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Diffstat (limited to 'libpthread/linuxthreads/ChangeLog')
| -rw-r--r-- | libpthread/linuxthreads/ChangeLog | 1257 |
1 files changed, 1257 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/ChangeLog b/libpthread/linuxthreads/ChangeLog new file mode 100644 index 000000000..0025b87c0 --- /dev/null +++ b/libpthread/linuxthreads/ChangeLog @@ -0,0 +1,1257 @@ +2000-02-22 Ulrich Drepper <drepper@redhat.com> + + * semaphore.h (SEM_FAILED): Use 0 not NULL. + +2000-02-14 Ulrich Drepper <drepper@redhat.com> + + * 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 <kaz@ashi.footprints.net>. + +2000-02-13 Ulrich Drepper <drepper@redhat.com> + + * 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 <kaz@ashi.footprints.net> + + * 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 <drepper@redhat.com> + + * 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 <drepper@redhat.com> + + * 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 <drepper@cygnus.com> + + * manager.c (pthread_allocate_stack): Compute guard page address + correctly. Patch by HJ Lu. + +2000-01-12 Ulrich Drepper <drepper@cygnus.com> + + * 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 <kaz@ashi.footprints.net>. + +2000-01-06 Andreas Jaeger <aj@suse.de> + + * pthread.c: Remove extra initializer. + +2000-01-05 Ulrich Drepper <drepper@cygnus.com> + + * 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 <kaz@ashi.footprints.net> + + 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <aj@suse.de> + + * pthread.c (pthread_initialize): Move getrlimit call after + setting of errno. + +1999-12-01 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/i386/pt-machine.h: Move stack_pointer definition to the + beginning. + * sysdeps/i386/i686/pt-machine.h: Likewise. + Patches by Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>. + +1999-11-23 Ulrich Drepper <drepper@cygnus.com> + + * manager.c (pthread_start_thread_event): Initialize p_pid already + here. + +1999-11-22 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * pthread.c (__pthread_initialize_manager): Initialize + __pthread_manager_thread.p_tid. + +1999-11-02 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <Xavier.Leroy@inria.fr> + + * 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 <aj@suse.de> + + * internals.h: Add __new_sem_post to get prototype in + manager.c; include semaphore.h for needed types. + +1999-10-08 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * condvar.c (pthread_cond_timedwait_relative): Never return with + EINTR. Patch by Andreas Schwab. + +1999-09-19 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * specific.c: Move definitions of struct pthread_key_struct and + destr_function to ... + * internals.h: ...here. + +1999-09-03 Andreas Schwab <schwab@suse.de> + + * 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 <schwab@suse.de> + + * signals.c (pthread_sighandler): Add SIGCONTEXT_EXTRA_ARGS to + call to signal handler. + +1999-08-20 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * Versions [ld.so] (GLIBC_2.0): Export __libc_internal_tsd_get and + __libc_internal_tsd_set. + +1999-07-29 Andreas Jaeger <aj@arthur.rhein-neckar.de> + + * manager.c: Remove inclusion of <linux/tasks.h> since it's not + needed anymore. + +1999-07-16 Andreas Jaeger <aj@arthur.rhein-neckar.de> + + * internals.h: Align _pthread_descr_struct to 32 bytes. + Reported by Tim Hockin <thockin@cobaltnet.com>, close PR libc/1206. + +1999-07-09 Ulrich Drepper <drepper@cygnus.com> + + * manager.c (pthread_handle_create): Free mmap region after stack + if clone failed. Patch by Kaz Kylheku <kaz@ashi.FootPrints.net>. + +1999-07-09 Cristian Gafton <gafton@redhat.com> + + * 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 <robey@netscape.com> + + * 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 <aj@arthur.rhein-neckar.de> + + * man/pthread_cond_init.man: Correct example. + Reported by Tomas Berndtsson <tomas@nocrew.org>. + + * linuxthreads.texi (Condition Variables): Likewise. + +1999-05-18 Jakub Jelinek <jj@ultra.linux.cz> + + * 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 <Xavier.Leroy@inria.fr> + + * 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 <drepper@cygnus.com> + + * sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): cas + instruction does not allow memory element to use offset. + +1999-04-28 Ulrich Drepper <drepper@cygnus.com> + + * 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 <aj@arthur.rhein-neckar.de> + + * 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 <drepper@cygnus.com> + + * 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 <hjl@gnu.org> + + * 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 <hjl@gnu.org> + + * 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 <hjl@gnu.org> + + * 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 <hjl@gnu.org> + + * 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 <drepper@cygnus.com> + + * manager.c (pthread_allocate_stack): Set + __pthread_nonstandard_stacks if user-specified stack is used. + +1999-01-16 Ulrich Drepper <drepper@cygnus.com> + + * 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 <Xavier.Leroy@inria.fr> + + * 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 <schwab@issan.cs.uni-dortmund.de> + + * linuxthreads.texi: Remove pointers from first @node. Move old + @node spec inside comment. + +1998-12-31 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/pthread/bits/stdio-lock.h: Define _IO_lock_lock and + _IO_lock_unlock. + +1998-12-29 Ulrich Drepper <drepper@cygnus.com> + + * semaphore.c (sem_trywait): Don't forget to unlock the semaphore + lock. Patch by Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>. + +1998-12-21 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * spinlock.c (__pthread_unlock): Don't crash if called for an + untaken mutex. Reported by Ruslan V. Brushkoff <rus@Snif.Te.Net.UA>. + + * Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce + overall runtime. + +1998-12-13 Ulrich Drepper <drepper@cygnus.com> + + * 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 <aj@arthur.rhein-neckar.de> + + * 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 <hjl@gnu.org> + + * pthread.c (__pthread_sig_restart): Initiliaze to 0 if + SIGRTMIN is defined. + (__pthread_sig_cancel): Likewise. + +1998-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> + + * wrapsyscall.c: Include <sys/mman.h> for msync, + <stdlib.h> for system and <termios.h> for tcdrain prototype. + Correct msync declaration. + +1998-11-29 Roland McGrath <roland@baalperazim.frob.com> + + * 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 <roland@baalperazim.frob.com> + + * internals.h: Include <bits/libc-tsd.h>, not <bits/libc-lock.h>. + * 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 <drepper@cygnus.com> + + * 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 <schwab@issan.cs.uni-dortmund.de> + + * linuxthreads.texi: Fix punctuation after xref. + +1998-11-10 H.J. Lu <hjl@gnu.org> + + * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine NR_OPEN + if it is defined in <linux/limits.h>. + +1998-10-29 14:28 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <aj@arthur.rhein-neckar.de> + + * semaphore.h: Include <sys/types.h> so that _pthread_descr + is declared. + +1998-09-15 David S. Miller <davem@pierdol.cobaltmicro.com> + + * 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 <zack@rabi.phys.columbia.edu> + + * linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h: Add + multiple inclusion guard. + +1998-09-02 11:08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * signals.c (sigaction): Check that sig is less than NSIG to avoid + array index overflow. + +1998-09-06 10:56 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/pthread/semaphore.h: New file. + +1998-09-06 09:08 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/pthread/bits/libc-lock.h (enum __libc_tsd_key_t): Add + _LIBC_TSD_KEY_DL_ERROR. + +1998-08-31 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <geoffk@ozemail.com.au> + + * 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 <geoffk@ozemail.com.au> + + * sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used + and wastes space; correct types. + +1998-08-08 11:18 H.J. Lu <hjl@gnu.org> + + * signals.c (sigaction): Handle NULL argument. + +1998-08-04 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead + of sigset_t. + +1998-08-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * Makefile (linuxthreads-version): Extract correct number from + Banner. + +1998-07-29 Xavier Leroy <Xavier.Leroy@inria.fr> + + * 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 <schwab@issan.informatik.uni-dortmund.de> + + * 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 <schwab@issan.informatik.uni-dortmund.de> + + * 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 <drepper@cygnus.com> + + * 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 <zack@rabi.phys.columbia.edu> + + * attr.c (pthread_attr_setschedpolicy): Don't check whether caller + is root. + +1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com> + + * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end. + +1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de> + + * Examples/ex6.c: Include <unistd.h> for usleep. + +1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * Examples/ex4.c (main): Use exit, not pthread_exit. + +1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc. + +1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> + + * attr.c: Include <string.h>. + +1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <schwab@issan.informatik.uni-dortmund.de> + + * 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * manager.c (pthread_free): Undo patch from 980430. + Reported by David Wragg <dpw@doc.ic.ac.uk>. + +1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit. + +1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> + + * attr.c: Correct typo. + +1998-05-01 Ulrich Drepper <drepper@cygnus.com> + + * manager.c (pthread_free): Unmap guard before the stack. + Patch by Matthias Urlichs. + +1998-04-30 Ulrich Drepper <drepper@cygnus.com> + + * manager.c (pthread_free): Detect already free child. + Patch by Xavier Leroy, reported by Matthias Urlichs. + +1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * Makefile (linuxthreads-version): Renamed back from + libpthread-version. + +1998-04-21 Ulrich Drepper <drepper@cygnus.com> + + * ptlongjmp.c: Add prototypes for __libc_siglongjmp and + __libc_longjmp. + +1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com> + + * 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 <Xavier.Leroy@inria.fr>. + +1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * manager.c (__pthread_manager): Reduce first argument to select + to include just the needed file descriptor. + +1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com> + + * manager.c: Fix last patch which caused core dumps. + + * pthread.c: Correctly handle missing SIGRTMIN. + +1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * 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 <drepper@cygnus.com> + + * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1. + +1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com> + + * 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 <wmglo@dent.med.uni-muenchen.de> + + * 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 <drepper@cygnus.com> + + * 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 <signal.h>. + + * 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 <drepper@cygnus.com> + + * 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 <pb@nexus.co.uk> + + * sysdeps/arm/pt-machine.h: New file; add ARM support. + * sysdeps/arm/Implies: likewise. + * README: Document it. + +1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * signals.c: Remove unneeded initializer for sigwaited, saving a + warning. + +1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * semaphore.c (sem_init): Set sem_spinlock only if available. + +1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com> + + * 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 <drepper@cygnus.com> + + * pthread.c (__pthread_reset_main_thread): Close pipe only if still + open. + +1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com> + + * wrapsyscall.c: Add socket functions which are also cancelation + points. + +1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de> + + * 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 <drepper@cygnus.com> + + * semaphore.h: Add __BEGIN_DECLS/__END_DECLS. + Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>. + +1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com> + + * 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 <rth@cygnus.com> + + 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 <drepper@cygnus.com> + + * 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 <richard@gnu.ai.mit.edu> + + Initial sparc64-linux support: + * linuxthreads/sysdeps/sparc64/Implies: New file. + * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise. + +1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com> + + * semaphore.c: Include spinlock.h at correct place. + Patch by HJ Lu. + +1997-06-13 10:06 Richard Henderson <rth@tamu.edu> + + 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: <foo.h> -> <bits/foo.h>. + * semaphore.h: Likewise. + + * Makefile: (headers): foo.h -> bits/foo.h. + * sysdeps/pthread/Makefile: Likewise. + +1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * 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 <drepper@cygnus.com> + + 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 <drepper@cygnus.com> + + * restart.h (suspend): Clear p_signal before suspending. + (suspend_with_cancellation): Likewise. + Patch by Xavier Leroy <Xavier.Leroy@inria.fr>. + + * 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 <miguel@nuclecu.unam.mx> + + * sysdeps/sparc/pt-machine (RELEASE): Fix. + +1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au> + + * sysdeps/powerpc/Implies: Added. + * sysdeps/powerpc/pt-machine.h: Added. + * sysdeps/powerpc/semaphorebits.h: Added. + +1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com> + + * linuxtheads/pthread.c (__pthread_initial_thread): Correct + initializer. + (__pthread_manager_thread): Likewise. + Reported by Andreas Jaeger. + +1997-01-18 22:15 Richard Henderson <rth@tamu.edu> + + 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. |