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* * sigproc.cc (wait_sig): Ensure that waiting threads are awoken after returningChristopher Faylor2004-09-121-8/+16
| | | | from a hold condition.
* * exceptions.cc: (ctrl_c_handler): Do nothing while a Cygwin subprocess isChristopher Faylor2004-09-121-2/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* * path.cc (chdir): Always use the normalized_path as posix_cwd, except if itChristopher Faylor2004-05-281-2/+2
| | | | | | starts with a drive. Also perform whitespace cleanup.
* * sigproc.cc (wait_sig): Make sure that SIGCHLD is handled regardless ofChristopher Faylor2004-03-261-7/+10
| | | | whether a signal is queued.
* * sigproc.cc (wait_sig): Report if not trying to send signal due to queuedChristopher Faylor2004-03-261-1/+3
| | | | signal.
* * path.cc (normalize_posix_path): Reorganize to short circuit to DOS pathChristopher Faylor2004-03-251-43/+31
| | | | | | | | | | handling whenever a '\' is detected. * signal.cc (sigaction): Make strace output more informative. * sigproc.cc (pending_signals::add): Just index directly into signal array rather than treating the array as a heap. (pending_signals::del): Ditto. (wait_sig): Don't send signal if we already have a similar signal queued. * sigproc.h (call_signal_handler_now): Remove obsolete declaration.
* * sigproc.cc (proc_terminate): Release sync_proc_subproc when done terminatingChristopher Faylor2004-03-161-1/+2
| | | | | or suffer potential hangs. (get_proc_lock): Reorganize debugging output slightly.
* * cygtls.cc (_cygtls::remove): Call remove_wq even when we can't necessarilyChristopher Faylor2004-03-151-11/+12
| | | | | | | | get the cygtls table lock. * cygtls.h (_cygtls::remove_wq): Add wait argument. * sigproc.cc (_cygtls::remove_wq): Honor wait argument when acquiring lock. (proc_terminate): Don't NULL sync_proc_subproc since other threads may still try to access it.
* * cygtls.cc (_cygtls::remove): Call remove_wq to ensure that wait stuff isChristopher Faylor2004-03-141-1/+16
| | | | | | | | | removed from proc_subproc linked list. * cygtls.h (_cygtls::remove_wq): Declare. * sigproc.cc (_cygtls::remove_wq): Define. (proc_subproc): Label event handle appropriately. * spawn.cc (spawn_guts): Return -1 when wait() fails for spawn types that require waiting.
* * cygtls.h (waitq): Declare structure here.Christopher Faylor2004-03-121-13/+0
| | | | | | | | | | | | | | | | | | | | | | | | (_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.
* * exceptions.cc (setup_handler): Avoid suspending a thread if it in a cygwinChristopher Faylor2004-03-091-1/+0
| | | | | | | | | | | function, in an exception, spinning, or locked. * gendef (_sigfe): Move incyg setting earlier. (sigreturn): Set incyg flag to avoid interrupting called cygwin functions. (sigdelayed): Ditto. (stabilize_sig_stack): Ditto. * sigproc.cc (proc_subproc): Don't restore process lock early in exec case. * cygtls.h: Reorganize fields in _cygtls slightly. * tlsoffsets.h: Regenerate.
* * exceptions.cc (setup_handler): Signal event for any sigwaitinfo if it existsChristopher Faylor2004-02-261-14/+14
| | | | | | | | | | | | | | | | | | | | | to force signal to be handled. Zero event here to prevent races. * signal.cc (sigwaitinfo): Use local handle value for everything since signal thread could zero event element at any time. Detect when awaking due to thread not in mask and set return value and errno accordingly. Don't set signal number to zero unless we've recognized the signal. * sigproc.cc (sigq): Rename from sigqueue throughout. * thread.cc (pthread::join): Handle signals received while waiting for thread to terminate. * cygwin.din: Export sighold, sigqueue. * exceptions.cc (sighold): Define new function. * signal.cc (handle_sigprocmask): Set correct errno for invalid signal. Simplify debugging output. (sigqueue): Define new function. * include/cygwin/signal.h (sighold): Declare new function. (sigqueue): Ditto. * include/cygwin/version.h: Bump API minor version number. * include/limits.h (TIMER_MAX): Define. (_POSIX_TIMER_MAX): Ditto.
* * Makefile.in: Compile syscalls.o with -fomit-frame-pointer.Christopher Faylor2004-02-151-1/+0
| | | | * sigproc.cc: Eliminate unused variable.
* * sigproc.cc (proc_subproc): Change warning back to silent debug output.Christopher Faylor2004-02-141-1/+1
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* * Makefile.in (clean): Remove sigfe.s.Christopher Faylor2004-02-131-36/+26
| | | | | | | | | | | | | | | | | | | | | | | (sigfe.s): Ensure that sigfe.s will be regenerated if it does not exist. * dll_init.cc (dll_dllcrt0): Simplify initializing tests. * exceptions.cc (setup_handler): Detect when stub caller is either spinning or has acquired the lock after being suspended to avoid windows problems with suspending a win32 API call. * cygtls.h (_cygtls::spinning): Declare new element. * gendef: Remove unused _siglist_index and _siglist declaration. (_sigfe): Set spinning element when potentially looping, waiting for lock. (_sigbe): Ditto. (_cygtls::lock): Ditto. (_longjmp): Ditto. * tlsoffsets.h: Regenerate. * pinfo.cc (_pinfo::exit): Set final exit state here. Call sigproc_terminate if invoked with 'norecord'. Clear any residual _cygtls stuff. * winsup.h (exit_states): Define ES_FINAL. * spawn.cc (spawn_guts): Don't call proc_terminate specifically when execing. Let _pinfo::exit handle that case. * sigproc.cc (wait_subproc): Always exit loop early when proc_loop_wait. * init.cc (munge_threadfunc): Eliminate unused argument. (dll_entry): Reflect above change in call to munge_threadfunc.
* Rename _threadinfo to _cygtls, throughout.Christopher Faylor2004-02-121-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* * debug.h (console_printf): Define for non-debugging condition.Christopher Faylor2004-02-091-3/+3
| | | | | | | | | | | | | | * cygtls.h (_threadinfo::lock): Remove wait argument. (_threadinfo::interrupt_setup): Remove retaddr argument. * exceptions.cc (_threadinfo::interrupt_setup): Ditto. (_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument. (setup_handler): Ditto. Always lock sig stack prior to determining interrupt method. * gendef (_sigfe): Correct thinko regarding cmpxchg. (_sigbe): Ditto. (_threadinfo::lock): Ditto. (_threadinfo::pop): Eliminate left-over stack unlock. * sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
* * cygerrno.h (set_errno): Set global errno whenever setting thread specificChristopher Faylor2004-02-011-11/+16
| | | | | | | | | | | | | | | | | | | version. * debug.cc (__set_errno): Ditto. * exceptions.cc (handle_sigsuspend): Remove spurious sig_dispatch_pending call. (set_signal_mask): When there seem to be pending signals to dispatch, tell signal_dispatch_pending/sig_send not to specifically call any handlers. * sigproc.h (sig_dispatch_pending): Change declaration to void. * sigproc.cc (sig_dispatch_pending): Change definition to void. Take an argument to determine whether to tell sig_send to wait for handler to be called. * sigproc.cc (sig_send): Don't call signal handler when sig == __SIGFLUSHFAST. (wait_sig): Honor __SIGFLUSHFAST. Guard against sigpacket::process nuking si_signo. * sigproc.h (__SIGFLUSHFAST): Define new special signal. (sig_dispatch_pending): Change declaration to void. Take optional boolean argument. * fork.cc (vfork): Add debugging output.
* * sigproc.cc (proc_subproc): Don't protect *child's* handle.Christopher Faylor2004-01-251-1/+0
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* * cygheap.cc (init_cygheap::close_ctty): Protect YA vforkism.Christopher Faylor2004-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | * fhandler.h (fhandler_base::has_acls): Make pass through for path_conv method. (fhandler_base::isremote): Ditto. (fhandler_base::is_fs_special): Ditto. (fhandler_base::has_attribute): Ditto. Define new function. (fhandler_base::fhaccess): Declare new function based on access_worker. (fhandler_base::set_has_acls): Eliminate obsolete function. (fhandler_base::set_isremote): Ditto. * fhandler.cc (fhandler_base::fhaccess): Move from syscalls.cc and into fhandler_base class. Use fhandler methods to access data rather than path_conv stuff. (fhandler_base::device_access_denied): Use fhaccess method. * fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto. (fhandler_base::open_fs): Remove calls to obsolete functions. * fhandler_virtual.cc (fhandler_virtual::open): Ditto. * winsup.h (access_worker): Remove obsolete access_worker declaration. *syscalls.cc (access_worker): Move function to fhandler.cc. (access): Use fhaccess method. * pinfo.cc (_pinfo::set_ctty): Clarify debugging output. * sigproc.cc (sig_dispatch_pending): Ditto. * syscalls.cc (setsid): Perform minor rearrangement.
* * configure.in: Remove NEWVFORK default.Christopher Faylor2004-01-231-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * configure: Regenerate. * dcrt0.cc: Conditionalize vfork stuff throughout. * dtable.cc: Ditto. * perthread.h: Ditto. * pipe.cc (fhandler_pipe::close): Ditto. * spawn.cc (spawnve): Ditto. * syscalls.cc (setsid): Ditto. * exceptions.cc (sigpacket::process): Use macro to refer to vfork pid. * debug.cc (verify_handle): Define new function. * debug.h (VerifyHandle): Define new macro. (verify_handle): Declare new function * fhandler.cc (fhandler_base::dup): Verify that dup'ed handle is not supposed to be in use. (fhandler_base::set_inheritance): Ditto. (fhandler_base::fork_fixup): Ditto. * fhandler_socket.cc (fhandler_socket::dup): Ditto. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * net.cc (set_socket_inheritance): Ditto. * pinfo.cc (pinfo_fixup_after_exec): Ditto. * sigproc.cc (proc_subproc): Ditto. (sig_send): Ditto. * spawn.cc (spawn_guts): Ditto. * thread.cc (pthread::init_mainthread): Ditto. * pipe.cc (fhandler_pipe::close): Close read_state with ForceCloseHandle since it was protected. (fhandler_pipe::fixup_after_exec): Protect read_state handle. (fhandler_pipe::dup): Correctly close open handles on error condition. Verify that dup'ed handle is not supposed to be in use. (fhandler_pipe::create): Protect read_state.
* * cygtls.cc (_threadinfo::remove): Don't assume that we are removing _my_tls.Christopher Faylor2004-01-221-20/+17
| | | | | | | | | | | | * exceptions.cc (setup_handler): Improve debugging output. (call_signal_handler_now): Remove ill-advised debugger call. * sigproc.cc (sigcomplete_main): Delete. (sig_send): Honor FIXME and avoid using main thread's completion event for everything or suffer races. (pending_signals::add): Default stored mask to current process mask rather than mask at time of signal send. (wait_sig): Add debugging output. * sigproc.h (sigpacket::mask_storage): Delete.
* * fhandler_tty.cc (fhandler_tty::ioctl): Semi-revert 2003-09-26 change forChristopher Faylor2004-01-211-3/+7
| | | | | | | | | TIOCSWINSZ. It is not an error for ioctl_request_event to be missing. * sigproc.cc (pending_signals::save): New function. (pending_signals::restore): Ditto. (sig_clear): Save/restore current queue pointer. (wait_sig): Delete signals marked as such. * sigproc.h (__SIGDELETE): New enum.
* * sigproc.cc (sigproc_terminate): Don't close sendsig handle when execing sinceChristopher Faylor2004-01-191-6/+16
| | | | | | | | | | | | | 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/include/signal.h: Add copyright notice.Christopher Faylor2004-01-191-65/+75
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* * cygtls.h (_threadinfo::call): Remove regparm declaration to work aroundChristopher Faylor2004-01-141-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* * cygtls.h (_threadinfo::stack): Increase stack size to accommodate nestedChristopher Faylor2003-12-301-11/+5
| | | | | | | | | signal handlers. Reorganize to cause potential SEGV on stack overflow. * sigproc.cc (no_signals_available): Check sendsig value rather than relying on obsolete sig_loop_wait. (sigproc_terminate): Ditto. (proc_can_be_signalled): Check sendsig value even for myself. * tlsoffsets.h: Regenerate.
* * dcrt0.cc (reent_data): Reluctantly resurrect.Christopher Faylor2003-12-261-8/+12
| | | | | | | | | | | | | | (__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.
* * exceptions.cc (set_signal_mask): Redefine to not pass by address. ReportChristopher Faylor2003-12-231-3/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* * sigproc.cc (proc_subproc): Simplify code to just remove all zombies ifChristopher Faylor2003-12-181-6/+5
| | | | SIGCHLD == SIG_IGN.
* * pinfo.h (pinfo::operator ==): Add a way to check for _pinfo types.Christopher Faylor2003-12-171-6/+11
| | | | | * sigproc.cc (proc_subproc): Ensure that zombie is removed when SIGCHLD == SIG_IGN but still allow wait()ing threads to wake up.
* * exceptions.cc (set_signal_mask): Report on input argument rather thanChristopher Faylor2003-12-161-5/+16
| | | | | | | | | | | | | getsigmask. * fhandler.h (fhandler_base): Make friends with close_all_files. * pinfo.cc (_pinfo::set_ctty): Add more debugging. * sigproc.cc (proc_can_be_signalled): Detect state when signal handler thread is gone in target process as an EPERM situation. Set errno to ESRCH if process doesn't exist. (sigproc_terminate): Set sendsig to illegal value when closed. (sig_send): Rely on proc_can_be_signalled setting the proper errno. * syscalls.cc (close_all_files): Detect when all ttys are closed prior to calling close_all_files. The ctty needs to be closed explicitly in this case.
* Change use of BOOL, TRUE, FALSE to bool, true, false, as appropriate,Christopher Faylor2003-12-071-18/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* * sigproc.cc (no_signals_available): Fix so that non-zero exit state is a trueChristopher Faylor2003-11-291-3/+5
| | | | | condition rather than errnoneously only checking other states when exist_state was zero.
* * pinfo.h (_pinfo::getthread2signal): Remove obsolete function.Christopher Faylor2003-11-291-3/+3
| | | | | | | | | * cygtls.h (_threadinfo): Define tid more precisely. (_threadinfo::operator HANDLE): Define. * exceptions.cc (_threadinfo::interupt_now): Use _threadinfo HANDLE operator to derive thread handle. (setup_handler): Ditto. * sigproc.cc: Reorganize includes.
* * pinfo.h (_pinfo::getsig): Remove obsolete function, here and throughout.Christopher Faylor2003-11-281-5/+5
| | | | | | | | | * exceptions.cc: Ditto. * fhandler_termios.cc: Ditto. * signal.cc: Ditto. * sigproc.cc: Ditto. * Makefile.in: Revert previous change which made a cygwin.din newer than a version.h a warning rather than an error.
* Eliminate use of sigframe and sigthread throughout.Christopher Faylor2003-11-281-77/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* * sigproc.cc (sig_send): Correct below checkin. UseChristopher Faylor2003-11-231-1/+1
| | | | thisframe.call_signal_handler.
* * sigproc.cc (proc_exists): A zombie process does not exist.Christopher Faylor2003-11-231-7/+15
| | | | | | (sig_send): Improve debugging output. Wait for pipe to be created before trying to send to it. Call call_signal_handler_now if sending a signal to myself.
* * sigproc.cc (proc_subproc): Restrict permissions on ppid_handle.Christopher Faylor2003-09-281-1/+1
| | | | | | | | * devices.shilka (device::parse): Restore check for tty in unit handling, but without the previous typo. * devices.cc: Regenerate. * devices.h (DEV_CYGDRIVE_MAJOR): Change major number to one used by linux for "user-mode virtual block device".
* * shared_info.h (CURR_MOUNT_MAGIC): Fix.Christopher Faylor2003-09-251-67/+60
| | | | | | | * sigproc.cc (sigpacket): New structure. (sig_send): Fill out sigpacket structure to send to signal thread rather than racily sending separate packets. (wait_sig): Use sigpacket structure to receive info from signal sender.
* 2003-09-24 Pierre Humblet <pierre.humblet@ieee.org>Pierre Humblet2003-09-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | * shared_info.h (class user_info): New. (cygwin_user_h): New. (user_shared): New. (enum shared_locations): Replace SH_MOUNT_TABLE by SH_USER_SHARED; (mount_table): Change from variable to macro. * shared.cc: Use sizeof(user_info) in "offsets". (user_shared_initialize): Add "reinit" argument to indicate need to reinitialize the mapping. Replace "mount_table" by "user_shared" throughout. Call user_shared->mountinfo.init and user_shared->delqueue.init. (shared_info::initialize): Do not call delqueue.init. (memory_init): Add argument to user_shared_initialize. * child_info.h (child_info::mount_h): Delete. (child_info::user_h): New. * sigpproc.cc (init_child_info): Use user_h instead of mount_h. * dcrt0.cc (_dll_crt0): Ditto. * fhandler_disk_file.cc (fhandler_disk_file::close): Use user_shared->delqueue instead of cygwin_shared->delqueue. * fhandler_virtual.cc (fhandler_virtual::close): Ditto. * syscalls.cc (close_all_files): Ditto. (unlink): Ditto. (seteuid32): Add argument to user_shared_initialize.
* * devices.cc: New file.Christopher Faylor2003-09-251-359/+232
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* * dcrt0.cc (do_exit): Eliminate "C" linkage. Call events_terminate early.Christopher Faylor2003-09-231-1/+1
| | | | | | | | | (exit_states): Move out of source file into header file. * winsup.h: Move exit_states here. Remove "C" linkage from do_exit declaration. * debug.cc (lock_debug): Remove explicit (and incorrect) external for exit_state. * sigproc.cc (sig_dispatch_pending): Don't flush signals if exiting.
* * fhandler_process.cc (fhandler_process::fill_filebuf): Open pinfo withChristopher Faylor2003-09-171-2/+3
| | | | | PID_MAP_RW. * sigproc.cc (talktome): Ditto for winpids.
* * pinfo.h (winpids::pid_access): New element.Christopher Faylor2003-09-171-0/+5
| | | | | | | | | | | (winpids::winpids): Rejigger to set pinfo_access. * pinfo.cc (winpids::add): Try to open shared memory region with supplied pinfo_access first, then default to readonly. * fhandler_termios.cc (tty_min::kill_pgrp): When getting list of pids to work with, suggest opening with PID_MAP_RW. * signal.cc (kill_pgrp): Ditto. * sigproc.cc (sig_send): Perform a write check on todo prior to attempting to increment it. Return EACCES if we can't write to it.
* * dcrt0.cc (dlL_crt0_1): Set __argc_safe after __argc is absolutely know to beChristopher Faylor2003-09-091-1/+1
| | | | | | | | | | | 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.
* * sigproc.cc (wait_sig_inited): Remove assertion since it is racy.Christopher Faylor2003-09-081-1/+0
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* * exceptions.cc (set_process_mask): Set pending signals only when signalsChristopher Faylor2003-09-031-4/+4
| | | | | | | | | | | | become unmasked. * sigproc.cc (pending_signals): Flip back to a global. (wait_sig): Don't set pending signals when there is an armed semaphore or signal is blocked. * shared.cc (shared_info::initialize): Add a username parameter for user-mode mounts. Reorganize to try to avoid startup race. (memory_init): Move some stuff into shared_info::initialize. * shared_info.h (shared_info::initialize): Change declaration. (CURR_SHARED_MAGIC): Update.
* * cygheap.cc (cygheap_init): Allocate space for sigaction array in cygheap.Christopher Faylor2003-09-011-3/+26
| | | | | | | | | | | | | | | | | | * cygheap.h (cygheap_types): Add HEAP_SIGS. * exceptions.cc (signal_fixup_after_exec): Remove from this file. * pinfo.h (pinfo::getsig): Just return global_sigs array. (pinfo::sigs): Delete. * sigproc.cc (signal_fixup_after_exec): Move it here. (global_sigs): New global array, moved from pinfo structure. (sigalloc): New function. Allocate global sigaction array here. (proc_subproc): Remove copysigs call. It's automatic now. * include/sys/cygwin.h (PID_NOCLDSTOP): New value. * signal.cc (sigaction): Set myself->PID_NODCLDSTOP when appropriate. * sigproc.h (sigalloc): Declare. * fnmatch.c (fnmatch): Use C90 parameters. (rangematch): Ditto. * fhandler.cc (fhandler_base::raw_read): Use right coercion to avoid a compiler warning.
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