid2" and "access2" argument. Remove dependence on
allow_ntsec.
(sec_user_nih): Ditto.
* sec_helper.cc (__sec_user): Add "has_security" test.
Call sec_acl with new arguments, letting it handle original_sid.
(sec_acl): Add "original" and "access2" arguments. Handle original_sid
depending on flag but avoiding duplicates. Use "access2" for sid2.
* pinfo.cc (pinfo::init): Use security attributes created by sec_user
when creating the mapping.
* security.cc (create_token): Adjust arguments in call to sec_acl.
Call sec_user instead of __sec_user.
* syscall.cc (seteuid32): Adjust arguments in call to sec_acl. Remove
now unnecessary test. Remove useless conversions to psid.
* dcrt0.cc (dll_crt0_1): Call cygsid::init before pinfo_init.
* cygwin.din: Remove extraneous mallinfo definition.
* dcrt0.cc (quoted): Use strechr for efficiency.
* fhandler.cc (fhandler_base::write): Correctly use get_output_handle rather
than get_handle.
(fhandler_base::lseek): Use method for accessing name in debug output.
* exceptions.cc (early_stuff_init): Delete.
(init_console_handler): New function - top half of early_stuff_init.
(init_global_security): New function - bottom half of early_stuff_init.
(sig_handle): Avoid special hExeced test for SIGINT. Just terminate the
captive process.
(signal_exit): Add debugging output.
* fhandler_tty.cc (fhandler_tty_slave::open): Don't allocate a console if one
already seems to exist. Properly initialize ctrl-c handling if we do allocate
a console.
* winsup.h (early_stuff_init): Delete declaration.
(init_console_handler): New declaration.
(init_global_security): New declaration.
set.
* exceptions.cc (sig_handle_tty_stop): Don't reset sigCONT event since it is
reset automatically.
* fork.cc (fork): Remove obsolete usage of PID_SPLIT_HEAP.
* include/sys/cygwin.h: Ditto.
* sigproc.cc (sig_send): Use sigframe init method to set frame since it checks
for previous ownership of the frame.
* sigproc.h (sigframe::init): Accept an "is_exception" argument.
(dll_crt0_1): Store argc in __argc_safe, which will theoretically remain
untouched by the user.
* fhandler_console.cc (fhandler_console::read): Silence some compiler warnings.
* fhandler_raw.cc (fhandler_dev_raw::raw_read): Ditto.
* pinfo.cc (_pinfo::commune_recv): Carefully bound argv scan and check for
potentially bad pointers since user could have set argv cell to anythinw.
* cygheap.h (CYGHEAPSIZE): Bump up size.
cygerrno.h.
* include/cygwin/config.h (__DYNAMIC_REENT__): Define.
* include/cygwin/version.h: Bump API minor version.
* cygwin.din: Export __getreent
* cygerrno.h: Include errno.h. Fix places where _impure_ptr is used directly
to store the errno value.
* debug.cc (__set_errno): Ditto.
* errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled.
* signal.cc: Rename _reent_clib to _REENT throughout.
* thread.h (reent_clib): Remove prototype.
* thread.cc (reent_clib): Rename reent_clib to __getreent. Return _impure_ptr
until MTinterface is initialized.
(reent_winsup): Fix a possible SEGV when _r == NULL. Return NULL instead.
* MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep
signal handling running when fork is called from a thread other than the
mainthread.
(MTinterface::Init): Ditto.
* thread.cc (MTinterface::Init): Remove function parameter.
Always initialize reent_key.
(pthread::init_mainthread): Remove function parameter.
(MTinterface::fixup_after_fork): Fix pthread::init_mainthread call.
* dcrt0.cc (dll_crt_0_1) Fix calls to MTinterface::Init and
pthread::init_mainthread.
Call pthread::init_mainthread only when not forked.
according to the GNU coding style.
* thread.cc: Ditto.
* dcrt0.cc (dll_crt0_1): Rename pthread::initMainThread call to
pthread::init_mainthread.
* pthread.cc (pthead_getsequence_np): Rename pthread::isGoodObject
call to pthread::is_good_object.
* exceptions.cc (signal_fixup_after_exec): Eliminate argument in definition.
Don't reset signal handlers after spawm. Just treat like fork/exec.
* dcrt0.cc (dll_crt0_1): Don't pass PROC_SPAWN argument to
signal_fixup_after_exec.
* syscalls.cc (unlink): Don't change attributes of file if not readonly/system.
Ditto for resetting of arguments.
update the euid and call cygheap->user.set_name. Remove special
handling of ILLEGAL_UID.
(setgid32): Add a debug_printf. On Win95, always set the egid.
Remove special handling of ILLEGAL_GID. Do not compare gid and gr_gid.
* child_info.h (class cygheap_exec_info): Remove uid.
* spawn.cc (spawn_guts): Do not set ciresrv.moreinfo->uid.
* dcrto.cc (dll_crt0_1): Always call uinfo_init.
* uinfo.cc (uinfo_init): Reorganize and close handle if needed.
(cygheap_user::ontherange): Do not call internal_getpwnam if pw is NULL.
via signal.
(signal_exit): Enter critical section early to avoid exit races with main
thread.
* dcrt0.cc (do_exit): Use exit_lock critical section to avoid races.
* dcrt0.cc (dll_crt0_1): Call well known SID initializer function.
* security.h (cygsid::init): Declare new static method.
* sec_helper.cc (cygsid::init): New method for initializing well
known SIDs.
2002-12-14 Pierre Humblet <pierre.humblet@ieee.org>
* security.h: Declare well_known_creator_group_sid.
* sec_helper.cc: Define and initialize well_known_creator_group_sid.
(winpids::init): New declaration.
(winpids::cs): Ditto.
(winpids::winpids): Use set rather than init.
* external.cc (fillout_pinfo): Ditto.
* dcrt0.cc (dll_crt0_1): Call winpids::init.
* pinfo.cc (winpids::set): Renamed from init. Wrap calls in critical section.
(winpids::init): New function.
(winpids::cs): Define.
* dcrt0.cc (dll_crt0_1): Add call to pthread::initMainThread to
initialize mainthread when it is safe to call new.
* init.cc (dll_entry): Change call to store reents in tls key.
* thread.cc (_reent_clib) : Change call to get reents from tls
key.
(_reent_winsup): Ditto.
(MTinterface::Init): Key handling changed. Remove initialization
of member variables.
(MTinterface::fixup_after_fork): Reinitialize mainthread object
after fork. Reset threadount to 1.
(pthread::initMainThread): Create mainthread object dynamically.
and initialize with valid handles.
(pthread::self): Remove calls to create thread objects.
(pthread::setTlsSelfPointer): Change call to store thread self
handle in tls key.
(pthread::getTlsSelfPointer): New static method.
(pthread::exit): Remove setTlsSelfPointer call.
(pthread::initCurrentThread): New method.
(pthread::thread_init_wrapper): Change call to store thread self
handle in tls key.
(pthread::join): Check for a valid joiner.
(pthreadNull::pthreadNull): Mark Null object as detached.
(pthreadNull::exit): Terminate thread via ExitThread.
* thread.h (pthread::initMainThread): Change parameter in function
call.
(pthread::getTlsSelfPointer): New static method.
(pthread::initCurrentThread): New method.
(MTinterface::reent_key): Remove.
(MTinterface::thread_self_dwTlsIndex): Ditto..
(MTinterface::indexallocated): Ditto.
(MTinterface::mainthread): Ditto.
(MTinterface::reent_key): New member.
(MTinterface::thread_self_key): Ditto.
(MTinterface::MTinterface): Initialize all members.
(cygthread::initialized): Delete.
(cygthread::stub): Use exiting variable to determine when to exit.
(cygthread::runner): Delete.
(cygthread_protect): New variable.
(cygthread::init): Don't start runner thread. Initialize muto for list
protection.
(cygthread::freerange): Return pointer to cygthread.
(cygthread::operator new): Change logic to start threads on an as-needed basis.
(cygthread::detach): Don't zero id.
(cygthread::terminate): Don't kill any executing threads. Just set exiting
flag.
* cygthread.h (cygthread): Reflect above changes.
* dcrt0.cc (dll_crt0_1): Move cygthread initialization later.
* fork.cc (fork_child): Do fdtab fixup after dll fixup or (apparently) winsock
may allocate memory in dll load address.
(init_cheap): Ditto for declaration.
* fork.cc (fork_parent): Use user_heap element in cygheap.
* heap.h (inheap): Ditto.
* heap.cc (sbrk): Ditto.
(heap_init): Ditto. Reorganize to shrink heap chunk as required and record new
value in cygheap.
* dcrt0.cc (dll_crt0_1): More "move the cygthread init" games.
* shared.cc (open_shared): Rework memory protection to properly deal with
relocated shared segment.
(shared_info::heap_chunk_size): Rename element to 'heap_chunk'.
* shared_info.h (shared_info): Ditto for declaration.
* strace.cc (strace::hello): Report on heap chunk size from cygheap since it
may shrink.
* cygwin.din: Remove last vestiges (?) of newlib wrappers.
* cygthread.cc (cygthread::detach): Always wait for event or suffer an
apparently inavoidable race.
* dcrt0.cc (dll_crt0_1): Allocate threads after stack has been relocated.
* debub.cc (lock_debug): Don't acquire lock on exit.
* fork.cc (fork_child): Recreate mmaps before doing anything else since Windows
has a habit of using blocks of memory in the child that could previously have
been occupied by shared memory in the parent.
* mmap.cc (fhandler_disk_file::fixup_mmap_after_fork): Issue error here and
provide some details about what went wrong.
(fixup_mmaps_after_fork): Remove error message.
* shared.cc (open_shared): Move warning message so that more detail is
possible.
* sigproc.cc (sigproc_init): Initialize sync_proc_subproc to avoid a race.
(sigproc_terminate): Specifically wait for process thread to terminate.
* fork.cc (fork_child): Initialize cygwin thread later in process to avoid
allocating memory for thread stacks.
* shared.cc (open_shared): Issue warning if NT and shared segment is relocated.
(child_info_fork::mount_table): Remove.
(child_info_fork::myself_addr): Remove.
* fork.cc (fork_child): Don't set either of the above.
* dcrt0.cc (dll_crt0_1): Call memory_init as early as possible.
* fhandler_console.cc (console_state): Move to shared_info.h.
(fhandler_console::get_tty_stuff): Reflect open_shared arg change.
* pinfo.cc (myself_addr): Remove definition.
(pinfo::init): Get myself address from open_shared.
* pinfo.h (myself_addr): Remove declaration.
* shared.cc (open_shared): Rework so that known shared memory locations are
protected. Take shared memory type as fifth argument.
(memory_init): Reflect open_shared arg change.
* shared_info.h (shared_locations): New enum.
(console_state): Move here.
(open_shared): Reflect open_shared arg change in declaration.
(child_info_fork::heaptop): Remove obsolete element.
(child_info_fork::heabbase): Ditto.
(child_info_fork::heapptr): Ditto.
(child_info_fork::mount_table): New element.
(child_info_fork::myself_addr): Ditto.
* dcrt0.cc (dll_crt0_1): Set mount_table and myself_addr when forking.
(initial_env): Add newline to "sleeping" message.
* dll_init.cc (reserve_upto): Accommodate cygwin heap when freeing memory.
Make debugging output a little more descriptive.
* fork.cc (fork_parent): Save mount_table and myself_addr.
* pinfo.cc (myself_addr): New variable.
(set_myself): Pass PID_MYSELF flag to init.
(pinfo::Init): Honor PID_MYSELF. Save address where myself shared memory
resides in myself_addr, for fork.
* pinfo.h (myself_addr): Declare.
* shared.cc (memory_init): On fork, use previously saved address for location
of mount table.
* include/sys/cygwin.h (PID_MYSELF): New value.
* dtable.cc (dtable::stdio_init): Don't pass access type to
init_std_file_from_handle. It's always the same.
(dtable::init_std_file_from_handle): Remove access type argument. Assume
read/write.
* dtable.h (dtable::init_std_file_from_handle): Ditto for declaration.
* exceptions.cc (try_to_debug): Don't try to debug if already being debugged.
* fhandler_console.cc (shared_console_info_save): New variable.
(fhandler_console::get_tty_stuff): Save address of shared console stuff for
fork.
Initialize thread_sync event here which is used to Suspend using an event
rather than relying on SuspendThread/ResumeThread.
(cygthread::init): Save handle to runner thread for future termination.
(cygthread::cygthread): Only resume thread when it is actually suspended.
Otherwise signal thread completion event.
(cygthread::terminate): Forcibly terminate runner thread and any helper
threads. Call DisableThreadLibrary calls if execing.
* cygthread.h (cygthread::thread_sync): Declare.
* dcrt0.cc (do_exit): Eliminate calls to obsolete window_terminate and
shared_terminate.
* exceptions.cc (events_terminate): Don't bother closing title_mutex since it
is going away anyway.
* pinfo.cc (_pinfo::exit): Call cygthread::terminate to ensure that threads are
shut down before process exit or otherwise strange races seem to occur.
* shared.cc (shared_terminate): Eliminate.
* shared.h (shared_terminate): Eliminate declaration.
* winsup.h (window_terminate): Eliminate declaration.
* spawn.cc (spawn_guts): Call cygthread::terminate early in process if execing.
Call DisableThreadLibrary calls if execing.
* window.cc (Winmain): Call ExitThread to force exit.
(window_terminate): Eliminate.
* dcrt0.cc (do_exit): Track exit state more closely.
* dcrt0.cc (do_exit): Move thread stuff after vfork stuff or threads are
terminated during vfork.
* sigproc.cc (proc_terminate): Grab proc lock prior to signalling subproc
thread exit to avoid an extra "wait-for-thread-to-exit".
Assume that they exit via an ExitThread call.
* cygthread.h (cygthread::SetThreadPriority): New function.
(cygthread::zap_h): New function.
* dcrt0.cc (do_exit): Move cygthread::terminate earlier and establish
exit_state guard.
* fhandler.h (fhandler_tty_master::output_thread): Delete.
* fhandler_tty.cc (fhandler_tty_master::init): Set priority for threads via
method. Zap handles when done. Don't treat process_output specially.
(process_output): Call ExitThread directly.
(fhandler_tty_master::fixup_after_fork): Don't worry about output_thread.
(fhandler_tty_master::fixup_after_exec): Ditto.
* sigproc.cc (proc_terminate): Don't detach from hwait_subproc. Just let it
exit.
(sigproc_init): Close thread handle after initialization.
(wait_sig): Use GetCurrentThread() as SetThreadPriority call rather than
*event* handle. Call ExitThread directly on termination.
(wait_subproc): Call ExitThread directly on termination.
* tty.cc (tty_list::terminate): Don't attempt t detach from output_thread.
GNUify non-GNU formatted functions calls throughout.
2002-09-22 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (with_strerr): Remove macro.
(server_shmmgr::segment_t::~segment_t): Remove calls to with_strerr.
(server_shmmgr::segment_t::attach): Ditto.
(server_shmmgr::new_segment): Ditto.
* shm.cc (with_strerr): Remove macro.
(client_shmmgr::shmdt): Remove calls to with_strerr.
(client_shmmgr::attach): Ditto.
2002-09-21 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/sys/ipc.h: Move to "include/cygwin/ipc.h".
* include/sys/msg.h: Move to "include/cygwin/msg.h".
* include/sys/sem.h: Move to "include/cygwin/sem.h".
* include/sys/shm.h: Move to "include/cygwin/shm.h".
* include/cygwin/ipc.h: New file.
* include/cygwin/msg.h: Ditto.
* include/cygwin/sem.h: Ditto.
* include/cygwin/shm.h: Ditto.
* cygserver_shm.h: Update includes.
* msg.cc: Ditto.
* sem.cc: Ditto.
2002-09-21 Conrad Scott <conrad.scott@dsl.pipex.com>
* safe_memory.h (safe_delete): Make a templated function.
* cygserver.cc (~server_request): Update use of safe_delete.
(main): Ditto.
* cygserver_client.cc (client_request::handle_request): Ditto.
(client_request::make_request): Ditto.
* cygserver_process.cc (~process_cleanup): Ditto.
(process::remove): Ditto.
(process::cleanup): Ditto.
(process_cache::process): Ditto.
* cygserver_shm.cc (server_shmmgr::segment_t::detach): Ditto.
(server_shmmgr::delete_segment): Ditto.
* shm.cc (client_shmmgr::shmdt): Ditto.
* threaded_queue.cc (~threaded_queue): Ditto.
(threaded_queue::worker_loop): Ditto.
2002-08-29 Conrad Scott <conrad.scott@dsl.pipex.com>
* safe_memory.h: Replace #include <new> with an explicit
definition of the placement new operator.
(safe_delete): Remove unnecessary ## operator.
2002-07-28 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (class server_shmmgr): Remove `cleanup_t'
friend declaration.
(cleanup_t::cleanup_t): Use the segment's shmid as the key rather
than the segment pointer itself.
(cleanup_t::segptr): Remove method.
(cleanup_t::shmid): New method.
(cleanup_t::cleanup): Update for new key value.
(server_shmmgr::find (segment_t *)): Remove method.
* include/cygwin/cygserver_process.h (cleanup_routine::key): Make
method const.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_process.h
(cleanup_routine::_key): New field.
(cleanup_routine::cleanup_routine): Initialise new field with new
argument.
(cleanup_routine::operator==): New method.
(cleanup_routine::key): New method.
(cleanup_routine::cleanup): Make argument non-const.
(process::is_active): New method.
(process::remove): Ditto.
(process::check_exit_code): Rename method.
* cygserver_process.cc (process::add): Reorganize code.
(process::remove): New method.
(process::check_exit_code): Rename method.
(process::cleanup): Use new `process::is_active' method.
(process_cache::process): Ditto.
(process_cache::sync_wait_array): Ditto.
(process_cache::check_and_remove_process): Ditto.
* cygserver_shm.cc (server_shmmgr): Make `cleanup_t' a friend.
(segment_t::detach): Make argument non-const. Remove cleanup
object from client if appropriate.
(cleanup_t::_segptr): Remove field.
(cleanup_t::cleanup_t): Initialise parent explicitly. Remove
field.
(cleanup_t::segptr): New method.
(cleanup_t::cleanup): Add error checking and reporting.
(server_shmmgr::shmdt): Make argument non-const.
(server_shmmgr::find (segment_t *)): New method.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (client_request_shutdown::client_request_shutdown):
Comment out verbose tracing statement.
* cygserver_client.cc
(client_request_get_version::client_request_get_version): Ditto.
(client_request_attach_tty::client_request_attach_tty): Ditto.
* cygserver_shm.cc (client_request_shm::client_request_shm):
Ditto.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_pipes.cc (transport_layer_pipes::listen):
Set `_is_listening_endpoint' appropriately.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_transport.h
(transport_layer_base::listen): Change return type.
(transport_layer_base::connect): Ditto.
* include/cygwin/cygserver_transport_pipes.h
(transport_layer_pipes::listen): Change return type.
(transport_layer_pipes::connect): Ditto.
(transport_layer_pipes::_sec_none_nih): Remove unused field.
(transport_layer_pipes::_is_listening_endpoint): New field.
* cygserver_transport_pipes.cc: Synchronize with sockets code.
(transport_layer_pipes::transport_layer_pipes): Initialise new
field. Separate out asserts.
(transport_layer_pipes::listen): Change return type. Add asserts.
(transport_layer_pipes::accept): Add asserts.
(transport_layer_pipes::read): Change conditional to an assert.
Add assert.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::connect): Change return type. Change
conditional to an assert. Add asserts. Rationalize error code
slightly.
(transport_layer_pipes::impersonate_client): Add asserts.
* include/cygwin/cygserver_transport_sockets.h
(transport_layer_sockets::listen): Change return type.
(transport_layer_sockets::connect): Ditto.
(transport_layer_sockets::_addr): Change type of field.
(transport_layer_sockets::_addr_len): Ditto.
(transport_layer_sockets::_is_accepted_endpoint): New field.
(transport_layer_sockets::_is_listening_endpoint): Ditto.
* cygserver_transport_sockets.cc
(MAX_CONNECT_RETRY): New constant.
(transport_layer_sockets::transport_layer_sockets): Initialise new
fields. Only initialise the socket address where necessary.
(transport_layer_sockets::listen): Change return type. Rewrite.
(transport_layer_sockets::accept): Add asserts. Add tracing
statements. Use a local variable to hold the accepted address.
(transport_layer_sockets::close): Add tracing statements. Unlink
the UNIX domain socket file as appropriate. Close the socket
cleanly.
(transport_layer_sockets::read): Rewrite method.
(transport_layer_sockets::write): Ditto.
(transport_layer_sockets::connect): Change return type. Rewrite.
* cygserver.cc (server_submission_loop::request_loop): Run the
listening thread at high priority with special handling for
shutdown.
(main): Print the request error code rather than errno in shutdown
request code. Install signal handlers with sigaction(2) to avoid
setting SA_RESTART. Check value of the listen method call, now it
has one.
* cygserver_client.cc (client_request::make_request): Check new
return value on connect method call.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_transport_pipes.h
(cygserver_transport_pipes::_sd): Rename field.
(cygserver_transport_pipes::_sec_none_nih): Ditto.
(cygserver_transport_pipes::_sec_all_nih): Ditto.
(cygserver_transport_pipes::_pipe_name): Ditto.
(cygserver_transport_pipes::_hPipe): Ditto.
(cygserver_transport_pipes::_is_accepted_endpoint): Ditto.
* cygserver_transport_pipes.cc
(transport_layer_pipes::transport_layer_pipes): Rename fields.
(transport_layer_pipes::init_security): Ditto.
(transport_layer_pipes::listen): Ditto.
(transport_layer_pipes::accept): Ditto.
(transport_layer_pipes::close): Ditto.
(transport_layer_pipes::read): Ditto.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::connect): Ditto.
(transport_layer_pipes::impersonate_client): Ditto.
(transport_layer_pipes::revert_to_self): Ditto.
* include/cygwin/cygserver_transport_sockets.h
(cygserver_transport_sockets::_fd): Rename field.
(cygserver_transport_sockets::_addr): Ditto.
(cygserver_transport_sockets::_addr_len): Ditto.
* cygserver_transport_sockets.cc
(transport_layer_sockets::transport_layer_sockets): Rename fields.
(transport_layer_sockets::listen): Ditto.
(transport_layer_sockets::accept): Ditto.
(transport_layer_sockets::close): Ditto.
(transport_layer_sockets::read): Ditto.
(transport_layer_sockets::write): Ditto.
(transport_layer_sockets::connect): Ditto.
2002-07-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (with_strerr): Fix use of %p format.
* shm.cc (client_shmmgr::shmat): Ditto.
(client_shmmgr::shmctl): Ditto.
(client_shmmgr::shmdt): Ditto.
(client_shmmgr::attach): Ditto.
2002-07-14 Christopher Faylor <cgf@redhat.com>
* woutsup.h (system_printf): Remove extraneous semicolon from macro
definition.
2002-07-14 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_pipes.cc
(transport_layer_pipes::connect): Use ProtectHandle in DLL code.
(transport_layer_pipes::close): Use ForceCloseHandle in DLL code.
2002-07-13 Nicholas Wourms <nwourms@netscape.com>
* threaded_queue.h (class queue_submission_loop): Correct friend
declaration for GCC 3.1.1.
* include/cygwin/cygserver_process.h (class process): Ditto.
(class process_cache): Ditto.
2002-07-12 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (server_shmmgr::shmdt): Only call
delete_segment if the segment exists [sic].
2002-07-12 Conrad Scott <conrad.scott@dsl.pipex.com>
* safe_memory.h: Include <new> rather than <new.h> for gcc 3.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* safe_memory.h: New file extracted from "woutsup.h".
* woutsup.h: Move the "safe" new/delete macros into the new
"safe_memory.h" header file and include that here.
* cygserver_client.cc: Explicitly include "safe_memory.h" for
client-side code.
(client_request::make_request): Use the "safe" new/delete macros
unconditionally, i.e. use them on the client side as well as on
the server side.
* cygserver_transport.cc: Explicitly include "safe_memory.h" for
client-side code.
(create_server_transport): Use the "safe" new/delete macros
unconditionally, i.e. use them on the client side as well as on
the server side.
* shm.cc: Include "safe_memory.h".
(client_shmmgr::instance): Use the "safe" new/delete macros.
(client_shmmgr::shmdt): Ditto.
(client_shmmgr::new_segment): Ditto.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_process (process::process): Add the client's cygpid
and winpid to all tracing statements as appropriate.
(process::exit_code): Ditto.
(process_cache::check_and_remove_process): Ditto.
* cygserver_shm.cc (server_shmmgr::shmat): Ditto.
(server_shmmgr::shmdt): Ditto.
(server_shmmgr::shmctl): Add a process object argument and remove
the explicit cygpid argument. Add the client's cygpid and winpid
to all tracing statements as appropriate.
(server_shmmgr::shmget): Ditto.
(client_request_shm::serve): Update for the new signature of the
shmctl and shmget methods.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (client_request_shutdown::serve): Don't set the
shutdown flag directly, but send a SIGINT, as the signal handler
sets the flag and the signal breaks the pause(2) in the main loop.
(print_usage): Add new options.
(main): Add new --cleanup-threads and --request-threads options to
set the number of threads used by the daemon. Use pause(2) rather
the win32 Sleep in the main loop.
* shm.cc (shmat): Add sigframe.
(shmctl): Ditto.
(shmdt): Ditto.
(shmget): Ditto.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc: Automatically detach processes from any
segments they are attached to at exit.
(class server_shmmgr::attach_t): New class.
(server_shmmgr::segment_t::IS_DELETED): Rename and make private.
(server_shmmgr::segment_t::_sequence): Make private.
(server_shmmgr::segment_t::_flg): Ditto.
(server_shmmgr::segment_t::_hFileMap): Ditto.
(server_shmmgr::segment_t::_attach_head): New private field.
(server_shmmgr::segment_t::segment_t): Initialise new fields.
Make non-inline.
(server_shmmgr::segment_t::~segment_t): New method.
(server_shmmgr::segment_t::is_deleted): Ditto.
(server_shmmgr::segment_t::is_pending_delete): Ditto.
(server_shmmgr::segment_t::mark_deleted): Ditto.
(server_shmmgr::segment_t::attach): Ditto.
(server_shmmgr::segment_t::detach): Ditto.
(server_shmmgr::segment_t::find): Ditto.
(class server_shmmgr::cleanup_t): New class.
(server_shmmgr::_shm_atts): New private field.
(server_shmmgr::shmat): Add a process object argument to replace
the removed process_cache, cygpid and winpid arguments. Remove
the process_cache manipulations. Move body of code to the
segment_t::attach method. Increment _shm_atts when required.
Update tracing statements.
(server_shmmgr::shmdt): Add a process object argument to replace
the removed cygpid argument. Move body of code to the
segment_t::detach method. Decrement _shm_atts when required.
Update tracing statements.
(server_shmmgr::shmget): Use the new segment_t::is_deleted method.
(server_shmmgr::server_shmmgr): Initialise the new _shm_atts
field.
(server_shmmgr::delete_segment): Remove the CloseHandle code, as
this is now done in the segment_t destructor.
(client_request_shm::serve): Look up the client's process object
and pass to the server_shmmgr::shmat and server_shmmgr::shmdt
methods rather than passing the cache, winpid and cygpid.
* cygserver_process.h: Add a cygpid to the process object to make
it more useful and then pass process objects rather than winpids
where possible.
(cleanup_routine::cleanup): Change argument to be a pointer to a
process object.
(class process): Re-order fields for no discernible reason.
(process::_cygpid): New field.
(process::process): Add a cygpid argument.
(process::winpid): New method.
(process::cygpid): Ditto.
(process::add): Make public, as it always should have been.
(process_cache::process): Add a cygpid argument.
* cygserver_process.cc (process::process): Add a cygpid argument
and use it to initialise the `_cygpid' field. Re-order
initialisers to match new field order.
(process::cleanup): Pass `this' rather than just the winpid to
cleanup_routine::cleanup.
(process_cache::process): Add a cygpid argument and pass it to the
process object constructor.
* include/sys/shm.h (shmatt_t): Make unsigned as per SUSv3.
(shm_info::shm_atts): New field.
2002-07-11 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (class server_shmmgr::segment_t): Add `_'
prefix to the names of all fields.
2002-07-10 Conrad Scott <conrad.scott@dsl.pipex.com>
* msg.cc: New file of stub functions, no functionality.
* sem.cc: Ditto.
* shm.cc (client_shmmgr::shmctl): Add support for an out shm_info
buffer for the SHM_INFO command.
(client_shmmgr::shmget): Use %X to print keys.
* include/sys/ipc.h: Comment all fields and values.
(IPC_PRIVATE): Change to be non-negative.
* include/sys/msg.h: New file with SUSv3 and ipcs(8) interfaces.
* include/sys/sem.h: Ditto.
* include/sys/shm.h: Comment all fields and values.
(struct shm_info): New struct.
* cygserver_shm.h (client_request_shm::shminfo): Rename.
(client_request_shm::shm_info): New method.
(client_request_shm::_parameters.out.hFileMap): Move into union.
(client_request_shm::_parameters.out.shminfo): Rename.
(client_request_shm::_parameters.out.shm_info): New field.
* cygserver_shm.cc (server_shmmgr::_shm_ids): Rename.
(server_shmmgr::_shm_tot): New field.
(server_shmmgr::shmctl): Rename `out_shminfo' argument. Add
`out_shm_info' argument. Fill in the `out_shm_info' argument in
the SHM_INFO command.
(server_shmmgr::shmget): Check `shmflg' against the mode of
existing segments as per Stevens 1990, p. 123.
(server_shmmgr::server_shmmgr): Initialise the new `_shm_tot'
field.
(server_shmmgr::new_segment): Set ENOMEM if CreateFileMapping
fails. Pass `size' to new_segment.
(server_shmmgr::new_segment): Add size argument and use it to
check against and update the new `_shm_tot' field.
(server_shmmgr::delete_segment): Update the new `_shm_tot' field.
* Makefile.in (DLL_OFILES): Add new DLL object files.
2002-07-09 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_pipes.cc: The main change is to make the
client try harder to connect to the server if it's previously
connected, and so has good grounds for believing that the server
is running.
(MAX_WAIT_NAMED_PIPE_RETRY): Change to be an enumerator.
(WAIT_NAMED_PIPE_TIMEOUT): Ditto.
(transport_layer_pipes::accept): Use interlocked operators on
`pipe_instance'.
(transport_layer_pipes::close): Rearrange so that FlushFileBuffers
and DisconnectNamedPipe are only called for accepted endpoints.
Use interlocked operators on `pipe_instance'.
(transport_layer_pipes::read): Use set_errno where required.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::connect): Add local static variable
`assume_cygserver'. Set it if a connection is made to cygserver,
clear it if a connection is not made even after retrying. If set,
ignore all errors from CreateFile and retry the connection. Catch
the situation where WaitNamedPipe fails to wait [sic] and add a
`Sleep (0)' so that the server gets a chance to run.
2002-07-03 Conrad Scott <conrad.scott@dsl.pipex.com>
* dcrt0.cc: Only check for cygserver if and when required.
(dll_crt0_1): Remove call to `cygserver_init ()'.
* fhandler_tty.cc (fhandler_tty_slave::open): Change the cygserver
logic to allow for the fact that `cygserver_init ()' may not yet
have been called.
(fhandler_tty_slave::cygserver_attach_tty): Tweak the cygserver
request logic to conform to the practice elsewhere in the code.
* tty.cc (tty::common_init): Add an explicit call to
`cygserver_init ()' if it hasn't already been called.
* include/cygwin/cygserver.h (CYGSERVER_UNAVAIL): Rename from
`CYGSERVER_DEAD'.
(client_request_get_version::check_version): Make available in
cygserver as well the DLL.
(check_cygserver_available): Ditto. Remove `check_version_too'
argument.
(cygserver_init): Ditto. And likewise.
* cygserver_client.cc (client_request_get_version::check_version):
Make available in cygserver as well the DLL.
(client_request::make_request): This may now be called without
`cygserver_init ()' having been called first. Detect this and
call it as required. Add tracing.
(check_cygserver_available): Make available in cygserver as well
the DLL. Remove `check_version_too' argument and always check the
version information. And since this is called from within
`cygserver_init ()', force `cygserver_running' before calling
`client_request::make_request ()'.
(cygserver_init): Make available in cygserver as well the DLL.
Remove `check_version_too' argument.
2002-07-03 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc: Implement the ipcs(8) interfaces, IPC_INFO,
SHM_STAT and SHM_INFO.
(server_shmmgr::segment_t::sequence): New static field.
(server_shmmgr::segment_t::key): Remove field, use the new
ds.shm_perm.key field instead.
(server_shmmgr::segment_t::shmid): Remove field.
(server_shmmgr::segment_t::intid): New field.
(server_shmmgr::segment_t::segment_t): Use the `key' argument to
initialise `ds.shm_perm.key'. Change from using `shmid' to
`intid'.
(server_shmmgr::_shmseg_cnt): Renamed from `_shmid_cnt'.
(server_shmmgr::_intid_max): Renamed from `_shmid_max.
(server_shmmgr::shmat): Move the out arguments to the start of the
argument list. Rename the `pid' argument as `cygpid'. Add
tracing. Pass an intid to `find ()', not a shmid.
(server_shmmgr::shmctl): Add separate out arguments. Rename the
`pid' argument as `cygpid'. Add support for the ipcs(8)
interfaces. Add tracing. Pass an intid to `find ()', not a
shmid.
(server_shmmgr::shmdt): Rename the `pid' argument as `cygpid'.
Add tracing. Pass an intid to `find ()', not a shmid.
(server_shmmgr::shmget): Add a separate out arguments. Rename the
`pid' argument as `cygpid'. Add tracing.
(server_shmmgr::server_shmmgr): Update for new field names.
(server_shmmgr::find_by_key): Update for the new `ds.shm_perm.key'
field.
(server_shmmgr::find): Update to use the new `segment_t::intid'
field.
(server_shmmgr::new_segment): Rename the `pid' argument as
`cygpid'. Check that the requested size is within bounds. Handle
new error result from `new_segment (key, HANDLE)'.
(server_shmmgr::new_segment): Work with intids, not shmids. Check
that the new intid is within bounds. Update for new field names.
(server_shmmgr::delete_segment): Pass an intid to `find ()', not a
shmid. Update for new field names.
(client_request_shm::serve): Check that the incoming message
length is the size of the `_parameters.in' struct, not of the
whole in/out parameter union. Likewise, set the outgoing message
length to the size of the `_parameters.out' struct. Update for
the new server_shmmgr interfaces.
* include/sys/ipc.h (ipc_perm::key): New field.
* include/sys/shm.h (SHM_INFO): New constant.
* cygserver_ipc.h (IPCMNI): New constant.
(ipc_int2ext): Add `sequence' argument and munge this into the
external ipc id.
(ipc_ext2int_subsys): Unmunge the sequence number from the
external ipc id.
(ipc_ext2int): Ditto.
(ipc_inc_id): Remove.
(ipc_dec_id): Remove.
* cygserver_shm.h (SHMMAX): New constant.
(SHMMIN): Ditto.
(SHMMNI): Ditto.
(SHMSEG): Ditto.
(SHMALL): Ditto.
(client_request_shm::_parameters): Re-arrange as a union of two
separate structs, one for in arguments, the other for out.
(client_request_shm::shmid): Update for the new parameter layout.
(client_request_shm::ds): Ditto.
(client_request_shm::info): New method.
* shm.cc (client_shmmgr::_shmat_cnt): New static field.
(client_shmmgr::shmat): Add locking. Add tracing.
(client_shmmgr::shmctl): Update for ipcs(8) commands. Add
tracing. Add more argument checking.
(client_shmmgr::shmdt): Add locking. Add tracing. Update the new
`_shmat_cnt' field.
(client_shmmgr::shmget): Add tracing.
(client_shmmgr::fixup_shms_after_fork): Add tracing. Add
consistency checking.
(client_shmmgr::attach): Add more tracing.
(client_shmmgr::new_segment): Update the new `_shmat_cnt' field.
(client_request_shm::client_request_shm): Update for the new
parameter layout. Set the outgoing message length to the size of
the `_parameters.in' struct, not of the whole in/out parameter
union.
2002-07-02 Conrad Scott <conrad.scott@dsl.pipex.com>
* shm.cc: Remove the use of a static client_shmmgr object.
(client_shmmgr::_instance): New static variable.
(client_shmmgr::instance): Allocate a new shmmgr on the heap,
rather than using a local static object.
2002-07-01 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport.cc (create_server_transport): Fix
cut-and-paste error.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_client.cc (client_request::handle_request): Don't
bother with the client request activity marker when compiled with
debugging output.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_pipes.cc
(MAX_WAIT_NAMED_PIPE_RETRY): New constant.
(WAIT_NAMED_PIPE_TIMEOUT): Ditto.
(transport_layer_pipes::close): The `pipe' field is now either
NULL or a valid handle, and it should never have the value
`INVALID_HANDLE_VALUE'.
(transport_layer_pipes::read): Ditto.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::connect): Ditto.
(transport_layer_pipes::impersonate_client): Ditto.
(transport_layer_pipes::connect): Ditto. New, but still bogus,
retry logic.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (server_shmmgr::server_shmmgr): All fields have
to be initialized now that the singleton is no longer static.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc (server_shmmgr::_instance): New static field.
(server_shmmgr::_instance_once): Ditto.
(server_shmmgr::initialise_instance): New static method.
(server_shmmgr::instance): Use a pthread_once_t rather than
relying on a local static variable.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* woutsup.h: Remove all uses of the C++ new and delete operators
throughout cygserver until they are fully thread-safe.
(safe_new0): New macro to replace the C++ new operator.
(safe_new): Ditto.
(safe_delete): New macro to replace the C++ delete operator.
* cygserver_client.cc (client_request::handle_request): Replace
all uses of the C++ new and delete operators with the new macros
from "woutsup.h".
(client_request::make_request): Ditto.
* cygserver_process.cc (~process_cleanup): Ditto.
(process::cleanup): Ditto.
(process_cache::process): Ditto.
(process_cache::check_and_remove_process): Ditto.
* cygserver_shm.cc (server_shmmgr::new_segment): Ditto.
(server_shmmgr::delete_segment): Ditto.
* cygserver_transport.cc (create_server_transport): Ditto.
* cygserver_transport_pipes.cc
(transport_layer_pipes::accept): Ditto.
* cygserver_transport_sockets.cc
(transport_layer_sockets::accept): Ditto.
* threaded_queue.cc (~threaded_queue): Ditto.
(threaded_queue::worker_loop): Ditto.
(threaded_queue::stop): Replace sleep(3) with win32 Sleep.
* cygserver.cc (~server_request): Replace all uses of the C++ new
and delete operators with the new macros from "woutsup.h".
(server_submission_loop::request_loop): Ditto.
(main): Ditto. Replace sleep(3) with win32 Sleep. Replace
iostreams with FILEs.
(print_usage): Replace iostreams with FILEs.
(print_version): Ditto.
2002-06-30 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_transport_sockets.cc
(transport_layer_sockets::accept): Rename local variable
`accept_fd' to avoid shadowing the `fd' field.
2002-06-29 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygwin_ipc.h: Moved (back) to "include/sys/ipc.h".
* cygwin_shm.h: Moved (back) to "include/sys/shm.h".
* include/sys/ipc.h: New file.
* include/sys/shm.h: New file.
* cygserver_shm.h: Update for new header file locations.
* ipc.cc: Ditto.
2002-06-28 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_client.cc (client_request::make_request): Comment out
a verbose tracing statement.
* cygserver_process.cc (process_cache::sync_wait_array): Fix
broken assert.
* include/cygwin/cygserver.h (class client_request): Remove excess
use of `class' qualifier in declarations.
(class client_request_get_version): Ditto.
(class client_request_shutdown): Ditto.
(class client_request_attach_tty): Ditto.
2002-06-28 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_ipc.h: New file.
* cygserver_shm.h: Re-written from scratch.
* cygserver_shm.cc: Ditto.
* shm.cc: Ditto.
2002-06-28 Conrad Scott <conrad.scott@dsl.pipex.com>
* threaded_queue.h (class queue_request): Re-write.
(threaded_queue_thread_function): Remove.
(class queue_process_param): Remove.
(class threaded_queue): Re-write.
(class queue_submission_loop): New version of the old
`queue_process_param' class.
(TInterlockedExchangePointer): New templated function.
(TInterlockedCompareExchangePointer): Ditto.
* threaded_queue.cc (worker_function): Remove.
(class threaded_queue): Re-write.
(class queue_process_param): Remove.
(class queue_submission_loop): New version of the old
`queue_process_param' class.
* include/cygwin/cygserver_process.h (process_cleanup): Re-write.
(class process_process_param): Remove.
(class cleanup_routine): Re-write.
(class process): Re-write.
(class process_cache): Re-write.
* cygserver_process.cc (process_cleanup): Re-write.
(class process_process_param): Remove.
(class cleanup_routine): Re-write.
(class process): Re-write.
(class process_cache): Re-write.
* cygserver.cc (request_count): Remove unused variable.
(class server_request): Move methods inline.
(class server_process_param): Remove.
(class server_request_queue): Remove.
(request_queue): Move into `main ()' and change type to
`threaded_queue'.
(request_loop): Remove.
(class server_submission_loop): New version of the old
`server_process_param' class.
(shutdown_server): New variable.
(client_request_shutdown::serve): Set `shutdown_server' to trigger
shutdown.
(handle_signal): Ditto.
(main): Install signal handler for SIGINT rather than SIGQUIT.
Use new interfaces for the `request_queue' and the `cache'.
Create a `server_submission_loop' and add to the `request_queue'.
Add check for the `shutdown_server' variable to the main loop.
* cygserver_shm.cc (client_request_shm::serve): Release the
process object after use.
2002-06-27 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_client.cc (client_request::handle_request): Correct
tracing statement.
* cygserver_transport_pipes.cc: Remove local definition of
FILE_FLAG_FIRST_PIPE_INSTANCE constant.
* cygwin_ipc.h: Update copyright notice.
* cygwin_shm.h: Ditto.
* woutsup.h: Add definition of _WIN32_WINNT.
2002-06-24 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_client (client_request::make_request): Replace my
inappropriate use of set_errno () with error_code () throughout.
2002-06-24 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver.h: Add forward declarations of class
transport_layer_base and class process_cache to reduce
dependencies between header files.
* include/cygwin/cygserver_process.h: Add include of
"threaded_queue.h".
* cygserver.cc: Remove unnecessary cygserver header files.
* cygserver_client.cc: Ditto.
* cygserver_process.cc: Ditto.
* cygserver_shm.cc: Ditto.
* cygserver_shm.h: Ditto.
* cygserver_transport_pipes.cc: Ditto.
* dcrt0.cc: Ditto.
* fhandler_tty.cc: Ditto.
* tty.cc: Ditto.
2002-06-24 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.h: Replace <sys/shm.h> with "cygwin_shm.h" after
merge from HEAD.
* cygwin_ipc.h: Update with changes to include/sys/ipc.h lost in
merge from HEAD.
* cygwin_shm.h: Ditto.
2002-06-21 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc: The tests for a duplicate server instance are now
the responsibility of the transport layer.
(request_loop): Use new `recoverable' flag in call to
`cygserver_transport::accept ()' and shutdown on an unrecoverable
error.
(main): Never call `cygserver_init ()'. Fake `cygserver_running'
just for sending a shutdown request.
* cygserver_client.cc (client_request::send): Comment out
message-size tracing statements as verbose.
(client_request::handle): Ditto.
(client_request_get_version::check_version): #ifdef as DLL-only.
(check_cygserver_available): Ditto.
(cygserver_init): Ditto.
* include/cygwin/cygserver.h
(client_request_get_version::check_version): #ifdef as DLL-only.
(check_cygserver_available): Ditto.
(cygserver_init): Ditto.
* include/cygwin/cygserver_transport.h
(transport_layer_base::impersonate_client): #ifdef as
cygserver-only.
(transport_layer_base::revert_to_self): Ditto.
(transport_layer_base::listen): Ditto.
(transport_layer_base::accept): Ditto. Add a `recoverable' out
flag for error handling.
* include/cygwin/cygserver_transport_sockets.h: Ditto.
* include/cygwin/cygserver_transport_pipes.h: Ditto.
(transport_layer_pipes): Change type of the `pipe_name' field.
Remove the `inited' field, as unnecessary. Add new
`is_accepted_endpoint' field.
* include/cygwin/cygserver_transport.cc
(transport_layer_base::impersonate_client): #ifdef as
cygserver-only.
(transport_layer_base::revert_to_self): Ditto.
* include/cygwin/cygserver_transport_sockets.cc
(transport_layer_sockets::listen): #ifdef as cygserver-only.
(transport_layer_sockets::accept): #ifdef as cygserver-only.
Analyse any errno from `accept ()' and set `recoverable' as
appropriate.
* cygserver_transport_pipes.cc: Add local #define of
`FILE_FLAG_FIRST_PIPE_INSTANCE'.
(pipe_instance_lock_once): New variable.
(pipe_instance_lock): Ditto.
(pipe_instance): Ditto.
(initialise_pipe_instance_lock): New function.
(transport_layer_pipes::transport_layer_pipes): Change
initialization of `pipe_name'. Initialize `is_accepted_endpoint'
as appropriate. Remove use of `inited'.
(transport_layer_pipes::impersonate_client): #ifdef as
cygserver-only.
(transport_layer_pipes::revert_to_self): Ditto.
(transport_layer_pipes::listen): Ditto.
(transport_layer_pipes::accept): Ditto. Keep track of how often
many named pipes have been created, in the `pipe_instance'
variable, and pass the `FILE_FLAG_FIRST_PIPE_INSTANCE' flag on the
open of the first instance. Analyse the error code from
`CreateNamedPipe ()' and set the `recoverable' flag as
appropriate.
(transport_layer_pipes::close): Update the `pipe_instance' count.
2002-06-18 Conrad Scott <conrad.scott@dsl.pipex.com>
* woutsup.h (cygserver_running): Add declaration.
(api_fatal): Eliminate.
* include/cygwin/cygserver.h
(client_request_get_version::check_version): Change return type to
bool.
(check_cygserver_available): New function.
(cygserver_init): Add check_version_too argument.
* cygserver_client.cc (allow_daemon): Make a bool.
(client_request_get_version::make_request): See errno on error.
Remove special case for CYGSERVER_REQUEST_GET_VERSION; this is now
handled in cygserver_init().
(client_request_get_version::check_version): Use syscall_printf()
instead of api_fatal(). Return true if cygserver version is
compatible.
(check_cygserver_available): New function; code moved here from
cygserver_init().
(cygserver_init): Move some code into check_cygserver_available().
* cygserver.cc (__set_errno): Copy from debug.cc so that
set_errno() can be used when __OUTSIDE_CYGWIN__.
(main): Call cygserver_init() to set up cygserver_running and add
checks against this to (try and) prevent multiple copies of
cygserver running simultaneously. Remember to delete all
transport connections so that (one day) the transport classes can
tidy up on cygserver shutdown.
2002-06-17 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (main): Adjust tracing output for a cleaner display
when compiled without --enable-debugging.
* threaded_queue.cc (threaded_queue::cleanup): Ditto.
(queue_process_param::stop): Ditto.
* include/cygwin/cygserver.h
(client_request::make_request): Make non-virtual.
(client_request::send): Make virtual and protected, not private.
(client_request_attach_tty::send): New virtual method.
* cygserver_client.cc: Use the `msglen()' accessor rather than
`_header.msglen' throughout.
(client_request_attach_tty::send): New method.
(client_request::make_request): Remove the explicit close of
`transport' as it is closed on deletion.
2002-06-17 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver.h: Change the client_request classes to
give greater encapsulation and to allow variable length requests
and replies.
(enum cygserver_request_code): Now client_request::request_code_t.
(class request_header): Now client_request::header_t. Make a
union of the request_code and the error_code. The `cb' field,
which was the buffer length, is now the `size_t msglen' field.
(struct request_get_version): Now
client_request_get_version::request_get_version.
(struct request_shutdown): Remove unused type.
(struct request_attach_tty): Now
client_request_attach_tty::request_attach_tty.
(client_request::_buf): Make field const.
(client_request::_buflen): New const private field.
(client_request::request_code): New accessor.
(client_request::error_code): Ditto.
(client_request::msglen): Ditto.
(client_request::handle_request): New static method.
(client_request::make_request): New virtual method.
(client_request::handle): New method.
(client_request::send): Make private.
(client_request_get_version::check_version): New method.
(client_request_get_version::serve): Make private.
(client_request_get_version::version): Ditto.
(client_request_shutdown::serve): Ditto.
(client_request_attach_tty::req): Ditto.
(client_request_attach_tty::serve): Ditto.
(client_request_attach_tty::from_master): Make method const.
(client_request_attach_tty::from_master): Ditto.
* cygserver_client.cc
(client_request_get_version::client_request_get_version): Track
changes to the client_request classes.
(client_request_attach_tty::client_request_attach_tty): Ditto.
(client_request_get_version::check_version): New method to
encapsulate code from cygserver_init().
(client_request_shutdown::client_request_shutdown): Move into
"cygserver.cc".
(client_request::send): Track changes to the client_request
classes. Add more error checking.
(client_request::handle_request): New static method containing the
first half of the old server_request::process() code.
(client_request::make_request): New method to replace the old
cygserver_request() function.
(client_request::handle): New method containing the second half of
the old server_request::process() code.
(cygserver_init): Track changes to the client_request classes. In
particular, some code moved into the
client_request_get_version::check_version() method.
* cygserver.cc (client_request_attach_tty::serve): Track changes
to the client_request classes. In particular, only return a reply
body if some handles are successfully duplicated for the client.
And remove goto's.
(client_request_get_version::serve): Track changes to the
client_request classes.
(client_request_shutdown::serve): Ditto.
(class client_request_invalid): Dead, and so young too.
(server_request::request_buffer): Remove unnecessary field.
(client_request_shutdown::client_request_shutdown): Moved here
from "cygserver_client.cc".
(server_request::process): Implementation moved into the new
client_request::handle_request() and client_request::handle()
methods.
* cygserver_shm.h (class client_request_shm): Put client- and
server-specific interfaces inside #ifdef/#ifndef __INSIDE_CYGWIN__
guards.
(client_request_shm::serve): Make private.
* cygserver_shm.cc
(client_request_shm::client_request_shm): Track changes to the
client_request classes.
(client_request_shm::serve): Ditto
* shm.cc (client_request_shm::client_request_shm): Ditto. Use
alloc_sd() rather than set_security_attribute() to get access to
the SECURITY_DESCRIPTOR length, so that we can use it to set the
request body length.
(shmat): Track changes to the client_request classes. In
particular, allocate client_request objects on the stack rather
than on the heap, and use the client_request::make_request()
method rather than the old cygserver_request() function.
(shmdt): Ditto.
(shmctl): Ditto.
(shmget): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::cygserver_attach_tty): Ditto.
2002-06-17 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_transport.h
(cygserver_transport::read): Change buffer type to void *.
(cygserver_transport::write): Ditto.
* include/cygwin/cygserver_transport_sockets.h
(cygserver_transport_sockets::read): Ditto.
(cygserver_transport_sockets::write): Ditto.
* include/cygwin/cygserver_transport_pipes.h
(cygserver_transport_pipes::read): Ditto.
(cygserver_transport_pipes::write): Ditto.
* cygserver_transport_sockets.cc
(cygserver_transport_sockets::read): Ditto.
(cygserver_transport_sockets::write): Ditto.
* cygserver_transport_pipes.cc
(cygserver_transport_pipes::read): Ditto. Set errno on error, to
match behaviour of cygserver_transport_sockets class.
(cygserver_transport_pipes::write): Ditto.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (version): New static variable.
(server_request_queue::add_connection): Remove my gratuitous use
of studly caps.
(setup_privileges): Declare static.
(handle_signal): Ditto.
(longopts): Make a local variable of main().
(opts): Ditto.
(print_usage): New function.
(print_version): Ditto (tip of the hat to Joshua Daniel Franklin
for inspiration here).
(main): More argument checking. Add --help and --version options.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver.h (client_request::serve): Make pure
virtual.
* cygserver.cc (client_request::serve): Remove definition of pure
virtual method.
(class client_request_invalid): New class.
(server_request::process): Use new client_request_invalid
class. And remove goto's.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (class server_request): Add virtual destructor.
(server_request_queue::addConnection): New method to replace bad
virtual add() method.
(request_loop): Replace call to queue->add() with call to
queue->addConnection().
(server_request::server_request): Use field initialization.
(server_request::~server_request): New virtual destructor.
(server_request::process): Remove close and delete of
transport_layer_base object. It is deleted by the server_request's
own destructor and closed by its own destructor.
* include/cygwin/cygserver.h
(client_request::operator request_header): Remove unused method.
* cygserver_client.cc: Ditto.
* include/cygwin/cygserver_process.h
(class cleanup_routine): Add virtual destructor.
(cleanup_routine::cleanup): Make pure virtual.
(class process_cache): Make destructor non-virtual.
(process_cache::add): Ditto.
* cygserver_process.cc
(cleanup_routine::~cleanup_routine): New virtual destructor.
* include/cygwin/cygserver_transport.h
(class transport_layer_base): Add virtual destructor.
* cygserver_transport.cc
(transport_layer_base::~transport_layer_base): New virtual
destructor.
* include/cygwin/cygserver_transport_pipes.h
(class transport_layer_pipes): Add virtual destructor.
* cygserver_transport_pipes.cc
(transport_layer_pipes::~transport_layer_pipes): New virtual
destructor.
(transport_layer_pipes::close): Null out handle after closing.
* include/cygwin/cygserver_transport_sockets.h
(class transport_layer_sockets): Add virtual destructor.
* cygserver_transport_sockets.cc
(transport_layer_sockets::~transport_layer_sockets): New virtual
destructor.
(transport_layer_sockets::close): Null out fd after closing.
* threaded_queue.h (class queue_request): Add virtual destructor.
(queue_request::process): Make pure virtual.
* threaded_queue.cc (~queue_request): New virtual destructor.
(queue_request::process): Remove definition of pure virtual
method.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver.h (client_request::send): Make
non-virtual.
(class client_request_attach_tty): Put client- and server-specific
interfaces inside #ifdef/#ifndef __INSIDE_CYGWIN__ guards.
* cygserver_client.cc: Ditto.
(cygserver_init): Fix error handling.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc: Throughout the code, check and correct level of
the XXX_printf() functions used. Comment out several of the
debug_printf() calls with "// verbose:". Reformat and correct
typos of some of the XXX_printf() formats.
* cygserver_process.cc: Ditto.
* cygserver_shm.cc: Ditto.
* cygserver_transport_pipes.cc: Ditto.
* cygserver_transport_sockets.cc: Ditto.
* shm.cc (hi_ulong): New function to allow printing of a 64-bit
key with current small_printf implementation.
(lo_ulong): Ditto.
(client_request_shm::client_request_shm): Use hi_ulong() and
lo_ulong() in call to debug_printf().
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver_shm.cc: Remove #define __INSIDE_CYGWIN__ from around
<sys/shm.h> as it no longer contains any internal code.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/sys/ipc.h (IPC_PRIVATE): Add cast to key_t.
(IPC_INFO): New flag for ipcs(8).
(IPC_RMID IPC_SET IPC_STAT): Renumber.
* include/sys/shm.h (SHM_RDONLY SHM_RND): Renumber with distinct
values [sic].
(class _shmattach): Internal type moved to "cygserver_shm.h".
(class shmnode): Ditto.
(class shmid_ds): Ditto.
(struct shmid_ds): Add spare fields.
(struct shminfo): New type for IPC_INFO interface.
* cygserver_shm.h: Remove obsolete #if 0 ... #endif block.
(class shm_cleanup): Remove unused class.
(struct _shmattach): Internal type moved from <sys/shm.h>.
(struct shmnode): Ditto.
(struct int_shmid_ds): Ditto. Renamed to avoid name clash with
public interface struct shmid_ds. Use the shmid_bs structure as a
field.
* cygserver_shm.cc: Remove obsolete #if 0 ... #endif block.
(client_request_shm::serve): Update for redefinition of
int_shmid_ds structure.
* shm.cc (build_inprocess_shmds): Ditto.
(fixup_shms_after_fork): Ditto.
(shmctl): Ditto.
(shmget): Ditto. Remove obsolete #if 0 ... #endif code.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* include/cygwin/cygserver_transport.h
(transport_layer_base::transport_layer_base): Remove since it is
now redundant.
(transport_layer_base::listen): Make a pure virtual method.
(transport_layer_base::accept): Ditto.
(transport_layer_base::close): Ditto.
(transport_layer_base::read): Ditto.
(transport_layer_base::write): Ditto.
(transport_layer_base::connect): Ditto.
* cygserver_transport.cc
(transport_layer_base::transport_layer_base): Remove since it is
now redundant.
(transport_layer_base::listen): Remove since it is now a pure
virtual method.
(transport_layer_base::accept): Ditto.
(transport_layer_base::close): Ditto.
(transport_layer_base::read): Ditto.
(transport_layer_base::write): Ditto.
(transport_layer_base::connect): Ditto.
2002-06-16 Conrad Scott <conrad.scott@dsl.pipex.com>
* cygserver.cc (check_and_dup_handle): Only use security code if
running on NT, i.e. if wincap.has_security().
(client_request_attach_tty::serve): Add check for has_security().
* cygserver_process.cc (process_cache::process): Use DWORD winpid
throughout to avoid win32 vs. cygwin pid confusion.
(process::process): Ditto.
* cygserver_shm.cc (client_request_shm::serve): Only use security
code if running on NT, i.e. if wincap.has_security().
* cygserver_shm.h (client_request_shm::parameters.in): Replace the
ambiguous pid field with cygpid and winpid fields.
(client_request_shm::client_request_shm): Reduce to only two
client-side constructors: one for SHM_CREATE, another for all the
other requests.
* shm.cc (client_request_shm::client_request_shm):
Ditto. Initialize cygpid and winpid fields here. On NT initialize
sd_buf here using set_security_attribute() to make use of the euid
and egid.
(shmat): Use new client_request_shm constructor.
(shmdt): Ditto.
(shmctl): Ditto.
(shmget): Ditto. Remove security code, now performed in the
relevant client_request_shm constructor.
* include/cygwin/cygserver_process.h: (class cleanup_routine):
Change winpid type to DWORD.
(class process): Ditto.
2002-06-15 Conrad Scott <conrad.scott@dsl.pipex.com>
* woutsup.h: New file.
* cygserver.cc: Use "woutsup.h" and new XXX_printf macros.
(getfunc): New function, copied verbatim from "strace.cc".
(__cygserver__printf): New function.
* cygserver_client.cc: Use "woutsup.h" and new XXX_printf macros.
* cygserver_process.cc: Ditto.
* cygserver_shm.cc: Ditto.
* cygserver_transport.cc: Ditto.
* cygserver_transport_pipes.cc: Ditto.
* cygserver_transport_sockets.cc: Ditto.
* threaded_queue.cc: Ditto.
* shm.cc: Remove trailing \n from XXX_printf format strings.
* Makefile.in: Remove special __OUTSIDE_CYGWIN__ case for
cygserver_shm.cc.
(CURR_CHILD_INFO_MAGIC): Update.
(child_info::magic): Make 'long'.
* cygheap.h: Export _cygheap_start.
* cygheap.cc: Don't declare _cygheap_start.
* cygmagic: Use cksum to produce checksums. Append 'U' to end of checksum.
* dcrt0.cc (initial_env): Calculate sleep ms before reusing buffer.
(_dll_crt0): Detect cygheap mismatch as indicative of different cygwin version.
Set child_proc_info to NULL when _PROC_WHOOPS.
(multiple_cygwin_problem): If child_info specific problem, then set
child_proc_info type to _PROC_WHOOPS.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(CURR_SHARED_MAGIC): Ditto.
(vfork_save::restore_pid): New method.
(vfork_save::restore_exit): New method.
* fork.cc (vfork): Save ctty, sid, pgid and restore them when returning to
"parent". Use exitval field if exiting but never created a new process.
* syscalls.cc (setsid): Detect when in "vfork" and force an actual fork so that
pid will be allocated (UGLY!).
(getsid): New function.
* dcrt0.cc (do_exit): Use vfork_save::restore_exit method for returning from a
vfork.
* spawn.cc (spawnve): Use vfork_save::{restore_pid,restore_exit} methods for
returning from vfork.
* cygwin.din: Export getsid.
* include/cygwin/version.h: Bump api minor number.
* malloc.cc: #ifdef sYSTRIm for when MORECORE_CANNOT_TRIM is true.
* dcrt0.cc (dll_crt0_1): Just wait for signal thread to go live rather than
going through the overhead of invoking it.
* fork.cc (fork_child): Ditto.
* exceptions.cc (signal_fixup_after_fork): Call sigproc_init here.
* sigproc.cc (proc_can_be_signalled): Assume that the signal thread is live.
(sig_dispatch): Ditto.
(sig_send): Ditto.
(wait_for_sigthread): Renamed from "wait_for_me". Assume that wait_sig_inited
has been set and that this function is only called from the main thread.
* winsup.h (wait_for_sigthread): Declare new function.
warning.
* shared.cc (memory_init): Remove debug_init call.
* debug.h (handle_list): Change "clexec" to "inherited".
* debug.cc: Remove a spurious declaration.
(setclexec): Conditionalize away since it is currently unused.
(add_handle): Use inherited field rather than clexec.
(debug_fixup_after_fork_exec): Ditto. Move debugging output to delete_handle.
(delete_handle): Add debugging output.
* fhandler.cc (fhandler_base::set_inheritance): Don't bother setting
inheritance in debugging table since the handle was never protected anyway.
(fhandler_base::fork_fixup): Ditto.
* exceptions.cc (debugger_command): Revert.
set up.
(break_here): New function, for debugging.
(initial_env): Add program name to "Sleeping" message. Implement new
"CYGWIN_DEBUG" environment variable option.
* exceptions.cc (debugger_command): Add argument to dumper call.
* strace.cc (strace::hello): Use winpid if cygwin pid is unavailable.
(strace::vsprntf): Ditto.
functionality.
* cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk.
(_csbrk): Reorganize to not assume first allocation is <= 1 page.
(cygheap_setup_for_child): Mark protected handle as inheritable.
* cygheap.h (cygheap_debug): New struct.
(init_cygheap): Add new structure when debugging.
* dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if
appropriate. Don't protect subproc_ready, since it is already protected in the
parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set
up. Call debug_fixup_after_fork_exec when appropriate.
(_dll_crt0): Don't close ppid_handle here.
* debug.cc: Use cygheap debug structure rather than static elements throughout.
(add_handle): Don't issue a warning if attempt to protect handle in exactly the
same way from exactly the same place. Add pid info to warning output. Accept
additional argument controlling whether handle is to be inherited. Add pid to
stored information.
(debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize
to avoid erroneously skipping handles.
(mark_closed): Add pid info to warning output.
(setclexec): Rename from setclexec_pid.
* fhandler.cc (fhandler_base::get_default_fmode): Minor reorg.
(fhandler_base::fstat): Add debugging output.
(fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid.
(fhandler_base::fork_fixup): Ditto.
* fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* tty.cc (tty::make_pipes): Ditto.
(tty::common_init): Ditto.
* fork.cc (fork_parent): Ditto.
(fork_child): Close protected handles with correct name. Remove
debug_fixup_after_fork call.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected
handle as inheritable/non-inheritable, as appropriate.
* shared.cc (memory_init): Mark protected handle as inheritable. Call
debug_init here.
* sigproc.cc (wait_sig): Close protected handle with correct name.
* spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as
inheritable.
* exceptions.cc (debugger_command): Try to run dumper.exe, if found.
* syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path
is already resolved.
* path.h (path_conv::[]): New operator.
* syscalls.cc (_link): Use path_conv operators rather than methods, where
appropriate. Minor white space cleanup.
* include/cygwin/version.h: Bump DLL minor number.
* dcrt0.cc (sm): Make NO_COPY.
(cygheap_user::set_domain): Ditto.
* cygheap.h (cygheap_user::set_logsrv): Remove declaration.
(cygheap_user::set_domain): Ditto.
(cygheap_user::env_domain): Declare new method.
(cygheap_user::env_name): Ditto.
* environ.cc (spenvs): Add two environment variables.
* spawn.cc (spawn_guts): Call build_env after RevertToSelf. Always set
ciresrv.mount_h.
(cygheap_user::ontherange): Recalculate homedrive/homepath if they are empty.
Use env_logsrv to get logon server.
(cygheap_user::env_logsrv): Calculate server name here rather than relying on
it having been previously calculated.
(cygheap_user::env_domain): Ditto for domain name.
(cygheap-user::env_name): New method.
* syscalls.cc (seteuid32): Do not get or set the environment. Do not call
LookupAccountSid nor internal_getlogin. Set cygheap->user name and sid from
the passwd entry.
* uinfo.cc (uinfo_init): Only call internal_getlogin when starting from a non
Cygwin process and use the values returned in user.
(internal_getlogin): Simplify to case where starting from a non Cygwin process.
Store return values in user and return void. Do not set the Windows default
environment.
* dcrt0.cc (dll_crt0_1): Call uinfo_init only when needed. Do not set
myself->uid nor reset user.sid.
* spawn.cc (spawn_guts): Get the sid from cygheap->user. Always
RevertToSelf(). Don't set uid in impersonated case.
* cygheap.cc (cygheap_user::set_sid): Do not set orig_sig.
(cygheap_user::set_orig_sid): New.
* cygheap.h: Declare cygheap_user::set_sid.
* winsup.h: Add argument to uinfo_init().
global ctors.
* wincap.h (wincap): Eliminate constructor. Default is to zero memory, anyway.
* wincap.cc (wincap): Copy this on fork to avoid initialization in forked
processes.
where appropriate, throughout. Remove unneeded exceptions.h, where
appropriate, throughout. Remove unneeded perprocess.h, where appropriate,
throughout.
* Merged cygwin_daemon into head minus the new shm and ipc exports.
2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* fhandler_tty.cc (fhandler_tty_slave::open): More debugging.
(fhandler_tty_slave::read): Fix printf type for the handle.
* tty.cc (tty::common_init): Add a FIXME for security.
2002-01-29 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in (OBJS): Remove duplicate localtime.o.
2002-01-17 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (check_and_dup_handle): Consolidate the two variants for
simplicity.
Add Some basic debug output.
(client_request_attach_tty::serve): Use the new debug_printf for clarity.
Mark the duplicated handles as inheritable - fixup_after_fork() doesn't reopen
tty's.
2002-01-16 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (transport): Correct scope.
(client_request_attach_tty::serve): Add more debug information.
Fix erroneous use of transport instead of conn.
* cygserver_transport_pipes.cc (transport_layer_pipes::close): More debug.
(transport_layer_pipes::read): Ditto.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::impersonate_client): Ditto.
Mon Oct 8 7:41:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (server_request::process): Rename client_request_shm_get to
client_request_shm.
* cygserver_process.cc (process_cache::add): Rename to add_task.
Use process_cleanup instead of process_request.
(process_cache::remove_process): New method.
(process::process): Initialize new members.
(process::~process): New member.
(process::cleanup): New method.
(process::add_cleanup_routine): New method.
(process_request::process): Rename to process_cleanup.
Call the process object's cleanup method and then delete it.
(process_process_param::request_loop): Remove the signalling process.
* cygserver_shm.cc: Globally rename client_request_shm_get to client_request_shm.
(client_request_shm_get::serve): Handle attach request counting.
* cygserver_shm.h: Globally rename client_request_shm_get to client_request_shm.
(class shm_cleanup): New class.
* shm.cc: Globally rename client_request_shm_get to client_request_shm.
(client_request_shm::client_request_shm): New constructor for attach requests.
(shmat): Use it.
* include/cygwin/cygserver_process.h (class process_request): Rename to
process_cleanup.
(class cleanup_routine): New class.
(class process): New members and methods to allow calling back when the process
terminates.
Thu Oct 4 14:12:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (request_loop): Make static.
(main): Use new cache constructor syntax.
Start cache worker threads.
Cleanup the cache at shutdown.
* cygserver_process.cc: Run indent.
(process_cache::process_cache): Add a trigger to use when adding a process.
(process_cache::process): Move process_entry to process.
Insert at the end of the list.
Trigger the request loop when new process's inserted.
(process_cache::process_requests): Do it.
(process_cache::add): New method.
(process_cache::handle_snapshot): New method.
(process::process): Merge in the process_entry fields.
(process::handle): Make a stub function.
(process::exit_code): New method.
(process_request::process): New method.
(process_process_param::request_loop): New method.
* cygserver_shm.cc: New header dependency - threaded_queue.h.
* threaded_queue.cc (threaded_queue::cleanup): Clearer messages.
(queue_process_param::stop): Short spinlock on interruptible threads.
* threaded_queue.h (class threaded_queue): New constructor.
* include/cygwin/cygserver_process.h (process_request): New class.
(process_entry): Remove.
(process): Merge in process_entry.
(process_cache): Inherit from threaded_queue.
Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (class server_process_param): Use new constructor syntax.
* cygserver_process.cc (process_cache::~process_cache): New function.
* threaded_queue.cc: Define condition debug_printf.
Run indent.
(threaded_queue::cleanup): Move queue_process_param guts to a method.
(threaded_queue::process_requests): Ditto.
(queue_process_param::queue_process_param): New method.
(queue_process_param::~queue_process_param): Ditto.
(queue_process_param::start): Ditto.
(queue_process_param::stop): Ditto.
* threaded_queue.h (class queue_process_param): Add support for
interruptible request loops.
* cygwin/include/cygwin/cygserver_process.h (class process_cache): Add
destructor.
Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver_client.cc: New flag allow_daemon to disable the daemon completely.
(cygserver_request): Check it.
(cygserver_init): Ditto.
* environ.cc (parse_thing): Add (no)daemon option.
Tue Oct 2 23:00:00 2001 Robert Collins <rbtcollins@hotmail.com>
* shm.cc: Update to handle include changes from HEAD.
Tue Oct 2 16:06:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Remove cygserver_shm.o from cygwin1.dll.
Rename cygserver_shm_outside.o to cygserver_shm.o.
* cygserver.cc (server_request::process): Use the new client_request
constructor.
* cygserver_client.cc: Remove the #ifdef's stubs for the server method
within cygwin.
(client_request_attach_tty::client_request_attach_tty): Use the new
client_request constructor.
(client_request_shutdown::client_request_shutdown): Ditto.
(client_request::client_request): Ditto.
* cygserver_shm.cc (client_request_shm_get::serve): Remove the
#ifdef'd stub for in-cygwin builds.
(client_request_shm_get::client_request_shm_get): Use the new
client_request constructor, and remove the in-cygwin variants.
* cygserver_shm.h (class client_request_shm_get): #ifndef test the
serve method - it's only used in cygserver.
* shm.cc (client_request_shm_get::client_request_shm_get): New function.
* include/cygwin/cygserver.h (request_header): New constructor.
(class client_request): Use it.
New constructor accepting the header size.
#ifndef test the server method - it's only used within cygserver.
(client_request_get_version): #ifdef test the server method.
(client_request_shutdown): Ditto.
(client_request_attach_tty): Ditto.
Tue Oct 2 9:57:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: add threaded_queue.o to cygserver.exe.
* cygserver.cc: Include threaded_queue.h
(class server_request): Inherit from queue_request.
(class server_process_param): Inherit from queue_process_param.
(class server_request_queue): Inherit from threaded_queue.
(request_loop): Adjust for new types.
(server_request_queue::process_requests): Remove guts to
threaded_queue::process_requests.
(server_request::server_request): Adjust for new types.
(worker_function): Delete.
(server_request_queue::create_workers): Delete.
(server_request_queue::cleanup): Delete.
(server_request_queue::add): Move guts to threaded_queue::add.
* threaded_queue.cc: New file.
* threaded_queue.h: New file.
Mon Oct 1 12:38:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (client_request::serve): New function.
* cygserver_process.cc: Inlude <pthread.h> for pthread_once.
(process_cache::process_cache): Initialise a crtiical section for write access.
(process_cache::process): Use the critical section. Also add missing entries to
the cache.
(do_process_init): New function to initalise class process static variables.
(process::process): Ensure that the process access critical section is
initialised.
(process::handle): Close the handle of old process's when they have terminated
and we are returning the handle for a process with the same pid.
* cygserver_shm.cc: Run indent.
Include cygserver_process.h to allow process cache functionality.
(client_request_shm_get::serve): New parameter for process cache support.
Use the process cache, not OpenProcess to get a handle to the originating process.
Fix a handle leak with token_handle.
* cygserver_shm.h (class client_request_shm_get): Update ::serve for process
cache support.
* cygserver_transport_pipes.cc: Redefine debug_printf to be conditional on DEBUG.
* include/cygwin/cygserver.h: Do not implement client_request::serve in the
header.
* include/cygwin/cygserver_process.h (class process_cache): Add a write access
critical section to prevent races when requests from a multithreaded
application arrive.
Sun Sep 30 23:41:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Add cygserver_process.o to cygserver.exe.
* cygserver.cc: Include signal.h and cygwin_version.h.
Define debug_printf as a macro.
Define DEBUG to a value.
(client_request_attach_tty::serve): Add beginning of process cache support.
Change from #ifdef DEBUG to work with new DEBUG style.
(client_request_get_version::serve): Add beginning of process cache support.
(class server_request): New prototype for support of process cache.
(class queue_process_param): New class to allow request loop threading.
(class server_request_queue): Add beginning of process cache support.
Allow request loop threading.
(request_loop): Thread function for request loops.
(server_request_queue::process_requests): Initiator for threaded request loops.
(client_request_shutdown::serve): Add beginning of process cache support.
(server_request::server_request): Ditto.
(server_request::process): Use debug_printf. Add beginning of process cache
support.
(server_request_queue::cleanup): Kill off any request loop threads.
(server_request_queue::add): Add beginning of process cache support.
(handle_signal): Trigger a shutdown.
(main): Print out some useful info at startup - version, date time.
Add process cache support.
Spawn a separate thread for the transport request loop, thus allowing concurrent
support for multiple transports.
* cygserver_client.cc (client_request_get_version::serve): Add process cache
support.
(client_request_attach_tty::serve): Add process cache support.
(client_request_shutdown::serve): Add process cache support.
* cygsserver_process.cc: New file with the process cache support.
* cygserver_shm.cc: Redefine debug_printf to allow conditional output.
* cygwin.din: Export shmdt().
* shm.cc: Run indent.
Update FIXME's.
(shmdt): New function.
* include/cygwin/cygserver.h (class client_request): Add process cache support.
(class client_request_get_version): Ditto.
(class client_request_shutdown): Ditto.
(class client_request_attach_tty): Ditto.
* include/cygwin/cygserver_process.h: New header for process cache support.
Sun Sep 30 8:52:00 2001 Robert Collins <rbtcollins@hotmail.com>
* include/cygwin/cygserver_transport.h: Add copyright header.
* include/cygwin/cygserver_transport_pipes.h: Ditto.
* include/cygwin/cygserver_transport_sockets.h: Ditto.
Sat Sep 29 20:40:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Add cygserver_transport_sockets.o to DLL_OFILES.
Add cygserver_transport_sockets_outside.o to cygserver.exe.
* cygserver.cc: Include new include files.
* cygserver_client.cc: Ditto.
* cygserver_shm.h: No need to include <sys/socket.h> now.
* cygerver_transport.cc: Include new include files.
(transport_layer_base::transport_layer_base): Strip back to a stub.
(transport_layer_base::listen): Ditto.
(transport_layer_base::accept): Ditto.
(transport_layer_base::close): Ditto.
(transport_layer_base::read): Ditto.
(transport_layer_base::write): Ditto.
(transport_layer_base::connect): Ditto.
* cygserver_transport_pipes.cc: Include new header
"cygwin/cygserver_transport_pipes.h".
* cygserver_transport_sockets.cc: New file.
* dcrt0.cc: No need to include <sys/socket.h> now.
* fhandler_tty.cc: Ditto.
* tty.cc: Ditto.
* include/cygwin/cygserver_transport.h: Strip the base class to a stub.
Remove the cygserver_transport_pipes class.
* include/cygwin/cygserver_transport_pipes.h: New file.
* include/cygwin/cygserver_transport_sockets.h: New file.
Tue Sep 25 16:22:00 2001 Robert Collins <rbtcollins@hotmail.com>
* autoload.cc: Add dynamic load statement for 'ImpersonateNamedPipeClient'.
* Makefile.in: Add new object files, and build instructions for cygserver.exe.
* cygwin.din: Export ftok, shmat, shmctl and shmget.
* dcrt0.cc: Additional includes for cygserver support.
(dll_crt0_1): Initialise the cygserver client.
* fhandler.h (fhandler_tty): New method cygserver_attach_tty.
* fhandler_tty.cc: Additional includes for cygserver support.
(fhandler_tty_slave::open): Attempt to use the cygserver when obtaining
handles from the parent process. On failure or 9x use the current method.
(fhandler_tty_slave::cygserver_attach_tty): New function.
* fork.cc (fork_child): Fixup shm memory mapped areas.
* pinfo.h: Declare fixup_shms_after_fork().
* security.h: Declare alloc_sd().
* tty.cc: Additonal includes to support cygserver.
(tty::common_init): Don't allow others to open us if the cygserver is running.
* winsup.h: Declare cygserver_running.
* cygserver.cc: New file.
* cygserver_client.cc: New file.
* cygserver_shm.cc: New file.
* cygserver_shm.h: New file.
* cygserver_transport.cc: New file.
* cygserver_transport_pipes.cc: New file.
* ipc.cc: New file.
* shm.cc: New file.
* include/cygwin/cygserver.h: New file.
* include/cygwin/cygserver_transport.h: New file.
* include/sys/ipc.h: New file.
* include/sys/shm.h: New file.
2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* thread.cc (semaphore::TryWait): Set errno as required by posix 1003.1.
(__sem_wait): Ditto.
(__sem_trywait): Ditto.
muto. Use this argument to construct static storage.
* cygheap.cc (cygheap_init): Reflect above change.
* exceptions.cc (events_init): Ditto.
* malloc.cc (malloc_init): Ditto.
* path.cc (cwdstuff::init): Ditto.
* cygheap.h (cwdstuff): Change name of lock element to make it less generic.
* path.cc (cwdstuff::get_hash): Ditto.
(cwdstuff::get_initial): Ditto.
(cwdstuff::set): Ditto.
(cwdstuff::get): Ditto.
* sigproc.cc (proc_subproc): Ditto.
* debug.cc (lock_debug): Change to method. Use method rather than macro
throughout.
* tty.h (tty_min::kill_pgrp): Declare new method.
* fhandler_termios.cc (tty_min::kill_pgrp): New method.
(fhandler_termios::line_edit): Use new method for killing process.
* dcrt0.cc (do_exit): Ditto.
* dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info
from a debugger.
* tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if
appropriate. # dtable.cc (dtable::stdio_init): Make this a method.
(dtable::init_std_file_from_handle): Don't set fd unless it's not open.
(dtable::build_fhandler_from_name): Move name setting to
dtable::build_fhandler.
(dtable::build_fhandler): Add win32 name parameter.
* dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init.
* dtable.h (dtable): Reflect build_fhandler parameter change.
* mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler.
* net.cc (fdsock): Remove set_name call since it is now handled by
build_fhandler.
* sigproc.cc (proc_subproc): Release muto as early as possible.
(ctrl_c_handler): Attempt to work around potential signal duplication during
process startup.
(sig_handle): Ignore SIGINT when we're just an "exec stub".
* spawn.cc (spawn_guts): Store pid of spawned process in global for use by
ctrl_c_handler.
* dcrt0.cc (dll_crt0_1): Call renamed initialization function.
* winsup.h: Reflect function name change.
Christopher Faylor
Corinna Vinschen
Robert Collins
Pierre Humblet
Thomas Pfaff
Conrad Scott