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.
(lutimes): Export.
* times.cc (utimes_worker): Created from utimes, add nofollow flag
to implement utimes and lutimes.
(utimes): Just call utimes_worker.
(lutimes): New function.
(futimes): Ditto.
* include/cygwin/version.h: Bump API minor version.
everywhere. Leave some thread.cc stuff alone for now.
* cygtls.h: Kludge some definitions to avoid including a problematic windows
header.
(_cygtls::_myfault): New entry.
(_cygtls::_myfault_errno): Ditto.
(_cygtls::fault_guarded): New function.
(_cygtls::setup_fault): Ditto.
(_cygtls::return_from_fault): Ditto.
(_cygtls::clear_fault): Ditto.
(myfault): New class.
* exceptions.cc (handle_exceptions): Handle case of guarded fault in system
routine.
* gendef: Add another entry point for setjmp that the compiler doesn't know
about and won't complain about.
* gentls_offsets: Just include windows.h rather than kludging a HANDLE def.
* miscfuncs.cc (check_null_str): Delete.
(check_null_empty_str): Ditto.
(check_null_empty_str_errno): Ditto.
(check_null_str_errno): Ditto.
(__check_null_invalid_struct): Ditto.
(__check_null_invalid_struct_errno): Ditto.
(__check_invalid_read_ptr): Ditto.
(__check_invalid_read_ptr_errno): Ditto.
(dummytest): New function.
(check_iovec_for_read): Delete.
(chec_iovec): Rename from check_iovec_for_write. Take a read/write parameter.
* tlsoffsets.h: Regenerate.
* winsup.h: Remove check_* declarations.
(check_iovec_for_read): Delete declaration. Turn into a define instead.
(check_iovec_for_write): Ditto.
(check_iovec): New declaration.
* thread.h: Use ifdef guard name consistent with other header files.
(fhandler_base::status.query_open): Add a bit to make room for more
states.
(class fhandler_base): Declare new method utimes.
(class fhandler_socket): Ditto.
(class fhandler_disk_file): Ditto.
(fhandler_disk_file::fhandler_disk_file): Add constructor with
path_conv parameter.
* fhandler.cc (fhandler_base::open): Add query_write_attributes
handling.
(fhandler_base::utimes): New method.
* fhandler_disk_file.cc (fhandler_disk_file::link): Simplify.
Open file with query_write_attributes instead of query_write_control.
(fhandler_disk_file::utimes): New method.
(fhandler_disk_file::fhandler_disk_file): Add constructor with
path_conv parameter setting pc member immediately.
* fhandler_socket.cc (fhandler_socket::fchmod): Use new
fhandler_disk_file constructor.
(fhandler_socket::fchown): Ditto.
(fhandler_socket::facl): Ditto.
(fhandler_socket::link): Ditto.
(fhandler_socket::utimes): New method.
* times.cc: Include dtable.h.
(timeval_to_filetime): Make non-static.
(utimes): Move functionality into fhandler method utimes. Just call
this method from here.
* winsup.h: Simplify declarations of time helper functions.
(timeval_to_filetime): Add extern declaration.
* 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.
* 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.
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.
* 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.
resolution. Fix test for negative remainder. Use timeGetTime through gtod.
(sleep): Round up return value. Christopher Faylor <cgf@redhat.com>
* hires.h (HIRES_DELAY_MAX): Define.
(hires_ms::minperiod): Declare static.
(hires_ms::resolution): New.
(hires_ms::dmsecs): New.
(hires_ms::prime): Return UINT.
(gtod): Declare.
* times.cc (hires_ms::prime): Always calculate minperiod and set it to 1 in
case of failure. Return minperiod.
(hires_ms::resolution): Define.
(hires_ms::~hires_ms): Delete.
(hires_ms::usecs): Check minperiod to prime.
(gtod) Define as global.
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.
* 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.
already taken care of that.
* fhandler_console.cc (fhandler_console::open): Initialize handles to NULL.
(fhandler_console::close): Ditto. GNUify non-GNU formatted functions calls
throughout.
(timeGetTime): Ditto.
(timeBeginPeriod): Ditto.
(timeEndPeriod): Ditto.
* hires.h (hires_base): New class. Renamed from hires.
(hires_us): New class.
(hires_ms): New class.
* strace.cc (strace::microseconds): Use hires_us class.
* times.cc (gettimeofday): Use hires-ms class.
(hires_us::prime): Renamed from hires::prime.
(hires_us::usecs): Renamed from hires:usecs.
(hires_ms::prime): New method.
(hires_ms::usecs): New method.
(hires_ms::~hires_ms): New destructor.
st_atim, st_mtim, and st_ctim fields.
* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Ditto.
* fhandler_process.cc (fhandler_process::fstat): Ditto.
* glob.c (stat32_to_STAT): Copy across the whole st_atim,
st_mtime, and st_ctim fields.
* syscalls.cc (stat64_to_stat32): Ditto.
* times.cc (to_timestruc_t): New function.
(time_as_timestruc_t): New function.
* winsup.h: Add to_timestruc_t and time_as_timestruc_t functions.
* include/cygwin/stat.h: Replace time_t with timestruc_t
throughout for all file times, removing the st_spare1, st_spare2,
and st_spare3 fields in the process. Add macros to access tv_sec
fields by old names.
* include/cygwin/types.h: Typedef timespec_t and timestruc_t as
struct timespec.
* path.cc (get_devn): Only consider first 99 potential com devices.
(get_device_number): Ditto.
* times.cc (_times): Eliminate.
(_times): Renamed from times().
* fhandler.h (fhandler_proc::fill_filebuf): Take a pinfo argument.
* fhandler_proc.cc (fhandler_proc::get_proc_fhandler): Simplify search for
given pid.
(fhandler_proc::readdir): Assume that pid exists if it shows up in the winpid
list.
* fhandler_process.cc (fhandler_process::open): Simplify search for given pid.
Call fill_filebuf with pinfo argument.
(fhandler_process::fill_filebuf): Pass pinfo here and assume that it exists.
* pinfo.h (pinfo::remember): Define differently if sigproc.h is not included.
* dll_init.cc (dll_list::detach): Don't run destructor on exit.
where appropriate, throughout. Remove unneeded exceptions.h, where
appropriate, throughout. Remove unneeded perprocess.h, where appropriate,
throughout.
* uinfo.cc (uinfo_init): Use more robust method for determining if process was
invoked from a non-cygwin process.
* sync.h (muto::init): Eliminate "inheritance" parameter.
(new_muto): Reflect removal of parameter.
* sync.cc (muto::init): Ditto.
* cygheap.cc (cygheap_init): Ditto.
* debug.cc (threadname_init): Ditto.
* exceptions.cc (events_init): Ditto.
* malloc.cc (malloc_init): Ditto.
* path.cc (cwdstuff::init): Ditto.
* sigproc.cc (sigproc_init): Ditto.
* grp.cc (group_lock): Use different method for locking with static member.
(read_etc_group): REALLY ensure that read lock mutex is released.
* passwd.cc (passwd_lock): Use different method for locking with static member.
(read_etc_passwd): REALLY ensure that read lock mutex is released.
* shared.cc (sec_user): Correct reversed inheritance test.
* strace.cc (strace::microseconds): Use hires class for calculating times.
* sync.h (new_muto): Use NO_COPY explicitly in declaration.
* times.cc (gettimeofday): Reflect change in usecs argument.
(hires::usecs): Ditto. Changed name from utime.
* winsup.h (NO_COPY): Add nocommon attribute to force setting aside space for
variable.
* regcomp.c (REQUIRE): Add a void cast to bypass a warning.
a failure.
* times.cc (utimes): On NTFS with ntsec ON, change the file's
security descriptor temporarily to acquire write access if
opening the file failed.
* dcrt0.cc (set_os_type): Set 'iswinnt' appropriately.
* cygheap.cc (init_cheap): Revert to using VirtualAlloc for allocating cygheap.
(cygheap_setup_for_child_cleanup): New function. Standard function to call
after calling CreateProcess to cleanup cygheap info passed to child.
(cygheap_fixup_in_child): Copy cygheap from shared memory into allocated space
under Windows 9x or if can't relocate shared space under NT.
* cygheap.h: Declare new function.
* spawn.cc (spawn_guts): Use cygheap_fixup_in_child.
* fork.cc (fork_parent): Ditto.
* winsup.h: Declare iswinnt.
fhandler.h.
* fhandler.h (fhandler_base::get_inheritance): New method.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Use proper
close-on-exec inheritance when creating.
(fhandler_socket::check_peer_secret_event): Create handle as non-inheritable.
element.
* path.cc (mount_info::getmntent): Report "/cygdrive" drives when mounted
drives are exhausted.
(fillout_mntent): New function.
(mount_item::getmntent): Use fillout_mntent.
(cygdrives_mntent): New function. Returns next available "/cygdrive".
(setmntent): Initialize available "/cygdrives".
* syscalls.cc: Remove some if 0'ed code.
* times.cc (timezone): Use more descriptive variable name.
* dcrt0.cc (dll_crt0_1): Call signal_fixup_after_exec where appropriate. Set
myself->uid from parent version. Just use ThreadItem Init method. Close or
store hexec_proc as appropriate.
(_dll_crt0): Store user_data->forkee here so that proper tests can be made
subsequently.
(do_exit): Remove hExeced stuff.
* environ.cc (environ_init): Accept environ count as well as environ pointer.
* environ.h: Reflect above change.
* pinfo.cc (pinfo_init): Ditto. Accept environ count.
(fixup_in_spawned_child): Remove.
* spawn.cc (spawn_guts): Move signal code to dll_crt0_1. Don't suspend execing
process since it is no longer necessary. Store envc.
* exceptions.cc (signal_fixup_after_exec): New function.
(call_handler): Remove hExeced test.
* child_info.h (cygheap_exec_info): Store envc as well as envp.
(child_info_spawn): Store hexec_proc so that it can be closed in child.
* path.cc (normalize_posix_path): Avoid intermediate use of temporary cwd buf.
(normalize_win32_path): Ditto.
(cwdstuff::get_initial): Always set lock.
* sigproc.h: Remove hExeced.
* strace.cc (strace::vsprntf): Modify to accomodate for lack of hExeced.
* thread.cc (MTinterface::Init): Merge Init1 and ClearReent into this method.
(MTinterface::Init1): Eliminate.
(MTinterface::ClearReent): Eliminate.
* thread.h: Reflect above changes.
* include/sys/strace.h (strace): Make microseconds() public. Make various
functions 'regparm', throughout.
* pinfo.h (_pinfo): Inline simple signal manipulation functions. Requires
inclusion of thread.h which was removed from .cc files, where appropriate.
throughout.
* pinfo.cc: Eliminate signal manipulation functions.
(_pinfo::exit): Calculate total rusage for exiting process here.
* cygheap.cc (size2bucket): Eliminate.
(init_buckets): Ditto.
(_cmalloc): Calculate size and bits in a loop rather than going through a
function call.
(_crealloc): Use stored array index to calculate allocated size.
* spawn.cc (spawn_guts): Use _pinfo exit method to exit, calculating cpu usage.
throughout.
* shared.h: Remove.
* cygwin_version.h: New file.
* delqueue.h: New file.
* environ.h: New file.
* host_dependent.h: New file.
* perprocess.h: New file.
* registry.h: New file.
* security.h: New file.
required.
* errno.cc: Use DWORD to hold Windows errors.
(geterrno_from_win_error): New function.
(seterrno_from_win_error): Use geterrno_from_win_error to convert supplied
windows error (suggested by Corinna Vinschen).
* path.cc (symlink_info): Add error element.
* path.cc (path_conv::check): Remove errno setting. Use new symlink_info errno
element to set path_conv error, where appropriate.
(symlink_info::check): Set error element rather than attempting to manipulate
errno. Add more checks for trailing / and /.. even though they are currently
useless. Avoid setting EINVAL.
* path.cc (normalize_posix_path): Correct check for trailing /.
* *.cc: put winsup.h before other headers (for __INSIDE_CYGWIN__);
use cur_environ() instead of just environ
* times.cc: remove import protections
* glob.c: add winsup.h
* localtime.c: ditto
* smallprint.c: ditto
* Makefile.in: don't __INSIDE_CYGWIN__ as it messes up profiling.
Christopher Faylor
Corinna Vinschen
Egor Duda
DJ Delorie