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* * thread.cc (cancelable_wait): Don't malloc tbi, just make it a structCorinna Vinschen2012-03-191-5/+4
| | | | on the stack to avoid memory leak.
* * thread.cc: Drop including unused headers.Corinna Vinschen2012-02-141-4/+0
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* * miscfuncs.cc (DEFAULT_STACKSIZE): Remove.Corinna Vinschen2012-02-111-2/+2
| | | | | | | | | | | | (CygwinCreateThread): Simplify code by assuming that now stack-related input values are undefined. Set stack protection to PAGE_READWRITE, as is default on Windows. Add lengthy comment to explain POSIX guardpage. * thread.cc (pthread_attr::pthread_attr): Initialize stacksize as PTHREAD_DEFAULT_STACKSIZE. Initialize guardsize as PTHREAD_DEFAULT_GUARDSIZE. * thread.h (PTHREAD_DEFAULT_STACKSIZE): Define. Add comment to explain. (PTHREAD_DEFAULT_GUARDSIZE): Define.
* * thread.cc (__pthread_cond_wait_init): New static function replacingCorinna Vinschen2012-02-081-5/+11
| | | | | | | | | __pthread_cond_dowait. Only check and potentially initialize cond and mutex, drop call to (*cond)->wait. (pthread_cond_timedwait): Replace call to __pthread_cond_dowait with separate calls to __pthread_cond_wait_init and (*cond)->wait to be able to initialize cond before accessing its clock_id member. (pthread_cond_wait): Ditto (more or less).
* Update copyright on all files checked in so far this year.Christopher Faylor2012-01-111-1/+1
| | | | | | | | | | | | | | | | | * fhandler.h: Use #pragma once rather than ifdef guards. (fhandler_console::tc_getpgid): Return our pgid if we have never opened a console. * fork.cc: Rearrange includes to accommodate fhandler.h use of pinfo.h. * sigproc.cc: Ditto. * spawn.cc: Ditto. (child_info_spawn::worker): Query myself->pgid rather than calling expensive function. * thread.h: Use #pragma once rather than ifdef guards. * pinfo.h: Use #pragma once rather than ifdef guards. (pinfo::remember): Don't define if sigproc.h has not been included. (pinfo::reattach): Ditto. * sigproc.h: Use #pragma once rather than ifdef guards. Use different test to see if pinfo.h has been included.
* * cygwin.din (pthread_sigqueue): Export.Yaakov Selkowitz2012-01-061-0/+18
| | | | | | | * posix.sgml (std-gnu): Add pthread_sigqueue. * thread.cc (pthread_sigqueue): New function. * include/thread.h (pthread_sigqueue): New function. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* * thread.cc: Mark pthread_rwlock_timedrdlock andYaakov Selkowitz2011-12-301-2/+2
| | | | | pthread_rwlock_timedwrlock as not yet implemented in the list of cancellation points.
* Throughout use wincap.allocation_granularity instead of getpagesize.Corinna Vinschen2011-12-221-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | Throughout use wincap.page_size instead of getsystempagesize. Throughout use "status" as variable name to hold NTSTATUS values. * fhandler_mem.cc: Check for NT_SUCCESS rather than for STATUS_SUCCESS. Fix debug_printf output. Rectify long statements. Fix comment formatting. * fhandler_proc.cc: Ditto. (format_proc_swaps): Drop useless test for ERROR_PROC_NOT_FOUND. * fhandler_process.cc: Ditto as in fhandler_mem.cc. (get_process_state): Rearrange allocation loop. Use malloc/realloc. (get_mem_values): Fix potential NULL pointer usage. Drop unused variable. * pinfo.cc (winpids::enum_processes): Handle low memory gracefully. * sec_auth.cc (get_priv_list): Drop local variable ret. * shared.cc (memory_init): Drop outdated call to getpagesize. * syscalls.cc (getsystempagesize): Remove. * sysconf.cc: Check for NT_SUCCESS rather than for STATUS_SUCCESS. (sysinfo): Constify sizeof_stodi. Drop useless test for ERROR_PROC_NOT_FOUND. * thread.cc (pthread_getattr_np): Cast pointers to uintptr_t rather than to int for pointer arithmetic. * winsup.h (getsystempagesize): Drop declaration.
* * dcrt0.cc (init_windows_system_directory): Record system_wow64_directoryChristopher Faylor2011-12-131-1/+3
| | | | | | | | | | | | | | | | | | | | | | | information. * exceptions.cc (_cygtls::inside_kernel): Modernize comment. Consider executing a DLL from the Wow64 directory as being "in the kernel". (_cygtls::call_signal_handler): For now, only deal with main_tls signals if main_tls is known to be executing in the cygwin DLL. To more closely emulate linux, consider the operation to be restartable if not executing in the main thread. * globals.cc (windows_system_directory): Remove NO_COPY. (windows_system_directory_length): Ditto. (system_wow64_directory): New variable. (system_wow64_directory_length): Ditto. * select.cc (cygwin_select): Don't issue a EINTR on non-main threads since that seems to be what Linux does. Add missing break to signal case/switch. (select_stuff::wait): Don't issue a EINTR on non-main threads since that seems to be what Linux does. Remove now-unneeded accommodation for WAIT_IO_COMPLETION. Add a comment. * sigproc.h (cygwait): Ditto. Don't return if signal_received noticed and it's not the main thread. * signal.cc (sigprocmask): Add standard syscall debug stuff. * thread.cc (pthread_sigmask): Ditto.
* * thread.cc (pthread::pthread): Drop setting parent_tls. CallCorinna Vinschen2011-08-241-2/+2
| | | | | | | | sigprocmask to copy parent thread signal mask into new parent_sigmask member. (pthread::thread_init_wrapper): Copy _my_tls.sigmask from new parent_sigmask member. * thread.h (class pthread): Drop parent_tls. Add parent_sigmask.
* * thread.cc (pthread::exit): Create dummy tls structure to hold _main_tlsChristopher Faylor2011-08-241-1/+10
| | | | contents if we've asked _main_tls to exit.
* * cygwin.din (clock_nanosleep): Export.Yaakov Selkowitz2011-08-031-1/+1
| | | | | | | | | | | | | | | * posix.sgml (std-notimpl): Move clock_nanosleep from here... (std-susv4): ... to here. (std-notes): Note limitations of clock_nanosleep. * signal.cc (clock_nanosleep): Renamed from nanosleep, adding clock_id and flags arguments and changing return values throughout. Improve checks for illegal rqtp values. Add support for CLOCK_MONOTONIC and TIMER_ABSTIME. (nanosleep): Rewrite in terms of clock_nanosleep. (sleep): Ditto. (usleep): Ditto. * thread.cc: Mark clock_nanosleep in list of cancellation points. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* * cygtls.h (struct _local_storage): Add cw_timer member.Yaakov Selkowitz2011-08-031-27/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cygtls.cc (_cygtls::init_thread): Initialize locals.cw_timer. (_cygtls::fixup_after_fork): Ditto. * tlsoffsets.h: Regenerate. * ntdll.h (enum _TIMER_INFORMATION_CLASS): Define. (struct _TIMER_BASIC_INFORMATION): Define. (NtQueryTimer): Declare function. * thread.h (cancelable_wait): Change timeout argument to PLARGE_INTEGER and provide NULL default. (fast_mutex::lock): Adjust accordingly. (pthread_cond::wait): Change timeout argument to PLARGE_INTEGER and default to NULL. * thread.cc (cancelable_wait): Change timeout argument to PLARGE_INTEGER. Initialize _cygtls.locals.cw_timer if needed. Use NT waitable timers for handling timeout. Return remaining time to timeout argument if timeout was relative. (pthread_cond::wait): Change timeout argument to PLARGE_INTEGER. Adjust to change in cancelable_wait. (pthread_mutex::lock): Adjust to change in cancelable_wait. (pthread_spinlock::lock): Ditto. (pthread::join): Ditto. (__pthread_cond_dowait): Change waitlength argument to PLARGE_INTEGER. Adjust to changes in cancelable_wait and pthread_cond::wait. (pthread_cond_timedwait): Adjust to change in __pthread_cond_dowait. (pthread_cond_wait): Ditto. (semaphore::_timedwait): Adjust to change in cancelable_wait. (semaphore::_wait): Ditto. * exceptions.cc (handle_sigsuspend): Ditto. * signal.cc (nanosleep): Ditto. * wait.cc (wait4): Ditto. Fix copyright dates. * times.cc (FACTOR, NSPERSEC): Move from here... * hires.h (FACTOR, NSPERSEC): ...to here.
* * cygwin.din (pthread_condattr_getclock): Export.Yaakov Selkowitz2011-07-211-15/+47
| | | | | | | | | | | | | | | | | | | | (pthread_condattr_setclock): Export. * posix.sgml (std-notimpl): Move pthread_condattr_getclock and pthread_condattr_setclock from here... (std-susv4): ... to here. * sysconf.cc (sca): Set _SC_CLOCK_SELECTION to _POSIX_CLOCK_SELECTION. * thread.cc: (pthread_condattr::pthread_condattr): Initialize clock_id. (pthread_cond::pthread_cond): Initialize clock_id. (pthread_cond_timedwait): Use clock_gettime() instead of gettimeofday() in order to support all allowed clocks. (pthread_condattr_getclock): New function. (pthread_condattr_setclock): New function. * thread.h (class pthread_condattr): Add clock_id member. (class pthread_cond): Ditto. * include/pthread.h: Remove obsolete comment. (pthread_condattr_getclock): Declare. (pthread_condattr_setclock): Declare. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* whitespace eliminationChristopher Faylor2011-06-061-9/+9
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* * child_info.h (CURR_CHILD_INFO_MAGIC): Update.Corinna Vinschen2011-05-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (class child_info_fork): Remove stacksize, add stackaddr and guardsize members. * dcrt0.cc (child_info_fork::alloc_stack_hard_way): Partial rewrite to regenerate the stack exactly as in the parent. (child_info_fork::alloc_stack): Set stackaddr to 0, rather than stacksize. (dll_crt0_1): Check for stackaddr before changing the stack addresses in the TEB. * fork.cc (frok::child): Check for stackaddr here. (frok::parent): Set ch.stackaddr and ch.guardsize if not called from the main thread. * init.cc (dll_entry): Replace pointer to NT_TIB with pointer to TEB. Fix incorrectly changed address test before removing _my_tls. Set StackLimit to NULL on Windows 2000. Explain why. * miscfuncs.cc (struct thread_wrapper_arg): Store stackbase rather than stacksize, store commitaddr, remove guardsize. Store all pointers as char * for easier address arithmetic. (thread_wrapper): Rewrite to remove OS stack before calling thread function. Add lots of comments to explain what we do. (CygwinCreateThread): Reserve our own stack in case we got no application stack. Add comments. * ntdll.h (struct _TEB): Extend defintion up to DeallocationStack member. * thread.cc (pthread_attr::pthread_attr): Use "(size_t) -1" rather then 0xffffffff. * wincap.h (wincaps::has_stack_size_param_is_a_reservation): New element. * wincap.cc: Implement above element throughout.
* * thread.cc: Mark psiginfo and psignal as available in list ofYaakov Selkowitz2011-05-191-2/+2
| | | | optional cancellation points.
* * cygwin.din (clock_getcpuclockid): Export.Yaakov Selkowitz2011-05-171-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | (pthread_getcpuclockid): Export. * hires.h (PID_TO_CLOCKID): New macro. (CLOCKID_TO_PID): New macro. (CLOCKID_IS_PROCESS): New macro. (THREADID_TO_CLOCKID): New macro. (CLOCKID_TO_THREADID): New macro. (CLOCKID_IS_THREAD): New macro. * ntdll.h (enum _THREAD_INFORMATION_CLASS): Add ThreadTimes. * posix.sgml (std-notimpl): Add clock_getcpuclockid and pthread_getcpuclockid from here... (std-susv4): ... to here. (std-notes): Remove limitations of clock_getres and clock_gettime. Note limitation of timer_create to CLOCK_REALTIME. * sysconf.cc (sca): Set _SC_CPUTIME to _POSIX_CPUTIME, and _SC_THREAD_CPUTIME to _POSIX_THREAD_CPUTIME. * thread.cc (pthread_getcpuclockid): New function. * timer.cc (timer_create): Set errno to ENOTSUP for CPU-time clocks. * times.cc (clock_gettime): Handle CLOCK_PROCESS_CPUTIME_ID and CLOCK_THREAD_CPUTIME_ID. (clock_getres): Ditto. (clock_settime): Set errno to EPERM for CPU-time clocks. (clock_getcpuclockid): New function. * include/pthread.h (pthread_getcpuclockid): Declare. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* * cygwin.din (pthread_attr_getguardsize): Export.Corinna Vinschen2011-05-151-6/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (pthread_attr_setguardsize): Export. (pthread_attr_setstack): Export. (pthread_attr_setstackaddr): Export. * init.cc (dll_entry): Remove wow64_test_stack_marker. Check for unusual stack address by testing stack addresses from current TEB. Check validity of _my_tls by testing if it's within the stack as given in current TEB. * miscfuncs.cc (struct thread_wrapper_arg): New structure used to push all required information to thread_wrapper function. (thread_wrapper): Wrapper function for actual thread function. If an application stack has been given, change %ebp and %esp so that the thread function runs on that stack. If the thread has been created by CygwinCreateThread, set up the POSIX guard pages if necessary. (CygwinCreateThread): New function. * miscfuncs.h (CygwinCreateThread): Declare. * ntdll.h (struct _TEB): Define all members up to Peb. * posix.sgml (std-susv4): Move pthread_attr_getguardsize, pthread_attr_setguardsize and pthread_attr_setstack here. (std-deprec): Add pthread_attr_setstackaddr. * sysconf.cc (sca): Set _SC_THREAD_ATTR_STACKADDR to _POSIX_THREAD_ATTR_STACKADDR. * thread.cc (pthread::precreate): Copy pthread_attr stackaddr and guardsize members. (pthread::create): Call CygwinCreateThread. (pthread_attr::pthread_attr): Initialize guardsize. (pthread_attr_setstack): New function. (pthread_attr_setstackaddr): New function. (pthread_attr_setguardsize): New function. (pthread_attr_getguardsize): New function. (pthread_getattr_np): Copy attr.guardsize. * thread.h (pthread_attr): Add member guardsize. * include/pthread.h (pthread_attr_getguardsize): Declare. (pthread_attr_setguardsize): Declare. * include/cygwin/version.h: Bump API minor number.
* * thread.h (pthread::static_cancel_self): Mark as noreturn.Christopher Faylor2011-05-041-1/+3
| | | | | | (pthread::cancel_self): Ditto. * thread.cc (pthread::cancel_self): Explicitly use pthread::exit to avoid a "function returns" error.
* * select.cc (cygwin_select): Make degenerate case cancelable.Corinna Vinschen2011-05-031-3/+3
| | | | | | | | | (select_stuff::destroy): New inline method to delete memory taken by select_stuff. (select_stuff::~select_stuff): Call destroy. (select_stuff::wait): Add case to allow canceling select. * select.h (select_stuff::destroy): Declare. * thread.cc: Mark poll, pselect and poll as cancelable.
* * cygwin.din (pthread_attr_getstack): Export.Yaakov Selkowitz2011-05-031-1/+70
| | | | | | | | | | | | | | | | | | | | | | | | | (pthread_attr_getstackaddr): Export. (pthread_getattr_np): Export. * ntdll.h (enum _THREAD_INFORMATION_CLASS): Add ThreadBasicInformation. (struct _THREAD_BASIC_INFORMATION): Define. (NtQueryInformationThread): Declare. * posix.sgml (std-susv4): Add pthread_attr_getstack. (std-gnu): Add pthread_getattr_np. (std-deprec): Add pthread_attr_getstackaddr. (std-notimpl): Remove pthread_attr_[gs]etstackaddr, as they were removed from SUSv4. * thread.cc (pthread_attr::pthread_attr): Initialize stackaddr. (pthread_attr_getstack): New function. (pthread_attr_getstackaddr): New function. (pthread_attr_setstacksize): Return EINVAL if passed size less than PTHREAD_STACK_MIN, as required by POSIX. (pthread_getattr_np): New function. * thread.h (class pthread_attr): Add stackaddr member. * include/pthread.h (pthread_attr_getstack): Declare. (pthread_attr_getstackaddr): Declare unconditionally. (pthread_attr_setstack): Declare inside false conditional for reference. (pthread_getattr_np): Declare. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* * thread.cc (cancelable_wait): Remove test for main thread.Corinna Vinschen2011-05-021-1/+1
| | | | * fhandler_fifo.cc (fhandler_fifo::open_nonserver): Ditto.
* * fhandler_windows.cc (fhandler_windows::read): UseCorinna Vinschen2011-05-011-0/+13
| | | | | | | | pthread::get_cancel_event to fetch thread's cancel event. * flock.cc (lf_setlock): Ditto. * posix_ipc.cc (ipc_cond_timedwait): Ditto. * thread.cc (pthread::get_cancel_event): New static method. * thread.h (pthread::get_cancel_event): Declare.
* * fcntl.cc (fcntl64): Call pthread_testcancel.Corinna Vinschen2011-04-301-80/+81
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * fhandler_socket.cc (fhandler_socket::connect): Ditto. (fhandler_socket::accept4): Ditto. (fhandler_socket::recvfrom): Ditto. (fhandler_socket::recvmsg): Ditto. (fhandler_socket::sendto): Ditto. (fhandler_socket::sendmsg): Ditto. * flock.cc (lf_setlock): Allow to cancel thread running blocking file lock. Try to make code more readable. (lockf): Call pthread_testcancel. * mmap.cc (msync): Ditto. * posix_ipc.cc (ipc_cond_timedwait): Call pthread::static_cancel_self rather than pthread_testcancel. * select.cc (cygwin_select): Call pthread_testcancel. * syscalls.cc (pread): Ditto. (pwrite): Ditto. (readv): Ditto. (writev): Ditto. (open): Ditto. (close): Ditto. (fsync): Ditto. * termios.cc (tcdrain): Ditto. * thread.cc: Align list of cancellation points with above changes. Mark not-implemented functions, too. (cancelable_wait): Don't set unused object indices to WAIT_FAILED since that could result in wrong behaviour. Set them to the invalid value WAIT_TIMEOUT + 1 instead.
* * thread.h (class pthread): Add bool member canceled.Corinna Vinschen2011-04-301-3/+13
| | | | | | | | * thread.cc (pthread::pthread): Initialize canceled to false. (pthread::cancel): Set canceled before setting cancel_event. (pthread::testcancel): Check for canceled. Only wait for cancel_event if canceled is true. Explain why. (pthread::_fixup_after_fork): Set canceled to false.
* * thread.cc: Update comment listing cancellation points per POSIX.Corinna Vinschen2011-04-291-173/+301
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* * ntdll.h (IsEventSignalled): New inline function.Corinna Vinschen2011-04-291-1/+2
| | | | | | | | | | | * cygthread.cc (cygthread::terminate_thread): Use IsEventSignalled in place of WaitForSingleObject on event with 0 timeout. * fhandler.cc (fhandler_base_overlapped::has_ongoing_io): Ditto. * fhandler_fifo.cc (fhandler_fifo::open_nonserver): Ditto. (fhandler_fifo::wait): Ditto. * fhandler_termios.cc (fhandler_termios::bg_check): Ditto. * select.cc (verify_tty_slave): Ditto. * thread.cc (pthread::testcancel): Ditto.
* 2011-04-02 Jon TURNEY <jon.turney@dronecode.org.uk>Jon TURNEY2011-04-191-3/+6
| | | | | | * thread.cc (semaphore::init): We cannot reliably infer anything from the existing contents of sem, so merely warn rather than return EBUSY if it looks like we are reinitialising a semaphore.
* * thread.cc (pthread_setschedprio): New function.Yaakov Selkowitz2011-04-151-0/+11
| | | | | | | | * include/pthread.h (pthread_setschedprio): Declare. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump. * cygwin.din (pthread_setschedprio): Export. * posix.sgml (std-notimpl) Move pthread_setschedprio from here... (std-susv4) ...to here.
* * cygwin.din (pthread_spin_destroy): Export.Corinna Vinschen2011-03-291-3/+127
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (pthread_spin_init): Export. (pthread_spin_lock): Export. (pthread_spin_trylock): Export. (pthread_spin_unlock): Export. * posix.sgml (std-susv4): Add pthread_spin_destroy, pthread_spin_init, pthread_spin_lock, pthread_spin_trylock, pthread_spin_unlock. (std-notimpl): Remove pthread_spin_[...]. * pthread.cc (pthread_spin_init): New function. * thread.cc (pthread_spinlock::is_good_object): New function. (pthread_mutex::pthread_mutex): Rearrange initializers to accommodate protected data in pthread_mutex. (pthread_spinlock::pthread_spinlock): New constructor. (pthread_spinlock::lock): New method. (pthread_spinlock::unlock): New method. (pthread_spinlock::init): New method. (pthread_spin_lock): New function. (pthread_spin_trylock): New function. (pthread_spin_unlock): New function. (pthread_spin_destroy): New function. * thread.h (PTHREAD_SPINLOCK_MAGIC): Define. (class pthread_mutex): Change access level of members shared with derived classes to protected. (pthread_mutex::set_shared): New protected method. (class pthread_spinlock): New class, derived class of pthread_mutex. * include/pthread.h (pthread_spin_destroy): Declare. (pthread_spin_init): Declare. (pthread_spin_lock): Declare. (pthread_spin_trylock): Declare. (pthread_spin_unlock): Declare. * include/cygwin/types.h (pthread_spinlock_t): New typedef. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* * thread.cc (semaphore::init, destroy, close): Standards conformanceCorinna Vinschen2011-03-291-7/+26
| | | | | | fix. On a failure, return -1 and set errno. * thread.h (semaphore::terminate): Save errno since semaphore::close() may now modify it.
* * thread.cc (valid_sched_parameters): Declare extern here.Corinna Vinschen2010-04-061-0/+2
| | | | (sched_set_thread_priority): Ditto.
* Throughout change all calls of low_priority_sleep (0) to yield ().Christopher Faylor2010-03-121-1/+1
| | | | | | | | | | * miscfuncs.cc (yield): Rename from low_priority_sleep. Remove all of the logic which called Sleep() and just use SwitchToThread. * miscfuncs.h (yield): Rename from low_priority_sleep. (SLEEP_0_STAY_LOW): Delete unused define. * shared.cc (memory_init): Move heap_init() call directly after shared memory initialization to more closely mimic long-standing program flow. * tty.cc (tty_list::terminate): Replace call to low_priority_sleep with Sleep.
* * cygtls.h (_cygtls::init_exception_handler): Eliminate argument.Christopher Faylor2010-02-261-3/+1
| | | | | | | | | | | | | | | | | | | | (_cygtls::andreas): Convert to a pointer. (san): Convert to a real class with methods. Use a linked list to keep track of previous handlers on the "stack". (myfault): Rewrite to use new san class rather than calling directly into _cygtls. * cygtls.cc (_cygtls::init_exception_handler): Just assume that we're always using the standard exception handler. (_cygtls::init_thread): Reflect loss of argument to init_exception_handler. * dcrt0.cc (dll_crt0_1): Ditto. * dfcn.cc (dlopen): Ditto. (dlclose): Reset the exception handler after FreeLibrary. * dll_init.cc (dll_list::detach): Make sure that the exception handler is initialized before calling destructors. * exceptions.cc (_cygtls::handle_exceptions): Accommodate new andreas pointer. * thread.cc (verifyable_object_isvalid): Pass objectptr to faulted for explicit NULL pointer checking. * tlsoffsets.h: Regenerate.
* * thread.cc (pthread_mutex::unlock): Don't attempt to unlock if there is anChristopher Faylor2010-02-231-5/+5
| | | | error.
* * include/sys/strace.h: Define _STRACE_SPECIAL.Christopher Faylor2010-02-221-51/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (strace_printf_wrap): Fix NOSTRACE definitions. (strace_printf_wrap1): Fix NOSTRACE definitions. (special_printf): Define. * thread.cc: Perform minor syntax fix in a comment. Rename "is_good_initialzer*" to "is_initializer*" throughout. Use pthread_printf rather than debug_printf throughout. Add extra pthread_printf debugging throughout. (pthread_mutex::_new_mutex): New constant value. (pthread_mutex::_unlocked_mutex): Ditto. (pthread_mutex::_destroyed_mutex): Ditto. (pthread_mutex::no_owner): Define new function. (pthread_mutex::can_be_unlocked): Detect no_owner situation. Handle PTHREAD_MUTEX_NORMAL as a special case. (pthread::create_cancel_event): Use C++ boolean values. (pthread::precreate): Use method to set mutex type. (pthread_cond::pthread_cond): Ditto. (pthread_rwlock::pthread_rwlock): Ditto. (pthread_mutex::pthread_mutex): Set owner to _new_mutex initially. (pthread_mutex::~pthread_mutex): Reset various elements to make it clearer if they are incorrectly reused. (pthread_mutex::lock): Add clarifying comment. (pthread_mutex::unlock): Attempt to handle various mutex types correctly. In particular, reinstate ability to have one thread unlock another thread's mutex if type == PTHREAD_MUTEX_NORMAL. (semaphore::_fixup_after_fork): Avoid redundancy. (pthread_mutex::_fixup_after_fork): Ditto. Fix debugging statement. (__pthread_cond_dowait): Accommodate changes to remove previously inexplicable use can_be_unblocked() as a static function. * thread.h: Rename "is_good_initialzer*" to "is_initializer*" throughout. (pthread_mutex): Reorganize. Make many things private. (pthread_mutex::no_owner): Define new method. (pthread_mutex::_new_mutex): Define new constant. (pthread_mutex::_unlocked_mutex): Ditto. (pthread_mutex::_destroyed_mutex): Ditto.
* * pthread.cc (pthread_mutex_init): Explicitly fill out third arg toChristopher Faylor2010-02-121-55/+14
| | | | | | | | | | | | | | | | | | | | pthread_mutex::init. * thread.cc: Remov some obsolete comments. (verifyable_object_isvalid): Reflect change to use thread_magic_t for magic numbers. (pthread_mutex::pthread_mutex): Set magic number to invalid initially until we've verified that everything is valid. (pthread_mutex::unlock): Fix a comment. (verifyable_object::verifyable_object): Delete here. (~verifyable_object::~verifyable_object): Ditto. (pthread_mutex::init): Don't run is_good_initializer for non-static objects. * thread.h (thread_magic_t): New typedef. (verifyable_object::verifyable_object): Use thread_magic_t; (verifyable_object::magic): Ditto. (pthread_mutex::is_good_initializer_or_bad_object): Remove unneeded variable names. (pthread_mutex::can_be_unlocked): Ditto. (pthread_mutex::init): Ditto. Remove default for third argument.
* * dcrt0.cc (_dll_crt0): Set _main_tls as early as possible.Christopher Faylor2010-02-101-61/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * thread.cc (pthread_mutex::can_be_unlocked): Remove check for MUTEX_OWNER_ANONYMOUS since it is racy and unsafe. (pthread::init_mainthread): Initialize thread directly from _my_tls. (pthread::self): Ditto. (pthread::get_tls_self_pointer): Delete. (pthread_mutex::pthread_mutex): Use an event rather than a semaphore. (pthread_mutex::lock): Rename from _<func>. Derive self directly. (pthread_mutex::tryunlock): Ditto. (pthread_mutex::destroy): Ditto. (pthread_mutex::unlock): Ditto. Accommodate change from semaphore to event. (pthread_mutex::_fixup_after_fork): Accommodate change from semaphore to event. (pthread_mutex::init): Don't attempt to initialize a semaphore unless it is in an initialized state. Do this check under mutex_initialization_lock.lock * thread.h (fast_mutex::init): Use event rather than semaphore. (fast_mutex::lock): Ditto. (pthread_mutex::_lock): Delete. (pthread_mutex::_unlock): Ditto. (pthread_mutex::_trylock): Ditto. (pthread_mutex::_destroy): Ditto. (pthread_mutex::get_pthread_self): Ditto. (pthread_mutex::get_tls_self_pointer): Ditto. (pthread_mutex::lock): Un-inline. (pthread_mutex::unlock): Ditto. (pthread_mutex::trylock): Ditto. (pthread_mutex::destroy): Ditto.
* * cygtls.h (struct _cygtls): Remove unneeded elements.Christopher Faylor2010-02-101-5/+1
| | | | | * thread.cc (pthread::exit): Avoid potential double call to _my_tls.remove. * tlsoffsets.h: Regenerate.
* Throughout, replace hMainProc with GetCurrentProcess/NtCurrentProcessCorinna Vinschen2009-12-181-2/+3
| | | | | | | | | | | | according to context. Throughout, replace hMainThread with GetCurrentThread/NtCurrentThread according to context. * dcrt0.cc (dll_crt0_0): Drop duplication of GetCurrentProcess to hMainProc. Drop duplication of GetCurrentThread to hMainThread. * dtable.cc (dtable::stdio_init): Remove useless comment. * globals.cc (hMainProc): Remove. (hMainThread): Remove. * ntdll.h (NtCurrentProcess): Define. (NtCurrentThread: Define.
* * thread.cc (__cygwin_lock_lock): Delete racy optimisation.Dave Korn2009-06-041-14/+4
| | | | (__cygwin_lock_unlock): Likewise.
* * thread.h (struct pthread_rwlock::RWLOCK_READER): Add counter n.Corinna Vinschen2009-01-201-4/+16
| | | | | | | | * thread.cc (pthread_rwlock::rdlock): If a thread already owns a read lock, just count the number of locks for it, per SUSv4. (pthread_rwlock::tryrdlock): Ditto. (pthread_rwlock::unlock): If a thread has more than one concurrent read locks, just count down.
* * pthread.cc (pthread_mutex::_unlock): Avoid unlocking a mutex if theChristopher Faylor2008-11-071-10/+13
| | | | | | | | | | | recursion_counter is already 0. (pthread_mutex::_destroy): Don't consider a mutex busy if its recursion_counter == 0. (pthread_mutex::_fixup_after_fork): Set recursion_counter to 0 to flag that we've just forked. Don't reset the owner of this mutex since the forkee may think it still owns the mutex. Reinstate initialization of win32_obj_id. * fhandler_floppy.cc (fhandler_dev_floppy::raw_read): Initialize a variable to bypass a C++ warning.
* * thread.cc (pthread_mutex::_fixup_after_fork): Reinstate DEBUGGINGChristopher Faylor2008-09-301-1/+4
| | | | conditional.
* * thread.cc (pthread_mutex::_fixup_after_fork): Just reset lock to pristineChristopher Faylor2008-09-301-22/+6
| | | | state after fork. Don't recreate a mutex since it may not actually be needed.
* * Makefile.in (DLL_OFILES): Add kernel32.o.Corinna Vinschen2008-04-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
* Remove unneeded header files from source files throughout.Christopher Faylor2008-04-071-11/+0
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* Add miscfuncs.h to files as needed throughout.Christopher Faylor2008-04-071-0/+1
| | | | | | | | | | | | * mount.cc: New file. * path.cc: Move mount-specific stuff into mount.cc. Move common stuff into miscfuncs.cc. Remove unneeded includes. * miscfuncs.cc: Move some common path functions here. * miscfuncs.h: New file. * winsup.h: Move miscelleneous functions to miscfuncs.h. * dcrt0.cc: Remove unneeded includes. * Makefile.in (DLL_OFILES): Add mount.o. * include/cygwin/config.h: Fix a minor typo.
* * Fix copyright dates.Corinna Vinschen2008-04-011-1/+1
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