2000-07-31 Andreas Jaeger * mutex.c (__pthread_mutex_trylock): Only set mutex owner if we really own it. Patch by Kevin B. Hendricks" . 2000-04-09 Ulrich Drepper * signals.c (sigaction): Fix return value for the case SIG is one of the signals the implementation uses. Patch by Xavier.Leroy@inria.fr. 2000-03-23 Ulrich Drepper * mutex.c (__pthread_reset_pthread_once): Reset once_masterlock. * internals.h (__pthread_reset_pthread_once): Add prototype. * ptfork.c (__fork): Call __pthread_reset_pthread_once. * manager.c (pthread_handle_create): Store ID of new thread before clone call. 2000-03-21 Ulrich Drepper * pthread.c (pthread_initialize): Test for address of __dso_handle being NULL, not value. Use __on_exit, not on_exit. Patch by Andreas Jaeger . 2000-03-19 Ulrich Drepper * pthread.c (pthread_initialize): Instead of on_exit use __cxa_atexit if __dso_label is available to allow unloading the libpthread shared library. 2000-03-16 Ulrich Drepper * mutex.c (__pthread_mutex_lock): Always initialize __m_owner. (__pthread_mutex_trylock): Likewise. (__pthread_mutex_unlock): Always clear __m_owner. 2000-03-14 Ulrich Drepper * condvar.c (pthread_cond_wait): Check whether mutex is owned by current thread and return error if not. (pthread_cond_timedwait_relative_old): Likewise. (pthread_cond_timedwait_relative_new): Likewise. * mutex.c (__pthread_once): Handle cancelled init function correctly. (pthread_once_cancelhandler): New function. Patch by Kaz Kylheku . 2000-02-22 Ulrich Drepper * semaphore.h (SEM_FAILED): Use 0 not NULL. 2000-02-14 Ulrich Drepper * condvar.c (pthread_cond_timedwait_relative_old): Tight loop with nanosleep does not work either. Get absolute time inside the loop. (pthread_cond_timedwait_relative_new): Likewise. Patch by Kaz Kylheku . 2000-02-13 Ulrich Drepper * condvar.c (pthread_cond_timedwait_relative_old): Undo last patch but keep the code around. A bug in the kernel prevent us from using the code. (pthread_cond_timedwait_relative_new): Likewise. (PR libc/1597 and libc/1598). 2000-02-01 Kaz Kylheku * condvar.c (pthread_cond_timedwait_relative_old): Do tight loop around nanosleep calls instead of around most of the function (pthread_cond_timedwait_relative_new): Likewise. body. Got rid of backwards goto and one local. 2000-01-31 Ulrich Drepper * condvar.c (pthread_cond_timedwait_relative_old): Recompute time before every nanosleep call to account for time spent in the rest of the function. (pthread_cond_timedwait_relative_new): Likewise. Patch by khendricks@ivey.uwo.ca (PR libc/1564). 2000-01-29 Ulrich Drepper * condvar.c (pthread_cond_timedwait_relative_old): Get remaining time from nanosleep call so that in case we restart we only wait for the remaining time. (pthread_cond_timedwait_relative_new): Likewise. Patch by khendricks@ivey.uwo.ca (PR libc/1561). 2000-01-18 Ulrich Drepper * manager.c (pthread_allocate_stack): Compute guard page address correctly. Patch by HJ Lu. 2000-01-12 Ulrich Drepper * internals.h (pthread_readlock_info): New structure. (_pthread_descr_struct): Add p_readlock_list, p_readlock_free, and p_untracked_readlock_count. * pthread.c (__pthread_initial_thread, pthread_manager_thread): Add initializers for new fields. * manager.c (pthread_free): Free read/write lock lists. * queue.h (queue_is_empty): New function. * rwlock.c: Implement requirements about when readers should get locks assigned. * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP): New definition. * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_rwlock_t): Define this name as well. Patches by Kaz Kylheku . 2000-01-06 Andreas Jaeger * pthread.c: Remove extra initializer. 2000-01-05 Ulrich Drepper * pthread.c (__pthread_initial_thread, pthread_manager_thread): Adjust initializers for struct _pthread_descr_struct change. * internals.h (struct _pthread_descr_struct): Move new elements to the end. 2000-01-03 Kaz Kylheku Redesigned how cancellation unblocks a thread from internal cancellation points (sem_wait, pthread_join, pthread_cond_{wait,timedwait}). Cancellation won't eat a signal in any of these functions (*required* by POSIX and Single Unix Spec!). * condvar.c: Spontaneous wakeup on pthread_cond_timedwait won't eat a simultaneous condition variable signal (not required by POSIX or Single Unix Spec, but nice). * spinlock.c: __pthread_lock queues back any received restarts that don't belong to it instead of assuming ownership of lock upon any restart; fastlock can no longer be acquired by two threads simultaneously. * restart.h: Restarts queue even on kernels that don't have queued real time signals (2.0, early 2.1), thanks to atomic counter, avoiding a rare race condition in pthread_cond_timedwait. 1999-12-28 Ulrich Drepper * sysdeps/alpha/pt-machine.h: Move stack_pointer definition to the beginning. * manager.c (__pthread_start): Add one more cast to assignment of arg to prevent warning on 64bit machines. 1999-12-21 Ulrich Drepper * manager.c (pthread_handle_create): Set p_pid of new thread before calling the callback function to report a new thread. 1999-12-20 Andreas Jaeger * pthread.c (pthread_initialize): Move getrlimit call after setting of errno. 1999-12-01 Ulrich Drepper * sysdeps/i386/pt-machine.h: Move stack_pointer definition to the beginning. * sysdeps/i386/i686/pt-machine.h: Likewise. Patches by Alan Modra . 1999-11-23 Ulrich Drepper * manager.c (pthread_start_thread_event): Initialize p_pid already here. 1999-11-22 Ulrich Drepper * internals.h: Add prototype for __pthread_manager_event. * manager.c (__pthread_manager_event): New function. (pthread_start_thread_event): Correct computation of self. Use INIT_THREAD_SELF. * pthread.c (__pthread_manager_thread): Initialize p_lock. (__pthread_initialize_manager): Respect event flags also for creation of the manager thread. 1999-11-08 Ulrich Drepper * pthread.c (__pthread_initialize_manager): Initialize __pthread_manager_thread.p_tid. 1999-11-02 Ulrich Drepper * internals.h: Declare __pthread_last_event. * manager.c: Define __pthread_last_event. (pthread_handle_create): Set __pthread_last_event. (pthread_exited): Likewise. * join.c (pthread_exit): Likewise. * Makefile (libpthread-routines): Add events. * events.c: New file. * internals.h: Protect against multiple inclusion. Include thread_dbP.h header. (struct _pthread_descr_struct): Add new fields p_report_events and p_eventbuf. Declare event reporting functions. * join.c (pthread_exit): Signal event if this is wanted. * manager.c (__pthread_threads_events): New variable. (pthread_handle_create): Take new parameters with event information. Signal TD_CREATE event if wanted. (__pthread_manager): Adjust pthread_handle_create call. (pthread_start_thread_event): New function. Block until manager is finished and then call pthread_start_thread. (pthread_exited): Signal TD_REAP event if wanted. 1999-10-26 Ulrich Drepper * restart.h (suspend_with_cancellation): Rewrite as a macro. * condvar.c (pthread_cond_timedwait_relative): Don't mark as inline. 1999-10-21 Xavier Leroy * linuxthreads/pthread.c: For i386, wrap pthread_handle_sigrestart and pthread_handle_sigcancel with functions that restore %gs from the signal context. For each signal handling function, two wrappers are required, one for a non-RT signal and one for a RT signal. * linuxthreads/signal.c: For i386, add code to restore %gs from the signal context in pthread_sighandler and pthread_sighandler_rt. 1999-10-09 Andreas Jaeger * internals.h: Add __new_sem_post to get prototype in manager.c; include semaphore.h for needed types. 1999-10-08 Ulrich Drepper * manager.c (__pthread_manager) [REQ_POST]: Use __new_sem_post directly instead of calling sem_post which should not be necessary but is faster and might help in some case to work around problems. 1999-09-25 Ulrich Drepper * condvar.c (pthread_cond_timedwait_relative): Never return with EINTR. Patch by Andreas Schwab. 1999-09-19 Ulrich Drepper * signals.c (sigaction): Correct last patch. Don't select pthread_sighandler_rt based on the signal number but instead of the SA_SIGINFO flag. 1999-09-23 Ulrich Drepper * specific.c: Move definitions of struct pthread_key_struct and destr_function to ... * internals.h: ...here. 1999-09-03 Andreas Schwab * ptfork.c (__fork): Renamed from fork and use __libc_fork. Add fork as weak alias. (__vfork): New function, alias vfork. * Versions: Export __fork, vfork, and __vfork in libpthread. 1999-08-23 Andreas Schwab * signals.c (pthread_sighandler): Add SIGCONTEXT_EXTRA_ARGS to call to signal handler. 1999-08-20 Ulrich Drepper * pthread.c (__pthread_reset_main_thread): Undo last change. (__pthread_kill_other_threads_np): Reset signal handlers for the signals we used in the thread implementation here. 1999-08-19 Ulrich Drepper * pthread.c (__pthread_reset_main_thread): Reset signal handlers for the signals we used in the thread implementation [PR libc/1234]. * Versions: Export __pthread_kill_other_threads_np from libpthread for GLIBC_2.1.2. * signals.c: Pass sigcontext through wrapper to the user function. 1999-08-01 Ulrich Drepper * Versions [ld.so] (GLIBC_2.0): Export __libc_internal_tsd_get and __libc_internal_tsd_set. 1999-07-29 Andreas Jaeger * manager.c: Remove inclusion of since it's not needed anymore. 1999-07-16 Andreas Jaeger * internals.h: Align _pthread_descr_struct to 32 bytes. Reported by Tim Hockin , close PR libc/1206. 1999-07-09 Ulrich Drepper * manager.c (pthread_handle_create): Free mmap region after stack if clone failed. Patch by Kaz Kylheku . 1999-07-09 Cristian Gafton * Makefile (libpthread-routines): Add oldsemaphore routine. * Versions: Add sem_destroy, sem_getvalue, sem_init, sem_post, sem_trywait, and sem_wait to GLIBC_2.1. * oldsemaphore.c: New file. * semaphore.c: Add default_symbol_versions for the changed functions. (__new_sem_init): Rename from sem_init. (__new_sem_post): Rename from sem_post. (__new_sem_wait): Rename from sem_wait. (__new_sem_trywait): Rename from sem_trywait. (__new_sem_getvalue): Rename from sem_getvalue. (__new_sem_destroy): Rename from sem_destroy. 1999-06-23 Robey Pointer * internals.h: Added p_nextlock entry to separate queueing for a lock from queueing for a CV (sometimes a thread queues on a lock to serialize removing itself from a CV queue). * pthread.c: Added p_nextlock to initializers. * spinlock.c: Changed to use p_nextlock instead of p_nextwaiting. 1999-05-23 Andreas Jaeger * man/pthread_cond_init.man: Correct example. Reported by Tomas Berndtsson . * linuxthreads.texi (Condition Variables): Likewise. 1999-05-18 Jakub Jelinek * sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): Use casx not cas, also successful casx returns the old value in rd and not the new value. 1999-05-16 Xavier Leroy * manager.c: If pthread_create() is given a NULL attribute and the thread manager runs with a realtime policy, set the scheduling policy of the newly created thread back to SCHED_OTHER. * manager.c: If the PTHREAD_INHERIT_SCHED attribute is given, initialize the schedpolicy field of new_thread->p_start_args to that of the calling thread. 1999-04-29 Ulrich Drepper * sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): cas instruction does not allow memory element to use offset. 1999-04-28 Ulrich Drepper * manager.c (pthread_allocate_stack): Optimize initialization of new thread descriptor. * sysdeps/pthread/bits/libc-lock.h (__libc_lock_define_initialized): Don't use initializer since it is all zeroes. (__libc_once_define): Likewise. 1999-04-16 Andreas Jaeger * sysdeps/arm/Implies: Removed since cmpxchg/no-cmpxchg doesn't exist anymore. * sysdeps/i386/Implies: Likewise. * sysdeps/m68k/Implies: Likewise. * sysdeps/mips/Implies: Likewise. * sysdeps/powerpc/Implies: Likewise. * sysdeps/sparc/sparc32/Implies: Likewise. * sysdeps/sparc/sparc64/Implies: Likewise. 1999-04-15 Ulrich Drepper * sysdeps/alpha/bits/semaphore.h: Removed. * sysdeps/powerpc/bits/semaphore.h: Removed. * sysdeps/pthread/cmpxchg/bits/semaphore.h: Removed. * sysdeps/pthread/no-cmpxchg/bits/semaphore.h: Removed. * Makefile (headers): Remove bits/semaphore.h. * semaphore.h: Define _pthread_descr if necessary. Don't include limits.h. Define SEM_VALUE_MAX directly. Define SEM_FAILED. (sem_t): Protect element names with leading __. Add declarations for sem_close, sem_open, and sem_unlink. * semaphore.c: Adjust all functions for new element names. Define sem_close, sem_open, and sem_unlink. * Versions (libthread): Add sem_close, sem_open, and sem_unlink for GLIBC_2.1.1. * sysdeps/pthread/bits/pthreadtypes.h: Define _pthread_descr only if necessary. 1999-03-16 H.J. Lu * specific.c (pthread_key_delete): Check th->p_terminated to see if the thread is running. * Versions (__libc_internal_tsd_get, __libc_internal_tsd_set): Added to GLIBC_2.0 for libc.so. 1999-02-12 H.J. Lu * Versions (__libc_current_sigrtmin, __libc_current_sigrtmax, __libc_allocate_rtsig): Added to GLIBC_2.1. * internals.h (DEFAULT_SIG_RESTART): Removed. (DEFAULT_SIG_CANCEL): Removed. * pthread.c (init_rtsigs, __libc_current_sigrtmin, __libc_current_sigrtmax, __libc_allocate_rtsig): New functions. (__pthread_sig_restart, __pthread_sig_cancel, __pthread_sig_debug): Initialized. (pthread_initialize): Call init_rtsigs () to initialize real-time signals. 1999-02-03 H.J. Lu * manager.c (__pthread_manager): Do block __pthread_sig_debug. Don't restart the thread which sent REQ_DEBUG. (pthread_start_thread): Check if __pthread_sig_debug > 0 before debugging. * pthread.c (__pthread_initialize_manager): Suspend ourself after sending __pthread_sig_debug to gdb instead of __pthread_sig_cancel. 1999-01-24 H.J. Lu * manager.c (__pthread_manager): Delete __pthread_sig_debug from mask if __pthread_sig_debug > 0. (pthread_handle_create): Increment __pthread_handles_num. * manager.c (pthread_handle_create): Don't pass CLONE_PTRACE to clone. * pthread.c (__pthread_initialize_manager): Likewise. * pthread.c (pthread_initialize): Use __libc_allocate_rtsig (1) instead of __libc_allocate_rtsig (2). (__pthread_initialize_manager): Send __pthread_sig_debug to gdb instead of __pthread_sig_cancel. (pthread_handle_sigdebug): Fix comments. 1999-01-21 Ulrich Drepper * manager.c (pthread_allocate_stack): Set __pthread_nonstandard_stacks if user-specified stack is used. 1999-01-16 Ulrich Drepper * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add _LFS_ASYNCHRONOUS_IO, _LFS_LARGEFILE, _LFS64_LARGEFILE, and _LFS64_STDIO from Unix98. 1999-01-07 Xavier Leroy * pthread.c: Use a third signal __pthread_sig_debug distinct from __pthread_sig_cancel to notify gdb when a thread is created * manager.c: Likewise. * internals.h: Likewise. * signals.c: The implementation of sigwait(s) assumed that all signals in s have signal handlers already attached. This is not required by the standard, so make it work also if some of the signals have no handlers. 1999-01-05 Andreas Schwab * linuxthreads.texi: Remove pointers from first @node. Move old @node spec inside comment. 1998-12-31 Ulrich Drepper * sysdeps/pthread/bits/stdio-lock.h: Define _IO_lock_lock and _IO_lock_unlock. 1998-12-29 Ulrich Drepper * semaphore.c (sem_trywait): Don't forget to unlock the semaphore lock. Patch by Bernd Schmidt . 1998-12-21 Ulrich Drepper * manager.c: Threads now send __pthread_sig_cancel on termination. Change clone call and signal masks. * thread.c (pthread_handle_sigrestart): Remove special code for manager. (pthread_handle_sigcancel): In manager thread call __pthread_manager_sighandler. * sysdeps/i386/pt-machine.h (__compare_and_swap): Add memory clobber. * sysdeps/i386/i686/pt-machine.h: Likewise. Patches by Xavier Leroy. 1998-12-14 Ulrich Drepper * spinlock.c (__pthread_unlock): Don't crash if called for an untaken mutex. Reported by Ruslan V. Brushkoff . * Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce overall runtime. 1998-12-13 Ulrich Drepper * Examples/ex3.c: Wait until all threads are started before searching for the number to avoid race condition on very fast systems. 1998-12-08 Andreas Jaeger * sysdeps/pthread/pthread.h: Remove __pthread_setcanceltype declaration since it's not needed. * sysdeps/pthread/pthread.h: Move internal functions to ... * internals.h: ...here. 1998-12-02 H.J. Lu * pthread.c (__pthread_sig_restart): Initiliaze to 0 if SIGRTMIN is defined. (__pthread_sig_cancel): Likewise. 1998-12-01 Andreas Jaeger * wrapsyscall.c: Include for msync, for system and for tcdrain prototype. Correct msync declaration. 1998-11-29 Roland McGrath * sysdeps/pthread/bits/libc-tsd.h (__libc_tsd_define, __libc_tsd_get, __libc_tsd_set): New macros for new interface. * no-tsd.c: New file, provide uninitialized defns of __libc_internal_tsd_get and __libc_internal_tsd_set. * Makefile (routines): Add no-tsd. 1998-10-12 Roland McGrath * internals.h: Include , not . * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get, __libc_internal_tsd_set): Move decls to ... * sysdeps/pthread/bits/libc-tsd.h: New file for __libc_internal_tsd_* declarations. * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get, __libc_internal_tsd_set): Make these pointers to functions, not functions; remove #pragma weak decls for them. * specific.c (__libc_internal_tsd_get, __libc_internal_tsd_set): Define static functions and initialized pointers to them. 1998-11-18 Ulrich Drepper * Makefile (CFLAGS-mutex.c): Define as -D__NO_WEAK_PTHREAD_ALIASES. (CFLAGS-specific.c): Likewise. (CFLAGS-pthread.c): Likewise. (CFLAGS-ptfork.c): Likewise. (CFLAGS-cancel.c): Likewise. * sysdeps/pthread/bits/libc-lock.h: Don't mark __pthread_* functions as weak references if __NO_WEAK_PTHREAD_ALIASES is defined. * mutex.c (pthread_mutex_init): Define as strong symbol. (pthread_mutex_destroy): Likewise. (pthread_mutex_trylock): Likewise. (pthread_mutex_lock): Likewise. (pthread_mutex_unlock): Likewise. (pthread_mutexattr_init): Likewise. (pthread_mutexattr_destroy): Likewise. (pthread_once): Likewise. * ptfork.c (pthread_atfork): Likewise. * specific.c (pthread_key_create): Likewise. (pthread_setspecific): Likewise. (pthread_getspecific): Likewise. 1998-11-15 Andreas Schwab * linuxthreads.texi: Fix punctuation after xref. 1998-11-10 H.J. Lu * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine NR_OPEN if it is defined in . 1998-10-29 14:28 Ulrich Drepper * spinlock.h (__pthread_trylock): Define inline. (__pthread_lock): Add extra parameter to declaration. Declare using internal_function. (__pthread_unlock): Declare using internal_function. * spinlock.c (__pthread_lock): Add new parameter. Use it instead of local variable self. Avoid recomputing self. Define using internal_function. (__pthread_trylock): Remove. (__pthread_unlock): Define using internal_function. * cancel.c: Adjust for __pthread_lock interface change. Use already computed self value is possible. * condvar.c: Likewise. * join.c: Likewise. * manager.c: Likewise. * mutex.c: Likewise. * pthread.c: Likewise. * rwlock.c: Likewise. * semaphore.c: Likewise. * signals.c: Likewise. 1998-10-27 13:46 Ulrich Drepper * sysdeps/pthread/pthread.h (struct _pthread_cleanup_buffer): Prepend __ to field names of the struct. * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_fastlock): Likewise. (pthread_attr_t): Likewise. (pthread_cond_t): Likewise. (pthread_condattr_t): Likewise. (pthread_mutex_t): Likewise. (pthread_mutexattr_t): Likewise. (pthread_rwlock_t): Likewise. (pthread_rwlockattr_t): Likewise. * attr.c: Adjust for pthread.h and pthreadtypes.h change. * cancel.c: Likewise. * condvar.c: Likewise. * manager.c: Likewise. * mutex.c: Likewise. * pthread.c: Likewise. * ptlongjmp.c: Likewise. * rwlock.c: Likewise. * spinlock.c: Likewise. 1998-10-09 Ulrich Drepper * sysdeps/i386/pt-machine.h (get_eflags, set_eflags): Mark these also with PT_EI. * sysdeps/i386/i686/pt-machine.h: Remove unused inline definitions. * Makefile (libpthread-routines): Add pt-machine. * pt-machine.c: New file. * sysdeps/alpha/pt-machine.h: Define PT_EI as extern inline is not yet defined. Use PT_EI in extern inline definitions. * sysdeps/arm/pt-machine.h: Likewise. * sysdeps/i386/pt-machine.h: Likewise. * sysdeps/i386/i686/pt-machine.h: Likewise. * sysdeps/m68k/pt-machine.h: Likewise. * sysdeps/mips/pt-machine.h: Likewise. * sysdeps/powerpc/pt-machine.h: Likewise. * sysdeps/sparc/sparc32/pt-machine.h: Likewise. * sysdeps/sparc/sparc64/pt-machine.h: Likewise. 1998-10-02 Andreas Jaeger * semaphore.h: Include so that _pthread_descr is declared. 1998-09-15 David S. Miller * sysdeps/sparc/sparc32/pt-machine.h (INIT_THREAD_SELF): Add nr argument. * sysdeps/sparc/sparc64/pt-machine.h (INIT_THREAD_SELF): Likewise. 1998-09-12 14:24 -0400 Zack Weinberg * linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h: Add multiple inclusion guard. 1998-09-02 11:08 Andreas Schwab * signals.c (sigaction): Check that sig is less than NSIG to avoid array index overflow. 1998-09-06 10:56 Ulrich Drepper * sysdeps/pthread/semaphore.h: New file. 1998-09-06 09:08 Ulrich Drepper * sysdeps/pthread/bits/libc-lock.h (enum __libc_tsd_key_t): Add _LIBC_TSD_KEY_DL_ERROR. 1998-08-31 Ulrich Drepper * sysdeps/i386/i686/pt-machine.h (testandset): Add memory clobber. * sysdeps/i386/pt-machine.h: Likewise. Suggested by Roland McGrath. 1998-08-28 13:58 Ulrich Drepper * internals.h: Also define THREAD_GETMEM_NC and THREAD_SETMEM_NC to access thread data with non-constant offsets. * specific.c: Use THREAD_GETMEM_NC and THREAD_SETMEM_NC where necessary. * sysdeps/i386/useldt.h: Fix typo. Add THREAD_GETMEM_NC and THREAD_SETMEM_NC definitions. * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM_NC and THREAD_SETMEM_NC. * sysdeps/sparc/sparc64/pt-machine.h: Likewise. 1998-08-26 15:46 Ulrich Drepper * internals.h: Define THREAD_GETMEM and THREAD_SETMEM to default if not already defined. (struct _pthread_descr_struct): Add p_self and p_nr field. * manager.c (__pthread_handles): Define second element to point to manager thread. (__pthread_handles_num): Initialize to 2. (__pthread_manager): Use INIT_THREAD_SELF with two arguments. (pthread_start_thread): Likewise. (pthread_handle_create): Start search for free slot at entry 2. Initialize new fields p_self and p_nr. Call __clone with CLONE_PTRACE if available. (pthread_free): Call FREE_THREAD_SELF if available. * pthread.c (__pthread_initial_thread): Initialize new fields. (__pthread_manager_thread): Likewise. (__pthread_initialize_manager): Call __clone with CLONE_PTRACE. * cancel.c: Use THREAD_GETMEM and THREAD_SETMEM to access the elements of the thread descriptor. * condvar.c: Likewise. * errno.c: Likewise. * join.c: Likewise. * manager.c: Likewise. * pthread.c: Likewise. * ptlongjmp.c: Likewise. * semaphore.c: Likewise. * signals.c: Likewise. * specific.c: Likewise. * spinlock.c: Likewise. * sysdeps/alpha/pt-machine.h (INIT_THREAD_SELF): Add extra parameter. * sysdeps/i386/useldt.h: New file. * sysdeps/i386/i686/pt-machine.h: Show how to use this file. * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM and THREAD_SETMEM using __thread_self. * sysdeps/sparc/sparc64/pt-machine.h: Likewise. 1998-08-24 Geoff Keating * spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it turned out that we didn't need to queue after all. 1998-08-22 Geoff Keating * sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used and wastes space; correct types. 1998-08-08 11:18 H.J. Lu * signals.c (sigaction): Handle NULL argument. 1998-08-04 Ulrich Drepper * sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead of sigset_t. 1998-08-02 Andreas Schwab * Makefile (linuxthreads-version): Extract correct number from Banner. 1998-07-29 Xavier Leroy * Banner: Bump version number to 0.8 * FAQ.html: Many updates, in particular w.r.t. debugging. * manager.c: Support for non-default stacksize for LinuxThreads-allocated stacks; don't use guard pages for stacks with default size, rely on rlimit(RLIMIT_STACK) instead (it's cheaper). * attr.c: Likewise. * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART. * condvar.c: Likewise. * internals.h: Likewise. * restart.h: Likewise. * signals.c: Likewise. * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it. 1998-07-23 Andreas Schwab * weaks.c: Define pthread_mutexattr_[sg]ettype instead of __pthread_mutexattr_[sg]ettype. Add more weak aliases. * Versions: Put __pthread_mutexattr_settype under version GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and __pthread_mutexattr_gettype. 1998-07-23 Andreas Schwab * sysdeps/pthread/bits/libc-lock.h: Make __pthread_mutexattr_settype weak. Don't make __pthread_mutexattr_setkind_np weak. 1998-07-16 10:52 Ulrich Drepper * manager.c (pthread_handle_create): Check whether sched_setscheduler call can succeed here. * mutex.c: Define __pthread_mutexattr_settype and make __pthread_mutexattr_setkind_np an alias. Likewise for __pthread_mutexattr_gettype. 1998-07-15 11:00 -0400 Zack Weinberg * attr.c (pthread_attr_setschedpolicy): Don't check whether caller is root. 1998-07-14 19:38 Ulrich Drepper * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end. 1998-07-11 Andreas Jaeger * Examples/ex6.c: Include for usleep. 1998-06-13 11:04 Andreas Schwab * Examples/ex4.c (main): Use exit, not pthread_exit. 1998-07-09 13:39 Ulrich Drepper * Versions: Add __pthread_mutexattr_gettype and __pthread_mutexattr_settype. * lockfile.c: Use __pthread_mutexattr_settype instead of __pthread_mutexattr_setkind_np. * mutex.c: Define __pthread_mutexattr_gettype and __pthread_mutexattr_settype. * weak.c: Likewise. * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and __pthread_mutexattr_settype. * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive): Use __pthread_mutexattr_settype. 1998-07-08 22:26 Ulrich Drepper * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype. * mutex.c: Define weak alias pthread_mutexattr_gettype and pthread_mutexattr_settype. * sysdeps/pthread/pthread.h: Declare these functions. Move pthread_sigmask and pthread_kill declaration in separate header. * sysdeps/unix/sysv/linux/bits/sigthread.h: New file. 1998-07-07 15:20 Ulrich Drepper * Makefile: Add rules to compile and run tests. * Examples/ex1.c: Little changes to fix warnings. * Examples/ex2.c: Likewise. * Examples/ex3.c: Likewise. * Examples/ex4.c: Likewise. * Examples/ex5.c: Likewise. * Examples/ex6.c: New file. 1998-07-05 11:54 Ulrich Drepper * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc. 1998-07-01 Andreas Jaeger * attr.c: Include . 1998-06-30 11:47 Ulrich Drepper * attr.c: Include errno.h. Use memcpy to copy sched_param. * internals.h: Include limits.h. * manager.c: Use memcpy to copy sched_param. * ptfork.c: Include errno.h. * pthread.c: Likewise. * semaphore.c: Likewise. * specific.c: Likewise. * spinlock.h: Likewise. * sysdeps/pthread/pthread.h: Include only allowed headers. Move type definition to ... * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file. 1998-06-29 12:34 Ulrich Drepper * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers. * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also as macros as demanded in POSIX.1, Annex C. 1998-06-29 12:29 Ulrich Drepper * internals.h (struct pthread_request): For free use pthread_t instead of pthread_descr. * join.c (pthread_join): Pass thread_id, not th to manager. (pthread_detach): Likewise. * manager.c (__pthread_manager): Except thread ID in FREE_REQ case. (pthread_exited): Remove detached queue code. (pthread_handle_free): Expect thread ID parameter and use it to validate the thread decsriptor. Don't use detached queue. Patches by Xavier Leroy. 1998-06-27 Andreas Schwab * libpthread.map: Export accept, longjmp, sigaction, siglongjmp, _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile, __pthread_atfork, __pthread_key_create, __pthread_once. * internals.h: Doc fix. * pthread.c (__pthread_initialize): Define again. 1998-06-26 Ulrich Drepper * manager.c (pthread_exited): If thread is not detached put it on special list. (pthread_handle_free): If thread is not on list with living threads search on list with detached threads. * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct for new definition of pthread_rwlock_t. * spinlock.c: Correct test whether to compile __pthread_compare_and_swap or not. 1998-06-25 19:27 Ulrich Drepper * attr.c: Finish user stack support. Change locking code to be safe in situations with different priorities. * cancel.c: Likewise. * condvar.c: Likewise. * internals.h: Likewise. * join.c: Likewise. * manager.c: Likewise. * mutex.c: Likewise. * pthread.c: Likewise. * ptlongjmp.c: Likewise. * queue.h: Likewise. * rwlock.c: Likewise. * semaphore.c: Likewise. * semaphore.h: Likewise. * signals.c: Likewise. * spinlock.c: Likewise. * spinlock.h: Likewise. * sysdeps/pthread/pthread.h: Likewise. Patches by Xavier Leroy. * sysdeps/i386/i686/pt-machine.h: New file. 1998-06-25 Ulrich Drepper * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and [sg]et_stackaddr prototypes always available. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR. 1998-06-24 Ulrich Drepper * manager.c (pthread_free): Undo patch from 980430. Reported by David Wragg . 1998-06-09 15:07 Ulrich Drepper * manager.c: Define __pthread_manager_adjust_prio and use it to increase priority when needed. * internals.h: Add prototype for __pthread_manager_adjust_prio. * mutex.c: Optimize mutexes to wake up only one thread. * pthread.c: Move PID of manager for global variable in structure element. Patches by Xavier Leroy. 1998-06-07 13:47 Ulrich Drepper * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit. 1998-06-03 Andreas Jaeger * attr.c: Correct typo. 1998-05-01 Ulrich Drepper * manager.c (pthread_free): Unmap guard before the stack. Patch by Matthias Urlichs. 1998-04-30 Ulrich Drepper * manager.c (pthread_free): Detect already free child. Patch by Xavier Leroy, reported by Matthias Urlichs. 1998-04-23 Andreas Schwab * Makefile (linuxthreads-version): Renamed back from libpthread-version. 1998-04-21 Ulrich Drepper * ptlongjmp.c: Add prototypes for __libc_siglongjmp and __libc_longjmp. 1998-04-20 14:55 Ulrich Drepper * Makefile (libpthread-routines): Add ptlongjmp and spinlock. * internals.h: Add definitions for new spinlock implementation. * ptlongjmp.c: New file. * spinlock.c: New file. * spinlock.h (acquire): Don't reschedule using __sched_yield, use new function __pthread_acquire to prevent deadlocks with thread with different priorities. Patches by Xavier Leroy . 1998-03-16 Andreas Schwab * manager.c (__pthread_manager): Reduce first argument to select to include just the needed file descriptor. 1998-03-17 00:06 Ulrich Drepper * manager.c: Fix last patch which caused core dumps. * pthread.c: Correctly handle missing SIGRTMIN. 1998-03-15 Andreas Schwab * libpthread.map: Add __libc_internal_tsd_get and __libc_internal_tsd_set. Add missing cancelable functions. Export libc internal versions of the cancelable functions. 1998-03-13 16:51 Ulrich Drepper * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1. 1998-03-13 00:46 Ulrich Drepper * attr.c: Implement pthread_attr_[gs]etguardsize, pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize. Change pthread_attr_init to have two interfaces. * internals.h (struct _pthread_descr_struct): Add new fields for above functions. * libpthread.map: Add names in GLIBC_2.1 section. * manager.c (pthread_handle_create): Implement guardsize and user stack. (pthread_free): Likewise. * pthread.c (pthread_create): Add new interface for changed pthread_attr_t. * sysdeps/pthread/pthread.h: Add prototypes for new functions. * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of PTHREAD_STACK_MIN. 1998-03-11 00:42 Wolfram Gloger * manager.c: Enable resetting of the thread scheduling policy to SCHED_OTHER when the parent thread has a different one. 1998-02-01 13:51 Ulrich Drepper * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_ASYNCHRONOUS_IO. * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of mutexes. * mutex.c: Implement new mutex types. * internals.h: Include . * libpthread.map: Add __erno_location and __h_errno_location. * errno.c: Return pointer to variable actually in use. This might not be the one in the thread structure. * internals.h (struct _pthread_descr_struct): Add new fields p_errnop and p_h_errnop. * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member of manager thread structure. (pthread_handle_create): Set p_errnop and p_h_errnop members for new thread. * pthread.c: Adapt initializer for thread structures. (__pthread_initial_thread): Set p_errnop and p_h_errnop member. (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of current thread to global variables. 1998-01-31 17:27 Ulrich Drepper * rwlock.c: New file. * Makefile (libpthread-routines): Add rwlock. * sysdeps/pthread/pthread.h: Define data structures and declare functions. * libpthread.map: Add new functions. 1997-12-18 13:50 Philip Blundell * sysdeps/arm/pt-machine.h: New file; add ARM support. * sysdeps/arm/Implies: likewise. * README: Document it. 1997-12-13 Andreas Schwab * signals.c: Remove unneeded initializer for sigwaited, saving a warning. 1997-04-11 01:18 Andreas Schwab * semaphore.c (sem_init): Set sem_spinlock only if available. 1997-12-04 01:48 Ulrich Drepper * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR. * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR. * Makefile: Update from LinuxThreads 0.7. * internals.h. Likewise. * manager.c: Likewise. * mutex.c: Likewise. * pthread.c: Likewise. * signals.c: Likewise. * specific.c: Likewise. * Examples/ex3.c: Likewise. 1997-11-20 18:13 Ulrich Drepper * pthread.c (__pthread_reset_main_thread): Close pipe only if still open. 1997-10-29 05:38 Ulrich Drepper * wrapsyscall.c: Add socket functions which are also cancelation points. 1997-10-19 21:40 Wolfram Gloger * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get): New functions for fast thread specific data within libc. * internals.h: Add new array p_libc_specific to struct _pthread_descr_struct. * sysdeps/pthread/bits/libc-lock.h: Declare new functions. 1997-10-13 05:39 Ulrich Drepper * semaphore.h: Add __BEGIN_DECLS/__END_DECLS. Reported by Ralf Corsepius . 1997-08-29 03:05 Ulrich Drepper * internals.h (struct _pthread_descr_struct): Add definitions for two-level specific key handling. * manager.c (pthread_handle_create): Initialize specific memory array. * specific.c: Implement two-level key handling. * weaks.c: Don't provide dummy key handling. * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define). Add definition of __libc_key_t. * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX as 1024. Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and PTHREAD_DESTRUCTOR_ITERATIONS. * manager.c (pthread_handle_create): Compare mmap result with MAP_FAILED. * ptfork.c: Rename to __pthread_atfork and make old name a weak alias. * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork. 1997-08-22 19:04 Richard Henderson sysdeps/sparc -> sysdeps/sparc/sparc32 sysdeps/sparc64 -> sysdeps/sparc/sparc64 * internals.h: Change definition of THREAD_SELF to be an expression, not a statement that did a return. * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly. * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF): Follow Solaris and use a "system reserved" register (%g6) to hold the thread descriptor. * sysdeps/sparc/sparc64/pt-machine.h: Likewise. 1997-08-03 00:09 Ulrich Drepper * mutex.c: Correct pthread_once. Patch by Xavier Leroy. * sysdeps/pthread/pthread.h: Add prototype for __pthread_once. * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once. * semaphore.c: Include spinlock.h only when needed. * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject keys for entries not in use. * weaks.c: Implement key handling functions for real. 1997-06-29 01:04 Richard Henderson Initial sparc64-linux support: * linuxthreads/sysdeps/sparc64/Implies: New file. * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise. 1997-06-29 00:48 Ulrich Drepper * semaphore.c: Include spinlock.h at correct place. Patch by HJ Lu. 1997-06-13 10:06 Richard Henderson The Great Bit File Move: * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h. * sysdeps/powerpc/semaphorebits.h: Likewise. * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise. * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise. * sysdeps/pthread/libc-lock.h: -> bits/ * sysdeps/pthread/stdio-lock.h: Likewise. * sysdeps/unix/sysv/linux/local_lim.h: Likewise. * sysdeps/unix/sysv/linux/posix_opt.h: Likewise. * semaphore.h: Likewise. * sysdeps/pthread/pthread.h: Likewise. * lockfile.c: -> . * semaphore.h: Likewise. * Makefile: (headers): foo.h -> bits/foo.h. * sysdeps/pthread/Makefile: Likewise. 1997-04-11 01:18 Andreas Schwab * semaphore.c (sem_init): Set sem_spinlock only if available. * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix asm constraints. 1997-04-09 03:00 Ulrich Drepper Update from LinuxThreads 0.6. * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max and __sched_get_priority_min instead of names without `__'. * manager.c: Rewrite large parts to implement opaque pthread_t. * cancel.c: Adapt for opaque pthread_t type. * condvar.c: Likewise. * errno.c: Likewise. * join.c: Likewise. * mutex.c: Likewise. * pthread.c: Likewise. * signals.c: Likewise. * specific.c: Likewise. * restart.h: Likewise. * queue.h: Likewise. * Examples/ex3.c: Likewise. * Examples/ex4.c: Likewise. * sysdeps/pthread/pthread.h: Likewise. * pthread.c: Accumulate time for all threads in thread manager. * semaphore.c: Implement fallback implementation for architectures sometimes missing compare-exchange operations. * cancel.c (pthread_cancel): Validate handle argument. * join.c (pthread_join): Likewise. (pthread_detach): Likewise. * signals.c (pthread_kill): Likewise. * spinlock.h (acquire): Use __sched_yield not sched_yield. * queue.h (enqueue): Enqueue thread according to priority. * internals.c (struct pthread_start_args): New struct for passing args to cloning function. (struct _pthread): Rename to _pthread_descr_struct and adapt for opaque pthread_t. * Examples/Makefile (clean): Pass -f option to rm. * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction and define TEST_FOR_COMPARE_AND_SWAP. * sysdeps/i386/i486/pt-machine.h: Removed. * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase to 1024. 1997-04-04 16:38 Ulrich Drepper * restart.h (suspend): Clear p_signal before suspending. (suspend_with_cancellation): Likewise. Patch by Xavier Leroy . * weaks.c: Make __pthread_key_create return 1. * sysdeps/pthread/libc-lock.h: Define __libc_key_create, __libc_getspecific, __libc_setspecific, and __libc_key_t. * sysdeps/pthread/stdio-lock.h: Don't care for implementation not using libio. 1997-03-19 15:13 Miguel de Icaza * sysdeps/sparc/pt-machine (RELEASE): Fix. 1997-03-01 07:55 Geoff Keating * sysdeps/powerpc/Implies: Added. * sysdeps/powerpc/pt-machine.h: Added. * sysdeps/powerpc/semaphorebits.h: Added. 1997-01-22 01:22 Ulrich Drepper * linuxtheads/pthread.c (__pthread_initial_thread): Correct initializer. (__pthread_manager_thread): Likewise. Reported by Andreas Jaeger. 1997-01-18 22:15 Richard Henderson Since sigset_t no longer fits in a register, we can't pass in the thread's initial mask so easily. Take this opportunity to simplify the clone implementation by only accepting a single void* argument. * linuxthreads/manager.c (__pthread_manager): Put thread vitals in the thread struct instead of as arguments through clone. (pthread_start_thread): Look for them there. * linuxthreads/internals.h (struct _pthread): Add p_initial_fn, p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto. * linuxthreads/pthread.c (pthread_initialize_manager): Revise clone invocation.