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Diffstat (limited to 'libpthread/nptl/ChangeLog')
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diff --git a/libpthread/nptl/ChangeLog b/libpthread/nptl/ChangeLog new file mode 100644 index 000000000..c81eb03b7 --- /dev/null +++ b/libpthread/nptl/ChangeLog @@ -0,0 +1,11100 @@ +2010-01-15 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: + Fix unwind info. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Likewise. + +2010-01-15 Michal Schmidt <mschmidt@redhat.com> + + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: + Fix pthread_cond_timedwait with requeue-PI. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: + Fix pthread_cond_wait with requeue-PI. + +2010-01-14 Ulrich Drepper <drepper@redhat.com> + + * Versions: Add pthread_mutex_consistent, pthread_mutexattr_getrobust, + and pthread_mutexattr_setrobust for GLIBC_2.12. + * pthread_mutex_consistent.c: Define alias pthread_mutex_consistent. + * pthread_mutexattr_getrobust.c: Define alias + pthread_mutexattr_getrobust. + * pthread_mutexattr_setrobust.c: Define alias + pthread_mutexattr_setrobust. + +2010-01-12 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/pthread.h: Cleanup. Fix up for XPG7. + +2010-01-08 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/pthread.h: Fix pthread_mutex_consistent declaration. + +2009-12-18 Thomas Schwinge <thomas@codesourcery.com> + + * sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c (_init): Don't + call __gmon_start__. + * sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c (_init): Likewise. + +2009-12-17 Ulrich Drepper <drepper@redhat.com> + + * pthread_rwlock_init.c (__pthread_rwlock_init): Simplify code by + using memset. + +2009-12-01 Dinakar Guniguntala <dino@in.ibm.com> + + * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.h: Define + FUTEX_WAIT_REQUEUE_PI and FUTEX_CMP_REQUEUE_PI. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: If mutex + is a non robust PI mutex, then use FUTEX_CMP_REQUEUE_PI. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: If mutex + is a non robust PI mutex, then use FUTEX_WAIT_REQUEUE_PI. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Likewise. + +2009-12-12 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S (sem_timedwait): + Don't update nwaiters after invalid timeout is recognized. + +2009-11-27 Thomas Schwinge <thomas@codesourcery.com> + + * sysdeps/unix/sysv/linux/sh/pt-initfini.c (_init): Don't call + __gmon_start__. + +2009-11-27 Andreas Schwab <schwab@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/cancellation.S: Reload + THREAD_SELF->cancelhandling after returning from futex call. + +2009-11-24 Ulrich Drepper <drepper@redhat.com> + + * tst-sem13.c: New file. + * Makefile (tests): Add tst-sem13. + +2009-11-22 Roland McGrath <roland@redhat.com> + + * sysdeps/unix/sysv/linux/i386/dl-sysdep.h: # include "i686/dl-sysdep.h" + instead of recapitulating its contents. + +2009-11-18 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: Minor + optimizations and cleanups. + +2009-11-18 Dinakar Guniguntala <dino@in.ibm.com> + + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: + Remove redundant code. Fix cfi offsets. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: + Fix cfi offsets. + +2009-11-17 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Minimally + reduce size of unwind info. + + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Convert to use + cfi directives. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise. + Based on a patch by Dinakar Guniguntala <dino@in.ibm.com>. + +2009-11-03 Andreas Schwab <schwab@linux-m68k.org> + + [BZ #4457] + * sysdeps/pthread/unwind-resume.c: Include <libgcc_s.h> and use + LIBGCC_S_SO. + * sysdeps/pthread/unwind-forcedunwind.c: Likewise. + +2009-10-30 Ulrich Drepper <drepper@redhat.com> + + * tst-sem11.c (main): Rewrite to avoid aliasing problems. + + [BZ #3270] + * allocatestack.c (__nptl_setxid): Perform the operation in multiple + steps to avoid races with creation and terminations. + * nptl-init.c (sighandler_setxid): Adjust. + Patch by Daniel Jacobowitz. + +2009-09-07 Andreas Schwab <schwab@redhat.com> + + * sysdeps/pthread/bits/libc-lock.h (BP_SYM): Remove space before paren. + +2009-09-02 Suzuki K P <suzuki@in.ibm.com> + Joseph Myers <joseph@codesourcery.com> + + [BZ #7094] + * sysdeps/unix/sysv/linux/timer_create.c (timer_create): + Initialize the sigev_notify field for newly created timer to make sure + the timer gets deleted from the active timer's list upon timer_delete. + +2009-08-27 Andrew Stubbs <ams@codesourcery.com> + + * sysdeps/unix/sysv/linux/sh/lowlevellock.S (__lll_timedlock_wait): + Correct a logic error. + +2009-08-25 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/x86_64/tls.h (RTLD_ENABLE_FOREIGN_CALL): Store old value + of the field in local variables. + (RTLD_FINALIZE_FOREIGN_CALL): Restore rtld_must_xmm_save from local + variable and don't unconditionally clear it. + +2009-08-24 Ulrich Drepper <drepper@redhat.com> + + * pthread_create.c (start_thread): Hint to the kernel that memory for + the stack can be reused. We do not mark all the memory. The part + still in use and some reserve are kept. + +2009-08-23 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/bits/posix_opt.h: Clean up namespace. + +2009-08-11 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S: Add CFI + directives. + +2009-08-10 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Add CFI + directives. + * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Likewise. + +2009-08-10 Andreas Schwab <schwab@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S + (__pthread_cond_signal): Don't clobber register used for syscall + number. + +2009-08-08 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S (sem_timedwait): + Optimize code path used when FUTEX_CLOCK_REALTIME is supported. + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S + (__pthread_cond_wait): Optimize by avoiding use of callee-safe + register. + +2009-08-07 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Little optimizations + enabled by the special *_asynccancel functions. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise. + + * sysdeps/unix/sysv/linux/x86_64/cancellation.S: Include lowlevellock.h. + +2009-08-04 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/cancellation.S: New file. + * sysdeps/unix/sysv/linux/x86_64/libc-cancellation.S: New file. + * sysdeps/unix/sysv/linux/x86_64/librt-cancellation.S: New file. + * sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h (PSEUDO): Optimize + since we can assume the special __*_{en,dis}able_asynccancel + functions. + (PUSHARGS_*, POPARGS_*, SAVESTK_*, RESTSTK_*): Removed. + * sysdeps/x86_64/tcb-offsets.sym: Add cancellation-related bits + and PTHREAD_CANCELED. + +2009-07-31 Ulrich Drepper <drepper@redhat.com> + + * descr.h: Better definition of *_BITMASK macros for cancellation. + +2009-07-29 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/x86_64/tls.h (TLS_TCB_ALIGN): Define explicitly to 32. + + * sysdeps/x86_64/tls.h (tcbhead_t): Add room for SSE registers the + dynamic linker might have to save. + Define RTLD_CHECK_FOREIGN_CALL, RTLD_ENABLE_FOREIGN_CALL, + RTLD_PREPARE_FOREIGN_CALL, and RTLD_FINALIZE_FOREIGN_CALL. Pretty + printing. + + * sysdeps/x86_64/tcb-offsets.sym: Add RTLD_SAVESPACE_SSE. + +2009-07-28 Ulrich Drepper <drepper@redhat.com> + + * pthread_mutex_lock.c [NO_INCR] (__pthread_mutex_cond_lock_adjust): + New function. + * pthreadP.h: Declare __pthread_mutex_cond_lock_adjust. + * sysdeps/unix/sysv/linux/pthread-pi-defines.sym: Add ROBUST_BIT. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S: Don't use + requeue_pi for robust mutexes. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S: Likewise. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise. + Don't only skip __pthread_mutex_cond_lock. Call instead + __pthread_mutex_cond_lock_adjust. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise. + + * pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Minor + optimization of PI mutex handling. + +2009-07-27 Ulrich Drepper <drepper@redhat.com> + + [BZ #10418] + * pthread_mutex_unlock.c (__pthread_mutex_unlock_full): Use _rel + instead of of _acq variants of cmpxchg. + +2009-07-23 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/x86_64/configure.in: New file. + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Fix error + path when not using absolute timeout futex. + +2009-07-20 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Minor + optimizations of last changes. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise. + +2009-07-19 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Define + FUTEX_WAIT_REQUEUE_PI and FUTEX_CMP_REQUEUE_PI. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S: If mutex + is a PI mutex, then use FUTEX_CMP_REQUEUE_PI. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S: Likewise. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: If mutex + is a PI mutex, then use FUTEX_WAIT_REQUEUE_PI. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise. + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S + (__pthread_cond_timedwait): Make more robust. + +2009-07-18 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S + (__lll_robust_timedlock_wait): If possible use FUTEX_WAIT_BITSET to + directly use absolute timeout. + + * tst-sem5.c (do_test): Add test for premature timeout. + * Makefile: Linu tst-sem5 with librt. + + * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S + (pthread_rwlock_timedwrlock): If possible use FUTEX_WAIT_BITSET to + directly use absolute timeout. + * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S + (pthread_rwlock_timedrdlock): Likewise. + + * tst-cond11.c (run_test): Add test to check that the timeout is + long enough. + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S + (__pthread_cond_timedwait): If possible use FUTEX_WAIT_BITSET to + directly use absolute timeout. + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S + (__pthread_cond_wait): Convert to using exception handler instead of + registered unwind buffer. + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S + (__pthread_cond_timedwait): Likewise. + +2009-07-17 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S (sem_timedwait): + If possible use FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME to directly + use absolute timeout. + + * sysdeps/unix/sysv/linux/x86_64/sem_wait.S (sem_wait): Optimize + handling of uncontested semaphore. + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S + (__condvar_cleanup): Rewrite to use cfi directives instead of + hand-coded unwind tables. + * sysdeps/unix/sysv/linux/x86_64/pthread_once.S (__pthread_once): + Likewise. + * sysdeps/unix/sysv/linux/x86_64/sem_wait.S (sem_wait): Likewise. + * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S (sem_timedwait): + Likewise. + +2009-06-12 Ulrich Drepper <drepper@redhat.com> + + * Makefile (libpthread-routines): Add pthread_sigqueue. + * Versions: Add pthread_sigqueue for GLIBC_2.11. + * sysdeps/pthread/bits/sigthread.h: Declare pthread_sigqueue. + * sysdeps/unix/sysv/linux/pthread_sigqueue.c: New file. + +2009-06-11 Ulrich Drepper <drepper@redhat.com> + + [BZ #10262] + * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S + (LOAD_FUTEX_WAIT_ABS): Fix futex parameter in case private futexes + cannot be assumed. + Patch by Bryan Kadzban <bz-glibc@kdzbn.homelinux.net>. + +2009-05-16 Ulrich Drepper <drepper@redhat.com> + + * libc-cancellation.c: Move __libc_cleanup_routine to... + * libc-cleanup.c: ...here. New file. + * Makefile (routines): Add libc-cleanup. + + * cancellation.c (__pthread_disable_asynccancel): Remove unnecessary + test. + * libc-cancellation.c: Use <nptl/cancellation.c: to define the code. + * sysdeps/pthread/librt-cancellation.c: Likewise. + + [BZ #9924] + * nptl-init.c: Renamed from init.c. + * Makefile: Change all occurences of init.c to nptl-init.c. + +2009-05-15 Ulrich Drepper <drepper@redhat.com> + + * cancellation.c (__pthread_disable_asynccancel): Correct the bits + to test when deciding on the delay. + * libc-cancellation.c (__libc_disable_asynccancel): Likewise. + * pthread_cancel.c: Close race between deciding on sending a signal + and setting the CANCELING_BIT bit. + + * cancellation.c (__pthread_disable_asynccancel): Don't return if + thread is canceled. + * libc-cancellation.c (__libc_disable_asynccancel): Likewise. + +2009-04-27 Ulrich Drepper <drepper@redhat.com> + + * cancellation.c (__pthread_disable_asynccancel): Use THREAD_ATOMIC_AND + is available. + * libc-cancellation.c (__libc_disable_asynccancel): Likewise. + * sysdeps/x86_64/tls.h: Define THREAD_ATOMIC_AND. + * sysdeps/i386/tls.h: Likewise. + (tcbhead_t): Add __private_tm member. + +2009-04-26 Ulrich Drepper <drepper@redhat.com> + + * sem_open.c (sem_open): Rewrite initialization of initsem to + avoid warnings. + + * sysdeps/unix/sysv/linux/libc_pthread_init.c (__libc_pthread_init): + Avoid warning by using may_alias attribute on ptrhack. + +2009-04-22 Ulrich Drepper <drepper@redhat.com> + + [BZ #10090] + * pthread_attr_setschedparam.c (__pthread_attr_setschedparam): + Check policy and priority for validity. + Patch mostly by Zhang Xiliang <zhangxiliang@cn.fujitsu.com>. + +2009-03-15 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S + (__pthread_cond_timedwait): Change to use cfi directives instead of + hand-coded unwind sections. + +2009-03-10 Ulrich Drepper <drepper@redhat.com> + + * init.c (nptl_freeres): Compile only for SHARED. + +2009-03-09 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/unix/sysv/linux/sparc/lowlevellock.h: Define + FUTEX_WAIT_BITSET, FUTEX_WAKE_BITSET, FUTEX_CLOCK_REALTIME and + FUTEX_BITSET_MATCH_ANY. + +2009-02-27 Roland McGrath <roland@redhat.com> + + * init.c (__nptl_initial_report_events): Mark __attribute_used__. + * pthread_create.c (__nptl_threads_events, __nptl_last_event): Likewise. + +2009-02-26 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define + _POSIX_THREAD_ROBUST_PRIO_INHERIT and + _POSIX_THREAD_ROBUST_PRIO_PROTECT. Reset value of macros from + 200112L to 200809L. + +2009-02-25 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/pthread.h: The robust mutex functions are in + POSIX 2008. + +2009-02-24 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/bits/posix_opt.h (_BITS_POSIX_OPT_H): + Unify name of include protector macro. + +2009-02-14 SUGIOKA Toshinobu <sugioka@itonet.co.jp> + + * sysdeps/unix/sysv/linux/sh/lowlevellock.S: Define + LOAD_FUTEX_WAIT_ABS even if (FUTEX_WAIT == 0). + +2009-01-29 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/unwind-forcedunwind.c: Encrypt all function + pointer variables. + + * allocatestack.c (__free_stacks): Renamed from free_stacks. + (__free_stack_cache): Removed. Change callers to call __free_stacks. + * init.c (nptl_freeres): New function. + (pthread_functions): Initialize ptr_freeres to nptl_freeres. + * pthreadP.h: Don't declare __free_stack_cache. Declare __free_stacks. + * sysdeps/pthread/unwind-forcedunwind.c (libgcc_s_handle): New + variable. + (pthread_cancel_init): Depend in libgcc_s_handle for decision to + load DSO. Assign last. + (__unwind_freeres): New function. + + * allocatestack.c (__reclaim_stacks): Reset in_flight_stack later + for better debugging. No need to use stack_list_add here. + +2009-01-14 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sysdeps/unix/sysv/linux/sh/lowlevellock.S + (__lll_timedlock_wait): Use FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME + instead of computing relative timeout. + * sysdeps/unix/sysv/linux/sh/lowlevellock.h: Define + FUTEX_CLOCK_REALTIME and FUTEX_BITSET_MATCH_ANY. + +2009-01-25 Ulrich Drepper <drepper@redhat.com> + + * pthread_mutex_lock.c (__pthread_mutex_lock): Remove unused label out. + +2009-01-08 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/list.h (list_add): Initialize new element first. + (list_add_tail): Removed. + +2009-01-07 Ulrich Drepper <drepper@redhat.com> + + * (in_flight_stack): New variable. + (stack_list_del): New function. Use instead of list_del. + (stack_list_add): New function. Use instead of list_add when adding to + stack_cache and stack_used lists. + (__reclaim_stacks): Complete operations on stack_cache and stack_used lists + when the fork call interrupted another thread. + +2009-01-04 Ulrich Drepper <drepper@redhat.com> + + * init.c (__pthread_initialize_minimal_internal): Optimize test + FUTEX_CLOCK_REALTIME a bit. + +2009-01-03 Ulrich Drepper <drepper@redhat.com> + + * init.c (__pthread_initialize_minimal_internal): Cheat a bit by + only passing five parameters to FUTEX_WAIT_BITSET call. + + * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S + (__lll_timedlock_wait): Use FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME + instead of computing relative timeout. + +2009-01-02 Ulrich Drepper <drepper@redhat.com> + + * init.c (__pthread_initialize_minimal_internal): Check for + FUTEX_CLOCK_REALTIME flag. + * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S (__lll_timedlock_wait): + Use FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME instead of computing + relative timeout. + + * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Define + FUTEX_CLOCK_REALTIME and FUTEX_BITSET_MATCH_ANY. + * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Likewise. + * sysdeps/unix/sysv/linux/ia64/lowlevellock.h: Likewise. + * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Likewise. + * sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise. + +2008-12-09 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/pthread.h (pthread_cleanup_pop): Use { } as empty + loop body instead of ; to avoid gcc warnings. + (pthread_cleanup_pop_restore_np): Likewise. + Patch by Caolán McNamara <caolanm@redhat.com>. + +2008-12-09 Jakub Jelinek <jakub@redhat.com> + + * pthread_mutex_lock.c (__pthread_mutex_lock): Handle only the + fast path here, for robust/PI/PP mutexes call + __pthread_mutex_lock_full. Don't use switch, instead use a series + of ifs according to their probability. + (__pthread_mutex_lock_full): New function. + * pthread_mutex_unlock.c: Include assert.h. + (__pthread_mutex_unlock_usercnt): Handle only the + fast path here, for robust/PI/PP mutexes call + __pthread_mutex_unlock_full. Don't use switch, instead use a series + of ifs according to their probability. + (__pthread_mutex_unlock_full): New function. + * sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c + (__pthread_mutex_lock_full): Define. + +2008-12-08 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/x86_64/tls.h (tcbhead_t): Add fields reserved for TM + implementation. Add necessary padding and. + * descr.h (struct pthread): Increase padding for tcbhead_t to 24 + words. + +2008-12-04 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sysdeps/unix/sysv/linux/sh/lowlevellock.h: Define FUTEX_WAIT_BITSET + and FUTEX_WAKE_BITSET. + +2008-12-02 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Define FUTEX_WAIT_BITSET + and FUTEX_WAKE_BITSET. + * sysdeps/unix/sysv/linux/ia64/lowlevellock.h: Likewise. + * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Likewise. + * sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise. + * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise. + +2008-11-25 Roland McGrath <roland@redhat.com> + + * sysdeps/alpha, sysdeps/unix/sysv/linux/alpha: + Subdirectories moved to ports repository as + sysdeps/.../nptl subdirectories. + +2008-11-12 Jakub Jelinek <jakub@redhat.com> + + [BZ #7008] + * pthread_condattr_setclock.c (pthread_condattr_setclock): Fix masking + of old value. + * pthread_cond_init.c (__pthread_cond_init): Fix + cond->__data.__nwaiters initialization. + * Makefile (tests): Add tst-cond23. + * tst-cond23.c: New test. + +2008-11-07 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/pthread/malloc-machine.h (MALLOC): Adjust __libc_tsd_define + arguments. + (tsd_setspecific, tsd_getspecific): Adjust __libc_tsd_{set,get} + arguments. + +2008-11-01 Ulrich Drepper <drepper@redhat.com> + + [BZ #6955] + * pthread_mutex_lock.c: Add support for private PI mutexes. + * pthread_mutex_timedlock.c: Likewise. + * pthread_mutex_trylock.c: Likewise. + * pthread_mutex_unlock.c: Likewise. + Patch mostly by Ben Jackson <ben@ben.com>. + +2008-10-31 Ulrich Drepper <drepper@redhat.com> + + [BZ #6843] + * sysdeps/pthread/gai_misc.h (__gai_create_helper_thread): + Increase stack size for helper thread. + +2008-10-06 Martin Schwidefsky <schwidefsky@de.ibm.com> + + * sysdeps/s390/tls.h (THREAD_SET_STACK_GUARD): Add empty inline + assembly with a clobber list for access registers a0 and a1. + +2008-09-11 Martin Schwidefsky <schwidefsky@de.ibm.com> + + * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Add memory barrier + to force runp->refcntr to be read from memory. + +2008-09-08 Richard Guenther <rguenther@suse.de> + + * sysdeps/unix/sysv/linux/i386/lowlevellock.h (lll_lock, + lll_robust_lock, lll_cond_lock, lll_robust_cond_lock, + lll_timedlock, lll_robust_timedlock, lll_unlock, + lll_robust_unlock): Promote private to int. + +2008-08-15 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/x86_64/pthreaddef.h: Remove ARCH_MAP_FLAGS and + ARCH_RETRY_MMAP definitions. + * allocatestack.c: Remove definition of ARCH_MAP_FLAGS. + Define MAP_STACK when not defined. + (allocate_stack): Use MAP_STACK instead of ARCH_MAP_FLAGS. Remove + handling of ARCH_RETRY_MMAP. + +2008-07-30 Ulrich Drepper <drepper@redhat.com> + + * tst-align2.c (f): Print message that f is reached. + +2008-04-28 Hiroki Kaminaga <kaminaga@sm.sony.co.jp> + + [BZ #6740] + * sysdeps/powerpc/tcb-offsets.sym (PRIVATE_FUTEX_OFFSET): Guard symbol + definition with #ifndef __ASSUME_PRIVATE_FUTEX. + +2008-07-25 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/mq_notify.c (init_mq_netlink): Use + SOCK_CLOEXEC if possible. + +2008-05-29 Ulrich Drepper <drepper@redhat.com> + + * Makefile (tests): Add tst-rwlock2a. + * tst-rwlock2.c: Use TYPE macro to decide what rwlock type to use. + * tst-rwlock2a.c: New file. + +2008-06-12 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/pthread.h: Remove inadvertant checkin. + +2008-05-17 Samuel Thibault <samuel.thibault@ens-lyon.org> + + * sysdeps/pthread/pthread.h: Fix typo in comment. + +2008-05-28 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/createthread.c (do_clone): Pass accurate length + of CPU set to the kernel. + +2008-05-23 Paul Pluzhnikov <ppluzhnikov@google.com> + + * sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S: Add + cfi directives. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S: Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise. + * sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Likewise. + +2008-05-22 Paul Pluzhnikov <ppluzhnikov@google.com> + + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S: Add + cfi directives. + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S: + Likewise. + * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S: + Likewise. + * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S: + Likewise. + +2008-05-26 Ulrich Drepper <drepper@redhat.com> + + * tst-typesizes.c: Explicitly check __SIZEOF_PTHREAD_* constants. + +2008-05-20 Jakub Jelinek <jakub@redhat.com> + + David S. Miller <davem@davemloft.net> + + * sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: New file. + +2008-05-10 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Access + __pshared correctly. + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S: + Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S: + Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S: + Likewise. + * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: + Likewise. + Reported by Clemens Kolbitsch <clemens.kol@gmx.at>. + +2008-04-14 David S. Miller <davem@davemloft.net> + + * sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c + (__old_sem_wait): Fix argument to lll_futex_wait(). + +2007-11-26 Daniel Jacobowitz <dan@codesourcery.com> + + * pthread_create.c: Require pthread_mutex_trylock and + pthread_key_delete for libgcc. + +2008-04-08 Jakub Jelinek <jakub@redhat.com> + + [BZ #6020] + * sysdeps/unix/sysv/linux/sparc/lowlevellock.h + (lll_futex_wake_unlock): Add private argument to the pre-v9 macro. + Patch by Sunil Amitkumar Janki <devel.sjanki@gmail.com>. + +2008-03-27 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine ARG_MAX if + <linux/limits.h> has defined it. + * sysdeps/unix/sysv/linux/alpha/bits/local_lim.h: Likewise. + * sysdeps/unix/sysv/linux/ia64/bits/local_lim.h: Likewise. + * sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h: Likewise. + * sysdeps/unix/sysv/linux/sparc/bits/local_lim.h: Likewise. + +2008-03-18 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/unix/sysv/linux/ia64/dl-sysdep.h: Use __ASSEMBLER__ instead + of ASSEMBLER. + * sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h: Likewise. + * sysdeps/unix/sysv/linux/i386/dl-sysdep.h: Likewise. + +2008-03-14 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/i386/dl-sysdep.h: Define + HAVE_DL_DISCOVER_OSVERSION. + * sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h: Likewise. + * sysdeps/unix/sysv/linux/ia64/dl-sysdep.h: Likewise. + +2008-03-07 Ulrich Drepper <drepper@redhat.com> + + [BZ #5778] + * sysdeps/unix/sysv/linux/bits/posix_opt.h: Change + _POSIX_CHOWN_RESTRICTED value to zero. + +2008-01-31 Roland McGrath <roland@redhat.com> + + * Makefile (omit-deps): Variable removed. + +2008-01-30 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/sem_post.S (sem_post): Avoid + unnecessary addr32 prefix. + +2008-01-29 Roland McGrath <roland@redhat.com> + + * Makeconfig (ptw-CPPFLAGS, sysd-rules-patterns): New variables. + +2008-01-22 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sysdeps/unix/sysv/linux/sh/sem_post.S: Don't overflow value field. + +2008-01-21 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h (XADD): Use + a scratch register. + * sysdeps/unix/sysv/linux/sh/lowlevellock.S + (__lll_lock_wait_private): Fix typo. + * sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S + (pthread_barrier_wait): Likewise. Adjust XADD use. + * sysdeps/unix/sysv/linux/sh/sem_post.S (__new_sem_post): + Adjust XADD use. + * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S + (pthread_rwlock_timedrdlock): Return correct return value. + * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S + (pthread_rwlock_timedwrlock): Likewise. + +2008-01-15 Ulrich Drepper <drepper@redhat.com> + + * tst-eintr2.c (do_test): make sure that if mutex_lock in main + thread returns the program exits with an error code. + +2008-01-10 Ulrich Drepper <drepper@redhat.com> + + * pthread-errnos.sym: Add EOVERFLOW. + * sysdeps/unix/sysv/linux/structsem.sym: Add SEM_VALUE_MAX. + * sysdeps/unix/sysv/linux/sem_post.c: Don't overflow value field. + * sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Likewise. + * sysdeps/unix/sysv/linux/x86_64/sem_post.S: Likewise. + +2007-12-14 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/x86_64/pthreaddef.h (ARCH_RETRY_MMAP): Take additional + parameter. Passed it as permission to mmap. + * allocatestack.c (allocate_stack): Pass prot as second parameter + to ARCH_RETRY_MMAP. + +2007-12-12 Ulrich Drepper <drepper@redhat.com> + + * tst-basic7.c: Allocate memory for the stack. + + [BZ #5465] + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S [!SHARED] + (__pthread_cond_timedwait): Don't use VDSO. + Patch by Michal Januszewski. + +2007-12-07 Ulrich Drepper <drepper@redhat.com> + + [BZ #5455] + * sysdeps/pthread/pthread.h [!__EXCEPTIONS] (pthread_cleanup_pop): + Allow label before pthread_cleanup_pop. + (pthread_cleanup_pop_restore_np): Likewise. + +2007-12-04 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sysdeps/unix/sysv/linux/sh/lowlevellock.S (__lll_timedlock_wait): + Store 2 before returning ETIMEDOUT. + +2007-11-23 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S (__lll_timedlock_wait): + Store 2 before returning ETIMEDOUT. + * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise + * sysdeps/unix/sysv/linux/lowlevellock.c: Likewise. + (__lll_lock_wait_private): Optimize. + (__lll_lock_wait): Likewise. + +2007-11-20 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/pthread/pthread.h (pthread_cleanup_push, + pthread_cleanup_push_defer_np): Add extra (void *) cast to shut up + g++ 4.1 and 4.2 -Wstrict-aliasing warnings. + +2007-11-08 Ulrich Drepper <drepper@redhat.com> + + [BZ #5240] + * sysdeps/unix/sysv/linux/lowlevellock.c (__lll_timedlock_wait): + If we time out, try one last time to lock the futex to avoid + losing a wakeup signal. + * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise. + * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Likewise. + + [BZ #5245] + * sysdeps/pthread/createthread.c (do_clone): Translate clone error + if necessary. + +2007-11-07 Ulrich Drepper <drepper@redhat.com> + + [BZ #5245] + * allocatestack.c (allocate_stack): Change ENOMEM error in case + mmap failed to EAGAIN. + * Makefile (tests): Add tst-basic7. + * tst-basic7.c: New file. + +2007-11-05 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/register-atfork.c (__register_atfork): + Use __linkin_atfork. + +2007-11-03 Mike Frysinger <vapier@gentoo.org> + + * sysdeps/unix/sysv/linux/sh/lowlevellock.S (LOAD_FUTEX_WAIT): Add + missing line continuations. + * sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S (LOAD_FUTEX_WAIT, + LOAD_FUTEX_WAKE): Likewise. Also add missing 3rd parameter. + +2007-10-28 Ulrich Drepper <drepper@redhat.com> + + [BZ #5220] + * sysdeps/unix/sysv/linux/kernel-posix-timers.h: Declare + __active_timer_sigev_thread and __active_timer_sigev_thread_lock. + (struct timer): Add next element. + * sysdeps/unix/sysv/linux/timer_create.c: For SIGEV_THREAD timers, + enqueue timer structure into __active_timer_sigev_thread list. + * sysdeps/unix/sysv/linux/timer_delete.c: For SIGEV_THREAD timers, + remove timer struct from __active_timer_sigev_thread. + * sysdeps/unix/sysv/linux/timer_routines.c (timer_helper_thread): + Before using timer structure make sure it is still on the + __active_timer_sigev_thread list. Keep lock until done. + Define __active_timer_sigev_thread and + __active_timer_sigev_thread_lock. + +2007-10-27 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/malloc-machine.h: Define ATFORK_MEM. + Redefine thread_atfork for use of ATFORK_MEM. + * sysdeps/unix/sysv/linux/fork.h: Define __linkin_atfork. + * sysdeps/unix/sysv/linux/register-atfork.c (__linkin_atfork): New + function. + * sysdeps/unix/sysv/linux/unregister-atfork.c (__unregister_atfork): + Use atomic operation when removing first element of list. + +2007-10-17 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/unix/sysv/linux/i386/i486/sem_post.S (__old_sem_post): New + routine instead of an alias to __new_sem_post. + +2007-10-15 Jakub Jelinek <jakub@redhat.com> + + * init.c (__pthread_initialize_minimal): Initialize word to appease + valgrind. + +2007-10-10 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/pthread/bits/libc-lock.h (__libc_rwlock_init): Inside of + libc.so just clear NAME. + (__libc_rwlock_fini): Nop inside of libc.so. + * tst-initializers1.c (main): Test if PTHREAD_RWLOCK_INITIALIZER is + all zeros. + +2007-09-02 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S + (__pthread_cond_wait): Fix unlocking of internal lock after mutex + unlocking failed. + Patch by Luca Barbieri <luca.barbieri@gmail.com>. + +2007-08-21 Ulrich Drepper <drepper@redhat.com> + + [BZ #4938] + * allocatestack.c (__reclaim_stacks): Clear the TSD in the + reclaimed stack if necessary. + * Makefile (tests): Add tst-tsd6. + * tst-tsd6.c: New file. + +2007-08-21 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/unix/sysv/linux/alpha/lowlevellock.h (lll_robust_dead): + Add private argument. + +2007-08-20 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S + (__pthread_cond_timedwait): Use clock_gettime from VDSO if possible. + +2007-08-16 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/unix/sysv/linux/alpha/lowlevellock.h + (__lll_robust_timedlock): Pass private as last argument to + __lll_robust_timedlock_wait. + (__lll_unlock): Fix a pasto. + +2007-08-15 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/unix/sysv/linux/sparc/internaltypes.h (sparc_new_sem, + sparc_old_sem): New structs. + * sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c + (__sem_wait_cleanup): New function. + (__new_sem_wait): Use sparc_new_sem structure. Bump and afterwards + decrease nwaiters. Register __sem_wait_cleanup as cleanup handler. + Pass isem->private ^ FUTEX_PRIVATE_FLAG as last argument to + lll_futex_wait. + (__old_sem_wait): New function. + * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_wait.c: Include + nptl/sysdeps/unix/sysv/linux/sparc version. + * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_timedwait.c: + Likewise. + * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_post.c: Likewise. + * sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c + (__new_sem_trywait): Use sparc_old_sem structure. + * sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c + (sem_timedwait): Use sparc_new_sem structure. Bump and afterwards + decrease nwaiters. Register __sem_wait_cleanup as cleanup handler. + Pass isem->private ^ FUTEX_PRIVATE_FLAG as last argument to + lll_futex_timed_wait. + * sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c (__new_sem_post): + Use sparc_new_sem structure. Only wake if nwaiters > 0. Pass + isem->private ^ FUTEX_PRIVATE_FLAG as last argument to + lll_futex_wake. + (__old_sem_post): New function. + * sysdeps/unix/sysv/linux/sparc/sem_wait.c: New file. + * sysdeps/unix/sysv/linux/sparc/sem_init.c: New file. + * sysdeps/unix/sysv/linux/sparc/sem_timedwait.c: New file. + * sysdeps/unix/sysv/linux/sparc/sem_post.c: New file. + * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_init.c: Remove. + * sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c: Remove. + +2007-08-14 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S + (__pthread_cond_broadcast): Pass LLL_PRIVATE to lll_* and or + FUTEX_PRIVATE_FLAG into SYS_futex op if cv is process private. + Don't use FUTEX_CMP_REQUEUE if dep_mutex is not process private. + * sysdeps/unix/sysv/linux/shpthread_cond_signal.S + (__pthread_cond_signal): Pass LLL_PRIVATE to lll_* and or + FUTEX_PRIVATE_FLAG into SYS_futex op if cv is process private. + Use FUTEX_WAKE_OP. + * sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Include + kernel-features.h and tcb-offsets.h. + (__pthread_cond_wait, __condvar_w_cleanup): Pass LLL_PRIVATE to + lll_* and or FUTEX_PRIVATE_FLAG into SYS_futex op if cv is + process private. + * sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Include + tcb-offsets.h. + (__pthread_cond_timedwait, __condvar_tw_cleanup): Pass LLL_PRIVATE + to lll_* and or FUTEX_PRIVATE_FLAG into SYS_futex op if cv is + process private. + * sysdeps/unix/sysv/linux/sh/pthread_once.S: Use #ifdef + __ASSUME_PRIVATE_FUTEX instead of #if __ASSUME_PRIVATE_FUTEX. + * sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Likewise. + * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise. + * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise. + * sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S: Likewise. + * sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise. + +2007-08-14 Jakub Jelinek <jakub@redha |