* cygserver_shm.cc: Run indent.
(deleted_head): New global for storing shm id's pending deletion.
(client_request_shm::serve): Return ENOSYS for invalid request types.
Implement SHM_DEL - delete a shm id.
* cygserver_shm.h (SHM_DEL): New type value.
* shm.cc (delete_inprocess_shmds): New function, does what it's name implies.
(shmctl): Implement shm_rmid control type.
* 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.
inheritance/permission.
* spawn.cc (spawn_guts): Ditto.
* security.cc (create_token): Initialize token so that it is not tested for
bogus value later. Use sec_user to control process/thread creation.
* security.h (__sec_user): Rename declaration from sec_user.
(sec_user_nih): Declare here as inline function wrapper for __sec_user.
(sec_user): Ditto.
* sigproc.cc (czombies): Allocate a character array for zombies to avoid
constructor overhead
(extremely hackish, I know).
(cpchildren): Ditto.
(pchildren): New define.
(zombies): Ditto.
(getsem): Use sec_user_nih to control semaphore inheritance/permission.
* 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.
required to allow use of some things from user loaded DLL.
(CW_STRACE_ON): Add new feature.
(CW_CYGWIN_PID_TO_WINPID): Ditto.
* pinfo.cc (set_myself): Call "strace.hello" to initiate possible strace
session.
(pinfo::init): Guard against dereferencing uninitialized myself.
* sigproc.cc (wait_sig): Call strace.hello() when __SIGTRACE "signal" received.
* strace.cc (strace::hello): New method.
* wincap.cc (wincapc::init): Avoid initializing if already initialized.
* wincap.h (wincapc::wincapc): New method.
* include/sys/cygwin.h: Add new CW_ enums. Kludge typedefs of {g,u}id_t if
required.
* strace.h (strace::hello): Declare new method.
signal came from this process or not.
* sigproc.h: Reflect sig_handle arg change.
* signal.cc (kill_pgrp): Add sigframe info.
(abort): New function. Eliminates newlib function of same name.
* sigproc.cc (wait_sig): Pass "signal from this process" value as arg 2.
(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.
* include/sys/ioctl.h: Ditto in declaration.
* dtable.cc (dtable::init_std_file_from_handle): Revert previous
bogus patch.
* window.cc (WndProc): Raise SIGURG instead of SIGIO in case of FD_OOB
message.
(fhandler_socket::set_sun_path): New method.
(fhandler_socket::get_sun_path): Ditto.
* fhandler_socket.cc (fhandler_socket::fhandler_socket): Initialize
sun_path to NULL.
(fhandler_socket::~fhandler_socket): Free sun_path if needed.
(fhandler_socket::set_sun_path): New method.
* net.cc (cygwin_bind): Set sun_path to path of local socket file.
(cygwin_getsockname): Add code to return correct sockaddr for unix
domain sockets.
* Makefile.in: Create library versions of automode.o, textmode.o, and binmode.o
for easier use on command line. Create libpthread.a, libm.a, and libc.a with
subsets of exports found in libcygwin.a.
* dcrt0.cc (_dll_crt0): Check for changes in child_info size.
(multiple_cygwin_problem): Avoid "proc" errors when testing. Just assume new
cygwin proc.
* shared_info.h (mount_info): Add 'cb' element for sanity checks.
(shared_info): Ditto.
* child_info.h (child_info): Add fhandler_union_size element for sanity
checking.
* shared.cc (open_shared): Detect shared region size mismatch between parent
and child.
(shared_info::initialize): Detect shared region size mismatch with expectation.
(memory_Init): Ditto.
* sigproc.cc (init_child_info): Correctly set cb in passed structure.
* shared.cc (open_shared):
* thread.cc (pthread_cond::Signal): Use a separate flag for signal detection
and broadcast semantics.
(__pthread_cond_dowait): Ditto.
* thread.h (pthread_cond): New flag for testing when a waiter has woken.
Force dependencies for files which depend on autogenerated headers to ensure
that they are always built.
* child_info.h (child_info): Add new fields to accommodate new magic number
header stuff.
* dcrt0.cc: Rely on "child_info_magic.h" to ensure that correct child_info
magic numbers are used.
(dll_crt0_1): Temporarily remove _cygwin_testing_magic test.
(_dll_crt0): Do more testing on magic numbers from fork_info structure. Call
"multiple_cygwin_problem" where appropriate.
(multiple_cygwin_problem): Rename from multiple_cygwin_die. Issue a warning or
die, as appropriate based on cygwin version/magic number mismatch.
* pinfo.cc (pinfo::exit): Don't attempt to dereference `this' if it doesn't
exist. This can happen when a fatal error occurs early in process
initialization.
* shared.cc: Rely on "shared_info_magic.h" to accommodate that new magic number
header stuff.
(shared_info::initialize): Use new magic number stuff, for shared region.
(memory_init): Ditto, for mount table.
* shared_info.h: Accomodate new magic number stuff for shared region and mount
table.
* sigproc.cc: Rely on "child_info_magic.h" to accommodate new magic number
header stuff.
(init_child_info): Initialize new fields in child_info) to accomodate magic
numbers.
* winsup.h: Rename multiple_cygwin_die to multiple_cygwin_problem.
* include/cygwin/version.h: Define macros for manipulating version magic.
* cygmagic: New shell script for generating magic numbers.
Christopher Faylor
Corinna Vinschen
Robert Collins