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| author | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 13:33:18 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 13:33:18 +0000 |
| commit | 32c075e1f01849e161724bbd400ba77244e482cc (patch) | |
| tree | 5f083a3f352104f32bb6c902d57fa3f294bd8d4d /nptl | |
| parent | d6220e9ee38c1c9285221b023346201ec5f511b3 (diff) | |
| download | glibc-32c075e1f01849e161724bbd400ba77244e482cc.zip glibc-32c075e1f01849e161724bbd400ba77244e482cc.tar.gz glibc-32c075e1f01849e161724bbd400ba77244e482cc.tar.bz2 | |
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Diffstat (limited to 'nptl')
69 files changed, 768 insertions, 373 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 0b1d630..47ea82f 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,41 +1,107 @@ -2007-01-10 Ulrich Drepper <drepper@redhat.com> +2007-07-27 Jakub Jelinek <jakub@redhat.com> - * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Cleanups. Define - FUTEX_CMP_REQUEUE and lll_futex_requeue. + * sysdeps/sparc/tls.h (tcbhead_t): Move gscope_flag to the end + of the structure for sparc32. -2006-12-28 David S. Miller <davem@davemloft.net> +2007-07-26 Aurelien Jarno <aurelien@aurel32.net> - * shlib-versions: Fix sparc64 linux target specification. + * sysdeps/sparc/tls.h (tcbhead_t): Add gscope_flag. -2007-01-10 Jakub Jelinek <jakub@redhat.com> +2007-06-22 Jakub Jelinek <jakub@redhat.com> - * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c: - Adjust include path for pthread_barrier_wait.c move. + * pthread_getattr_np.c (pthread_getattr_np): Clear cpuset and + cpusetsize if pthread_getaffinity_np failed with ENOSYS. -2006-12-21 Jakub Jelinek <jakub@redhat.com> +2007-05-28 Jakub Jelinek <jakub@redhat.com> - * sysdeps/unix/sysv/linux/pthread_kill.c (pthread_kill): Make sure - tid isn't reread from pd->tid in between ESRCH test and the syscall. + * sysdeps/i386/tls.h (THREAD_GSCOPE_RESET_FLAG): Use explicit + insn suffix. + (THREAD_GSCOPE_GET_FLAG): Remove. + * sysdeps/x86_64/tls.h (THREAD_GSCOPE_GET_FLAG): Remove. + * allocatestack.c (__wait_lookup_done): Revert 2007-05-24 + changes. + * sysdeps/powerpc/tls.h (tcbhead_t): Remove gscope_flag. + (THREAD_GSCOPE_GET_FLAG): Remove. + (THREAD_GSCOPE_RESET_FLAG): Use THREAD_SELF->header.gscope_flag + instead of THREAD_GSCOPE_GET_FLAG. + (THREAD_GSCOPE_SET_FLAG): Likewise. Add atomic_write_barrier after + it. + * sysdeps/s390/tls.h (THREAD_GSCOPE_FLAG_UNUSED, + THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, + THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, + THREAD_GSCOPE_WAIT): Define. + * sysdeps/sparc/tls.h (THREAD_GSCOPE_FLAG_UNUSED, + THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, + THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, + THREAD_GSCOPE_WAIT): Define. + * sysdeps/sh/tls.h (THREAD_GSCOPE_FLAG_UNUSED, + THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, + THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, + THREAD_GSCOPE_WAIT): Define. + * sysdeps/ia64/tls.h (THREAD_GSCOPE_FLAG_UNUSED, + THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, + THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, + THREAD_GSCOPE_WAIT): Define. + +2007-05-24 Richard Henderson <rth@redhat.com> + + * descr.h (struct pthread): Add header.gscope_flag. + * sysdeps/alpha/tls.h (THREAD_GSCOPE_FLAG_UNUSED, + THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, + THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, + THREAD_GSCOPE_WAIT): Define. + +2007-05-26 Ulrich Drepper <drepper@redhat.com> + + * allocatestack.c: Revert last change. + * init.c: Likewise. + * sysdeps/i386/tls.h: Likewise. + * sysdeps/x86_64/tls.h: Likewise. + +2007-05-24 Jakub Jelinek <jakub@redhat.com> -2006-12-06 Jakub Jelinek <jakub@redhat.com> + * sysdeps/powerpc/tls.h (tcbhead_t): Add gscope_flag. + (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, + THREAD_GSCOPE_FLAG_WAIT): Define. + (THREAD_GSCOPE_GET_FLAG, THREAD_GSCOPE_SET_FLAG, + THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_WAIT): Define. + * sysdeps/i386/tls.h (THREAD_GSCOPE_WAIT): Don't use + PTR_DEMANGLE. + (THREAD_GSCOPE_GET_FLAG): Define. + * sysdeps/x86_64/tls.h (THREAD_GSCOPE_GET_FLAG): Define. + * allocatestack.c (__wait_lookup_done): Use THREAD_GSCOPE_GET_FLAG + instead of ->header.gscope_flag directly. - * sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h (PSEUDO): Handle - 6 argument cancellable syscalls. - (STM_6, LM_6, LR7_0, LR7_1, LR7_2, LR7_3, LR7_4, LR7_5, LR7_6): Define. - * sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h (PSEUDO): Handle - 6 argument cancellable syscalls. - (STM_6, LM_6, LR7_0, LR7_1, LR7_2, LR7_3, LR7_4, LR7_5, LR7_6): Define. +2007-05-21 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/pthread/pthread-functions.h (struct pthread_functions): + Remove ptr_wait_lookup_done again. + * init.c (pthread_functions): Don't add .ptr_wait_lookup_done here. + (__pthread_initialize_minimal_internal): Initialize + _dl_wait_lookup_done pointer in _rtld_global directly. + * sysdeps/unix/sysv/linux/libc_pthread_init.c (__libc_pthread_init): + Remove code to code _dl_wait_lookup_done. + * sysdeps/x86_64/tls.h (THREAD_GSCOPE_WAIT): The pointer is not + encrypted for now. + +2007-05-19 Ulrich Drepper <drepper@redhat.com> + + * allocatestack.c (__wait_lookup_done): New function. + * sysdeps/pthread/pthread-functions.h (struct pthread_functions): + Add ptr_wait_lookup_done. + * init.c (pthread_functions): Initialize .ptr_wait_lookup_done. + * pthreadP.h: Declare __wait_lookup_done. + * sysdeps/i386/tls.h (tcbhead_t): Add gscope_flag. + Define macros to implement reference handling of global scope. + * sysdeps/x86_64/tls.h: Likewise. + * sysdeps/unix/sysv/linux/libc_pthread_init.c (__libc_pthread_init): + Initialize GL(dl_wait_lookup_done). 2006-12-09 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/rtld-lowlevel.h (__rtld_mrlock_initialize): Add missing closing parenthesis. -2006-10-30 Jakub Jelinek <jakub@redhat.com> - - * sysdeps/ia64/pthread_spin_unlock.c (pthread_spin_unlock): Use - __sync_lock_release instead of __sync_lock_release_si. - 2006-10-29 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/i386/sysdep-cancel.h (RTLD_SINGLE_THREAD_P): @@ -52,50 +118,6 @@ * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h: Likewise. * sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Likewise. -2006-10-27 Ulrich Drepper <drepper@redhat.com> - - * sysdeps/pthread/pthread_barrier_wait.c: Move to... - * pthread_barrier_wait.c: ...here. - * sysdeps/pthread/pthread_cond_broadcast.c: Move to... - * pthread_cond_broadcast.c: ...here. - * sysdeps/pthread/pthread_cond_signal.c: Move to... - * pthread_cond_signal.c: ...here. - * sysdeps/pthread/pthread_cond_timedwait.c: Move to... - * pthread_cond_timedwait.c: ...here. - * sysdeps/pthread/pthread_cond_wait.c: Move to... - * pthread_cond_wait.c: ...here. - * sysdeps/pthread/pthread_once.c: Move to... - * pthread_once.c: ...here. - * sysdeps/pthread/pthread_rwlock_rdlock.c: Move to... - * pthread_rwlock_rdlock.c: ...here. - * sysdeps/pthread/pthread_rwlock_timedrdlock.c: Move to... - * pthread_rwlock_timedrdlock.c: ...here. - * sysdeps/pthread/pthread_rwlock_timedwrlock.c: Move to... - * pthread_rwlock_timedwrlock.c: ...here. - * sysdeps/pthread/pthread_rwlock_unlock.c: Move to... - * pthread_rwlock_unlock.c: ...here. - * sysdeps/pthread/pthread_rwlock_wrlock.c: Move to... - * pthread_rwlock_wrlock.c: ...here. - * sysdeps/pthread/pthread_spin_destroy.c: Move to... - * pthread_spin_destroy.c: ...here. - * sysdeps/pthread/pthread_spin_init.c: Move to... - * pthread_spin_init.c: ...here. - * sysdeps/pthread/pthread_spin_unlock.c: Move to... - * pthread_spin_unlock.c: ...here. - * sysdeps/pthread/pthread_getcpuclockid.c: Move to... - * pthread_getcpuclockid.c: ...here. - - * init.c: USE_TLS support is now always enabled. - * tst-tls5.h: Likewise. - * sysdeps/alpha/tls.h: Likewise. - * sysdeps/i386/tls.h: Likewise. - * sysdeps/ia64/tls.h: Likewise. - * sysdeps/powerpc/tls.h: Likewise. - * sysdeps/s390/tls.h: Likewise. - * sysdeps/sh/tls.h: Likewise. - * sysdeps/sparc/tls.h: Likewise. - * sysdeps/x86_64/tls.h: Likewise. - 2006-10-27 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/rtld-lowlevel.h (__rtld_mrlock_lock, @@ -125,59 +147,74 @@ * sysdeps/unix/sysv/linux/sh/sysdep-cancel.h (SINGLE_THREAD_P): Likewise. -2006-10-26 Jakub Jelinek <jakub@redhat.com> +2006-10-09 Ulrich Drepper <drepper@redhat.com> - * pthread_attr_setstacksize.c (NEW_VERNUM): Define to GLIBC_2_3_3 - by default rather than 2_3_3. + * sysdeps/unix/sysv/linux/rtld-lowlevel.h: New file.. -2006-10-17 Jakub Jelinek <jakub@redhat.com> +2007-05-25 Ulrich Drepper <drepper@redhat.com> - * sysdeps/unix/sysv/linux/rtld-lowlevel.h (__rtld_mrlock_lock, - __rtld_mrlock_unlock, __rtld_mrlock_change, __rtld_mrlock_done): Use - atomic_* instead of catomic_* macros. + * Makefile (tests): Add tst-sem10. + * tst-sem10.c: New file. -2006-10-12 Ulrich Drepper <drepper@redhat.com> +2007-05-25 Ulrich Drepper <drepper@redhat.com> + Jakub Jelinek <jakub@redhat.com> - [BZ #3285] - * sysdeps/unix/sysv/linux/bits/local_lim.h: Add SEM_VALUE_MAX. - * sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h: Likewise. - * sysdeps/unix/sysv/linux/sparc/bits/local_lim.h: Likewise. - * sysdeps/unix/sysv/linux/alpha/bits/local_lim.h: Likewise. - * sysdeps/unix/sysv/linux/ia64/bits/local_lim.h: Likewise. - * sysdeps/unix/sysv/linux/i386/bits/semaphore.h: Remove SEM_VALUE_MAX. - * sysdeps/unix/sysv/linux/powerpc/bits/semaphore.h: Likewise. - * sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h: Likewise. - * sysdeps/unix/sysv/linux/sparc/bits/semaphore.h: Likewise. - * sysdeps/unix/sysv/linux/alpha/bits/semaphore.h: Likewise. - * sysdeps/unix/sysv/linux/sh/bits/semaphore.h: Likewise. - * sysdeps/unix/sysv/linux/ia64/bits/semaphore.h: Likewise. - * sysdeps/unix/sysv/linux/s390/bits/semaphore.h: Likewise. + * sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S (sem_timedwait): + Move __pthread_enable_asynccancel right before futex syscall. + * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S (sem_timedwait): + Likewise. -2006-10-11 Ulrich Drepper <drepper@redhat.com> +2007-05-21 Jakub Jelinek <jakub@redhat.com> - * sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Add support for - cancelable syscalls with six parameters. + * tst-robust9.c (do_test): Don't fail if ENABLE_PI and + pthread_mutex_init failed with ENOTSUP. - * sysdeps/unix/sysv/linux/rtld-lowlevel.h: Use catomic_* - operations instead of atomic_*. +2007-05-17 Ulrich Drepper <drepper@redhat.com> -2006-10-09 Ulrich Drepper <drepper@redhat.com> + [BZ #4512] + * pthread_mutex_lock.c: Preserve FUTEX_WAITERS bit when dead owner + is detected. + * pthread_mutex_timedlock.c: Likewise. + * pthread_mutex_trylock.c: Likewise. + Patch in part by Atsushi Nemoto <anemo@mba.ocn.ne.jp>. - * sysdeps/unix/sysv/linux/rtld-lowlevel.h: New file.. + * Makefile (tests): Add tst-robust9 and tst-robustpi9. + * tst-robust9.c: New file. + * tst-robustpi9.c: New file. -2006-10-07 Ulrich Drepper <drepper@redhat.com> +2007-05-07 Ulrich Drepper <drepper@redhat.com> - * sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h: New file. - * sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c: New file. - * sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c: - New file. - * pthread_attr_setstack.c: Allow overwriting the version number of the - new symbol. - * pthread_attr_setstacksize.c: Likewise. - (__old_pthread_attr_setstacksize): If STACKSIZE_ADJUST is defined use - it. - * sysdeps/unix/sysv/linux/powerpc/Versions (libpthread): Add - pthread_attr_setstack and pthread_attr_setstacksize to GLIBC_2.6. + * sysdeps/unix/sysv/linux/lowlevelrobustlock.c + (__lll_robust_lock_wait): Fix race caused by reloading of futex value. + (__lll_robust_timedlock_wait): Likewise. + Reported by Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>. + +2007-05-06 Mike Frysinger <vapier@gentoo.org> + + [BZ #4465] + * tst-cancel-wrappers.sh: Set C["fdatasync"] to 1. + * tst-cancel4.c (tf_fdatasync): New test. + +2007-02-25 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Reset refcntr in + new thread, don't just decrement it. + Patch by Suzuki K P <suzuki@in.ibm.com>. + +2007-02-09 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S + (__lll_mutex_timedlock_wait): Use correct pointer when we don't + call into the kernel to delay. + +2006-12-28 David S. Miller <davem@davemloft.net> + + * shlib-versions: Fix sparc64 linux target specification. + +2006-12-21 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/unix/sysv/linux/pthread_kill.c (pthread_kill): Make sure + tid isn't reread from pd->tid in between ESRCH test and the syscall. 2006-09-24 Ulrich Drepper <drepper@redhat.com> diff --git a/nptl/Makefile b/nptl/Makefile index 9393cab..61cd257 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -1,4 +1,4 @@ -# Copyright (C) 2002,2003,2004,2005,2006 Free Software Foundation, Inc. +# Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or @@ -209,16 +209,16 @@ tests = tst-typesizes \ tst-cond14 tst-cond15 tst-cond16 tst-cond17 tst-cond18 tst-cond19 \ tst-cond20 tst-cond21 tst-cond22 \ tst-robust1 tst-robust2 tst-robust3 tst-robust4 tst-robust5 \ - tst-robust6 tst-robust7 tst-robust8 \ - tst-robustpi1 tst-robustpi2 tst-robustpi3 tst-robustpi4 \ - tst-robustpi5 tst-robustpi6 tst-robustpi7 tst-robustpi8 \ + tst-robust6 tst-robust7 tst-robust8 tst-robust9 \ + tst-robustpi1 tst-robustpi2 tst-robustpi3 tst-robustpi4 tst-robustpi5 \ + tst-robustpi6 tst-robustpi7 tst-robustpi8 tst-robustpi9 \ tst-rwlock1 tst-rwlock2 tst-rwlock3 tst-rwlock4 tst-rwlock5 \ tst-rwlock6 tst-rwlock7 tst-rwlock8 tst-rwlock9 tst-rwlock10 \ tst-rwlock11 tst-rwlock12 tst-rwlock13 tst-rwlock14 \ tst-once1 tst-once2 tst-once3 tst-once4 \ tst-key1 tst-key2 tst-key3 tst-key4 \ tst-sem1 tst-sem2 tst-sem3 tst-sem4 tst-sem5 tst-sem6 tst-sem7 \ - tst-sem8 tst-sem9 \ + tst-sem8 tst-sem9 tst-sem10 \ tst-barrier1 tst-barrier2 tst-barrier3 tst-barrier4 \ tst-align tst-align2 tst-align3 \ tst-basic1 tst-basic2 tst-basic3 tst-basic4 tst-basic5 tst-basic6 \ diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index c05cd47..736c63d 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -982,3 +982,60 @@ __pthread_init_static_tls (struct link_map *map) lll_unlock (stack_cache_lock); } + + +void +attribute_hidden +__wait_lookup_done (void) +{ + lll_lock (stack_cache_lock); + + struct pthread *self = THREAD_SELF; + + /* Iterate over the list with system-allocated threads first. */ + list_t *runp; + list_for_each (runp, &stack_used) + { + struct pthread *t = list_entry (runp, struct pthread, list); + if (t == self || t->header.gscope_flag == THREAD_GSCOPE_FLAG_UNUSED) + continue; + + int *const gscope_flagp = &t->header.gscope_flag; + + /* We have to wait until this thread is done with the global + scope. First tell the thread that we are waiting and + possibly have to be woken. */ + if (atomic_compare_and_exchange_bool_acq (gscope_flagp, + THREAD_GSCOPE_FLAG_WAIT, + THREAD_GSCOPE_FLAG_USED)) + continue; + + do + lll_futex_wait (gscope_flagp, THREAD_GSCOPE_FLAG_WAIT); + while (*gscope_flagp == THREAD_GSCOPE_FLAG_WAIT); + } + + /* Now the list with threads using user-allocated stacks. */ + list_for_each (runp, &__stack_user) + { + struct pthread *t = list_entry (runp, struct pthread, list); + if (t == self || t->header.gscope_flag == THREAD_GSCOPE_FLAG_UNUSED) + continue; + + int *const gscope_flagp = &t->header.gscope_flag; + + /* We have to wait until this thread is done with the global + scope. First tell the thread that we are waiting and + possibly have to be woken. */ + if (atomic_compare_and_exchange_bool_acq (gscope_flagp, + THREAD_GSCOPE_FLAG_WAIT, + THREAD_GSCOPE_FLAG_USED)) + continue; + + do + lll_futex_wait (gscope_flagp, THREAD_GSCOPE_FLAG_WAIT); + while (*gscope_flagp == THREAD_GSCOPE_FLAG_WAIT); + } + + lll_unlock (stack_cache_lock); +} diff --git a/nptl/descr.h b/nptl/descr.h index 321ce85..241ba52 100644 --- a/nptl/descr.h +++ b/nptl/descr.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002-2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -131,6 +131,7 @@ struct pthread struct { int multiple_threads; + int gscope_flag; } header; #endif diff --git a/nptl/init.c b/nptl/init.c index dddc975..7144abd 100644 --- a/nptl/init.c +++ b/nptl/init.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -73,7 +73,7 @@ int __set_robust_list_avail; static const char nptl_version[] __attribute_used__ = VERSION; -#ifndef SHARED +#if defined USE_TLS && !defined SHARED extern void __libc_setup_tls (size_t tcbsize, size_t tcbalign); #endif @@ -386,6 +386,8 @@ __pthread_initialize_minimal_internal (void) GL(dl_init_static_tls) = &__pthread_init_static_tls; + GL(dl_wait_lookup_done) = &__wait_lookup_done; + /* Register the fork generation counter with the libc. */ #ifndef TLS_MULTIPLE_THREADS_IN_TCB __libc_multiple_threads_ptr = diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index f9634ab..21ce6fe 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -545,6 +545,8 @@ extern int __nptl_setxid (struct xid_command *cmdp) attribute_hidden; extern void __free_stack_cache (void) attribute_hidden; +extern void __wait_lookup_done (void) attribute_hidden; + #ifdef SHARED # define PTHREAD_STATIC_FN_REQUIRE(name) #else diff --git a/nptl/pthread_attr_setstack.c b/nptl/pthread_attr_setstack.c index be79e32..622e4a2 100644 --- a/nptl/pthread_attr_setstack.c +++ b/nptl/pthread_attr_setstack.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -23,11 +23,6 @@ #include "pthreadP.h" -#ifndef NEW_VERNUM -# define NEW_VERNUM GLIBC_2_3_3 -#endif - - int __pthread_attr_setstack (attr, stackaddr, stacksize) pthread_attr_t *attr; @@ -59,9 +54,9 @@ strong_alias (__pthread_attr_setstack, pthread_attr_setstack) #else # include <shlib-compat.h> versioned_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack, - NEW_VERNUM); + GLIBC_2_3_3); -# if SHLIB_COMPAT(libpthread, GLIBC_2_2, NEW_VERNUM) +# if SHLIB_COMPAT(libpthread, GLIBC_2_2, GLIBC_2_3_3) int __old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, @@ -76,9 +71,9 @@ __old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, if (stacksize < 16384) return EINVAL; -# ifdef EXTRA_PARAM_CHECKS +# ifdef EXTRA_PARAM_CHECKS EXTRA_PARAM_CHECKS; -# endif +# endif iattr->stacksize = stacksize; iattr->stackaddr = (char *) stackaddr + stacksize; diff --git a/nptl/pthread_attr_setstacksize.c b/nptl/pthread_attr_setstacksize.c index 0974538..f84a9f6 100644 --- a/nptl/pthread_attr_setstacksize.c +++ b/nptl/pthread_attr_setstacksize.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -22,10 +22,6 @@ #include <limits.h> #include "pthreadP.h" -#ifndef NEW_VERNUM -# define NEW_VERNUM GLIBC_2_3_3 -#endif - int __pthread_attr_setstacksize (attr, stacksize) @@ -51,9 +47,9 @@ strong_alias (__pthread_attr_setstacksize, pthread_attr_setstacksize) #else # include <shlib-compat.h> versioned_symbol (libpthread, __pthread_attr_setstacksize, - pthread_attr_setstacksize, NEW_VERNUM); + pthread_attr_setstacksize, GLIBC_2_3_3); -# if SHLIB_COMPAT(libpthread, GLIBC_2_1, NEW_VERNUM) +# if SHLIB_COMPAT(libpthread, GLIBC_2_1, GLIBC_2_3_3) int __old_pthread_attr_setstacksize (pthread_attr_t *attr, size_t stacksize) @@ -67,10 +63,6 @@ __old_pthread_attr_setstacksize (pthread_attr_t *attr, size_t stacksize) if (stacksize < 16384) return EINVAL; -# ifdef STACKSIZE_ADJUST - STACKSIZE_ADJUST; -# endif - iattr->stacksize = stacksize; return 0; diff --git a/nptl/pthread_getattr_np.c b/nptl/pthread_getattr_np.c index 4bdc7b5..f6cd889 100644 --- a/nptl/pthread_getattr_np.c +++ b/nptl/pthread_getattr_np.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -168,8 +168,12 @@ pthread_getattr_np (thread_id, attr) { free (cpuset); if (ret == ENOSYS) - /* There is no such functionality. */ - ret = 0; + { + /* There is no such functionality. */ + ret = 0; + iattr->cpuset = NULL; + iattr->cpusetsize = 0; + } } } diff --git a/nptl/pthread_mutex_lock.c b/nptl/pthread_mutex_lock.c index 52cc47f..1c3ee4f 100644 --- a/nptl/pthread_mutex_lock.c +++ b/nptl/pthread_mutex_lock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -127,6 +127,8 @@ __pthread_mutex_lock (mutex) int newval = id; #ifdef NO_INCR newval |= FUTEX_WAITERS; +#else + newval |= (oldval & FUTEX_WAITERS); #endif newval diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c index c8e6b85..8fd681c 100644 --- a/nptl/pthread_mutex_timedlock.c +++ b/nptl/pthread_mutex_timedlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -119,9 +119,11 @@ pthread_mutex_timedlock (mutex, abstime) if ((oldval & FUTEX_OWNER_DIED) != 0) { /* The previous owner died. Try locking the mutex. */ - int newval + int newval = id | (oldval & FUTEX_WAITERS); + + newval = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock, - id, oldval); + newval, oldval); if (newval != oldval) { oldval = newval; diff --git a/nptl/pthread_mutex_trylock.c b/nptl/pthread_mutex_trylock.c index 94d5192..66aca8e 100644 --- a/nptl/pthread_mutex_trylock.c +++ b/nptl/pthread_mutex_trylock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -91,9 +91,11 @@ __pthread_mutex_trylock (mutex) if ((oldval & FUTEX_OWNER_DIED) != 0) { /* The previous owner died. Try locking the mutex. */ - int newval + int newval = id | (oldval & FUTEX_WAITERS); + + newval = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock, - id, oldval); + newval, oldval); if (newval != oldval) { diff --git a/nptl/sysdeps/alpha/tls.h b/nptl/sysdeps/alpha/tls.h index be2430f..07db159 100644 --- a/nptl/sysdeps/alpha/tls.h +++ b/nptl/sysdeps/alpha/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. NPTL/Alpha version. - Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -48,6 +48,9 @@ typedef union dtv # error "TLS support is required." #endif +/* Signal that TLS support is available. */ +# define USE_TLS 1 + #ifndef __ASSEMBLER__ /* Get system call information. */ @@ -121,6 +124,29 @@ typedef struct #define THREAD_SETMEM_NC(descr, member, idx, value) \ descr->member[idx] = (value) +/* Get and set the global scope generation counter in struct pthread. */ +#define THREAD_GSCOPE_FLAG_UNUSED 0 +#define THREAD_GSCOPE_FLAG_USED 1 +#define THREAD_GSCOPE_FLAG_WAIT 2 +#define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res \ + = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ + THREAD_GSCOPE_FLAG_UNUSED); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \ + } \ + while (0) +#define THREAD_GSCOPE_SET_FLAG() \ + do \ + { \ + THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \ + atomic_write_barrier (); \ + } \ + while (0) +#define THREAD_GSCOPE_WAIT() \ + GL(dl_wait_lookup_done) () + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h index d5b3797..b3d9142 100644 --- a/nptl/sysdeps/i386/tls.h +++ b/nptl/sysdeps/i386/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. nptl/i386 version. - Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2002,2003,2004,2005,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -51,6 +51,7 @@ typedef struct uintptr_t sysinfo; uintptr_t stack_guard; uintptr_t pointer_guard; + int gscope_flag; } tcbhead_t; # define TLS_MULTIPLE_THREADS_IN_TCB 1 @@ -65,6 +66,9 @@ typedef struct # error "TLS support is required." #endif +/* Signal that TLS support is available. */ +#define USE_TLS 1 + /* Alignment requirement for the stack. For IA-32 this is governed by the SSE memory functions. */ #define STACK_ALIGN 16 @@ -431,6 +435,26 @@ union user_desc_init = THREAD_GETMEM (THREAD_SELF, header.pointer_guard)) +/* Get and set the global scope generation counter in the TCB head. */ +#define THREAD_GSCOPE_FLAG_UNUSED 0 +#define THREAD_GSCOPE_FLAG_USED 1 +#define THREAD_GSCOPE_FLAG_WAIT 2 +#define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res; \ + asm volatile ("xchgl %0, %%gs:%P1" \ + : "=r" (__res) \ + : "i" (offsetof (struct pthread, header.gscope_flag)), \ + "0" (THREAD_GSCOPE_FLAG_UNUSED)); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \ + } \ + while (0) +#define THREAD_GSCOPE_SET_FLAG() \ + THREAD_SETMEM (THREAD_SELF, header.gscope_flag, THREAD_GSCOPE_FLAG_USED) +#define THREAD_GSCOPE_WAIT() \ + GL(dl_wait_lookup_done) () + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/nptl/sysdeps/ia64/pthread_spin_unlock.c b/nptl/sysdeps/ia64/pthread_spin_unlock.c index 50d9c5f..6232764 100644 --- a/nptl/sysdeps/ia64/pthread_spin_unlock.c +++ b/nptl/sysdeps/ia64/pthread_spin_unlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. @@ -23,6 +23,6 @@ int pthread_spin_unlock (pthread_spinlock_t *lock) { - __sync_lock_release ((int *) lock); + __sync_lock_release_si ((int *) lock); return 0; } diff --git a/nptl/sysdeps/ia64/tls.h b/nptl/sysdeps/ia64/tls.h index 22a8b08..a43f096 100644 --- a/nptl/sysdeps/ia64/tls.h +++ b/nptl/sysdeps/ia64/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. nptl/IA-64 version. - Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -61,6 +61,9 @@ register struct pthread *__thread_self __asm__("r13"); # error "TLS support is required." #endif +/* Signal that TLS support is available. */ +#define USE_TLS 1 + /* Alignment requirement for the stack. */ #define STACK_ALIGN 16 @@ -163,6 +166,29 @@ register struct pthread *__thread_self __asm__("r13"); (((uintptr_t *) ((char *) (descr) + TLS_PRE_TCB_SIZE))[-2] \ = THREAD_GET_POINTER_GUARD ()) +/* Get and set the global scope generation counter in struct pthread. */ +#define THREAD_GSCOPE_FLAG_UNUSED 0 +#define THREAD_GSCOPE_FLAG_USED 1 +#define THREAD_GSCOPE_FLAG_WAIT 2 +#define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res \ + = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ + THREAD_GSCOPE_FLAG_UNUSED); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \ + } \ + while (0) +#define THREAD_GSCOPE_SET_FLAG() \ + do \ + { \ + THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \ + atomic_write_barrier (); \ + } \ + while (0) +#define THREAD_GSCOPE_WAIT() \ + GL(dl_wait_lookup_done) () + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/nptl/sysdeps/powerpc/tls.h b/nptl/sysdeps/powerpc/tls.h index ddaafe2..ad5698c 100644 --- a/nptl/sysdeps/powerpc/tls.h +++ b/nptl/sysdeps/powerpc/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. NPTL/PowerPC version. - Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -48,6 +48,9 @@ typedef union dtv # error "TLS support is required." #endif +/* Signal that TLS support is available. */ +# define USE_TLS 1 + #ifndef __ASSEMBLER__ /* Get system call information. */ @@ -180,6 +183,29 @@ register void *__thread_register __asm__ ("r13"); different value to mean unset l_tls_offset. */ # define NO_TLS_OFFSET -1 +/* Get and set the global scope generation counter in struct pthread. */ +#define THREAD_GSCOPE_FLAG_UNUSED 0 +#define THREAD_GSCOPE_FLAG_USED 1 +#define THREAD_GSCOPE_FLAG_WAIT 2 +#define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res \ + = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ + THREAD_GSCOPE_FLAG_UNUSED); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \ + } \ + while (0) +#define THREAD_GSCOPE_SET_FLAG() \ + do \ + { \ + THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \ + atomic_write_barrier (); \ + } \ + while (0) +#define THREAD_GSCOPE_WAIT() \ + GL(dl_wait_lookup_done) () + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/nptl/pthread_barrier_wait.c b/nptl/sysdeps/pthread/pthread_barrier_wait.c index c6b563f..c6b563f 100644 --- a/nptl/pthread_barrier_wait.c +++ b/nptl/sysdeps/pthread/pthread_barrier_wait.c diff --git a/nptl/pthread_cond_broadcast.c b/nptl/sysdeps/pthread/pthread_cond_broadcast.c index 2b8b546..2b8b546 100644 --- a/nptl/pthread_cond_broadcast.c +++ b/nptl/sysdeps/pthread/pthread_cond_broadcast.c diff --git a/nptl/pthread_cond_signal.c b/nptl/sysdeps/pthread/pthread_cond_signal.c index 5a9bbca..5a9bbca 100644 --- a/nptl/pthread_cond_signal.c +++ b/nptl/sysdeps/pthread/pthread_cond_signal.c diff --git a/nptl/pthread_cond_timedwait.c b/nptl/sysdeps/pthread/pthread_cond_timedwait.c index fdbf43e..fdbf43e 100644 --- a/nptl/pthread_cond_timedwait.c +++ b/nptl/sysdeps/pthread/pthread_cond_timedwait.c diff --git a/nptl/pthread_cond_wait.c b/nptl/sysdeps/pthread/pthread_cond_wait.c index f5f5cec..f5f5cec 100644 --- a/nptl/pthread_cond_wait.c +++ b/nptl/sysdeps/pthread/pthread_cond_wait.c diff --git a/nptl/pthread_getcpuclockid.c b/nptl/sysdeps/pthread/pthread_getcpuclockid.c index 8506f94..8506f94 100644 --- a/nptl/pthread_getcpuclockid.c +++ b/nptl/sysdeps/pthread/pthread_getcpuclockid.c diff --git a/nptl/pthread_once.c b/nptl/sysdeps/pthread/pthread_once.c index 9b2cef8..9b2cef8 100644 --- a/nptl/pthread_once.c +++ b/nptl/sysdeps/pthread/pthread_once.c diff --git a/nptl/pthread_rwlock_rdlock.c b/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c index e225d70..e225d70 100644 --- a/nptl/pthread_rwlock_rdlock.c +++ b/nptl/sysdeps/pthread/pthread_rwlock_rdlock.c diff --git a/nptl/pthread_rwlock_timedrdlock.c b/nptl/sysdeps/pthread/pthread_rwlock_timedrdlock.c index 80ea83a..80ea83a 100644 --- a/nptl/pthread_rwlock_timedrdlock.c +++ b/nptl/sysdeps/pthread/pthread_rwlock_timedrdlock.c diff --git a/nptl/pthread_rwlock_timedwrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c index 97c0598..97c0598 100644 --- a/nptl/pthread_rwlock_timedwrlock.c +++ b/nptl/sysdeps/pthread/pthread_rwlock_timedwrlock.c diff --git a/nptl/pthread_rwlock_unlock.c b/nptl/sysdeps/pthread/pthread_rwlock_unlock.c index 9cae8b6..9cae8b6 100644 --- a/nptl/pthread_rwlock_unlock.c +++ b/nptl/sysdeps/pthread/pthread_rwlock_unlock.c diff --git a/nptl/pthread_rwlock_wrlock.c b/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c index 822aeed..822aeed 100644 --- a/nptl/pthread_rwlock_wrlock.c +++ b/nptl/sysdeps/pthread/pthread_rwlock_wrlock.c diff --git a/nptl/pthread_spin_destroy.c b/nptl/sysdeps/pthread/pthread_spin_destroy.c index 4d0109c..4d0109c 100644 --- a/nptl/pthread_spin_destroy.c +++ b/nptl/sysdeps/pthread/pthread_spin_destroy.c diff --git a/nptl/pthread_spin_init.c b/nptl/sysdeps/pthread/pthread_spin_init.c index c227508..c227508 100644 --- a/nptl/pthread_spin_init.c +++ b/nptl/sysdeps/pthread/pthread_spin_init.c diff --git a/nptl/pthread_spin_unlock.c b/nptl/sysdeps/pthread/pthread_spin_unlock.c index f97cadf..f97cadf 100644 --- a/nptl/pthread_spin_unlock.c +++ b/nptl/sysdeps/pthread/pthread_spin_unlock.c diff --git a/nptl/sysdeps/s390/tls.h b/nptl/sysdeps/s390/tls.h index 6f6f17b..8e8f86d 100644 --- a/nptl/sysdeps/s390/tls.h +++ b/nptl/sysdeps/s390/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. NPTL/s390 version. - Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -50,6 +50,7 @@ typedef struct int multiple_threads; uintptr_t sysinfo; uintptr_t stack_guard; + int gscope_flag; } tcbhead_t; # ifndef __s390x__ @@ -66,6 +67,9 @@ typedef struct # error "TLS support is required." #endif +/* Signal that TLS support is available. */ +#define USE_TLS 1 + /* Alignment requirement for the stack. For IA-32 this is governed by the SSE memory functions. */ #define STACK_ALIGN 16 @@ -168,6 +172,29 @@ typedef struct #define THREAD_SET_POINTER_GUARD(value) #define THREAD_COPY_POINTER_GUARD(descr) +/* Get and set the global scope generation counter in struct pthread. */ +#define THREAD_GSCOPE_FLAG_UNUSED 0 +#define THREAD_GSCOPE_FLAG_USED 1 +#define THREAD_GSCOPE_FLAG_WAIT 2 +#define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res \ + = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ + THREAD_GSCOPE_FLAG_UNUSED); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \ + } \ + while (0) +#define THREAD_GSCOPE_SET_FLAG() \ + do \ + { \ + THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \ + atomic_write_barrier (); \ + } \ + while (0) +#define THREAD_GSCOPE_WAIT() \ + GL(dl_wait_lookup_done) () + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/nptl/sysdeps/sh/tls.h b/nptl/sysdeps/sh/tls.h index d9aa107..2873fe7 100644 --- a/nptl/sysdeps/sh/tls.h +++ b/nptl/sysdeps/sh/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. NPTL/SH version. - Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -56,6 +56,9 @@ typedef struct # error "TLS support is required." #endif +/* Signal that TLS support is available. */ +# define USE_TLS 1 + #ifndef __ASSEMBLER__ /* Get system call information. */ @@ -150,6 +153,29 @@ typedef struct __asm __volatile ("stc gbr,%0" : "=r" (__tcbp)); \ ((tcbhead_t *) (descr + 1))->pointer_guard = __tcbp->pointer_guard;}) +/* Get and set the global scope generation counter in struct pthread. */ +#define THREAD_GSCOPE_FLAG_UNUSED 0 +#define THREAD_GSCOPE_FLAG_USED 1 +#define THREAD_GSCOPE_FLAG_WAIT 2 +#define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res \ + = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ + THREAD_GSCOPE_FLAG_UNUSED); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \ + } \ + while (0) +#define THREAD_GSCOPE_SET_FLAG() \ + do \ + { \ + THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \ + atomic_write_barrier (); \ + } \ + while (0) +#define THREAD_GSCOPE_WAIT() \ + GL(dl_wait_lookup_done) () + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/nptl/sysdeps/sparc/tls.h b/nptl/sysdeps/sparc/tls.h index 4fbe426..90a3e0b 100644 --- a/nptl/sysdeps/sparc/tls.h +++ b/nptl/sysdeps/sparc/tls.h @@ -1,5 +1,5 @@ /* Definitions for thread-local data handling. NPTL/sparc version. - Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2003, 2005, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -46,9 +46,15 @@ typedef struct dtv_t *dtv; void *self; int multiple_threads; +#if __WORDSIZE == 64 + int gscope_flag; +#endif uintptr_t sysinfo; uintptr_t stack_guard; uintptr_t pointer_guard; +#if __WORDSIZE != 64 + int gscope_flag; +#endif } tcbhead_t; #else /* __ASSEMBLER__ */ @@ -60,6 +66,9 @@ typedef struct # error "TLS support is required." #endif +/* Signal that TLS support is available. */ +#define USE_TLS 1 + #ifndef __ASSEMBLER__ /* Get system call information. */ # include <sysdep.h> @@ -141,6 +150,29 @@ register struct pthread *__thread_self __asm__("%g7"); # define THREAD_COPY_POINTER_GUARD(descr) \ ((descr)->header.pointer_guard = THREAD_GET_POINTER_GUARD ()) +/* Get and set the global scope generation counter in struct pthread. */ +#define THREAD_GSCOPE_FLAG_UNUSED 0 +#define THREAD_GSCOPE_FLAG_USED 1 +#define THREAD_GSCOPE_FLAG_WAIT 2 +#define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res \ + = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \ + THREAD_GSCOPE_FLAG_UNUSED); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \ + } \ + while (0) +#define THREAD_GSCOPE_SET_FLAG() \ + do \ + { \ + THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \ + atomic_write_barrier (); \ + } \ + while (0) +#define THREAD_GSCOPE_WAIT() \ + GL(dl_wait_lookup_done) () + #endif /* !ASSEMBLER */ #endif /* tls.h */ diff --git a/nptl/sysdeps/unix/sysv/linux/alpha/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/alpha/bits/local_lim.h index 9b27b1f..e071878 100644 --- a/nptl/sysdeps/unix/sysv/linux/alpha/bits/local_lim.h +++ b/nptl/sysdeps/unix/sysv/linux/alpha/bits/local_lim.h @@ -87,6 +87,3 @@ /* Maximum message queue priority level. */ #define MQ_PRIO_MAX 32768 - -/* Maximum value the semaphore can have. */ -#define SEM_VALUE_MAX (2147483647) diff --git a/nptl/sysdeps/unix/sysv/linux/alpha/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/alpha/bits/semaphore.h index be4469c..6dadfda 100644 --- a/nptl/sysdeps/unix/sysv/linux/alpha/bits/semaphore.h +++ b/nptl/sysdeps/unix/sysv/linux/alpha/bits/semaphore.h @@ -26,6 +26,9 @@ /* Value returned if `sem_open' failed. */ #define SEM_FAILED ((sem_t *) 0) +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + typedef union { diff --git a/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h index 4b7b297..b639ba4 100644 --- a/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h +++ b/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h @@ -87,6 +87,3 @@ /* Maximum message queue priority level. */ #define MQ_PRIO_MAX 32768 - -/* Maximum value the semaphore can have. */ -#define SEM_VALUE_MAX (2147483647) diff --git a/nptl/sysdeps/unix/sysv/linux/fork.c b/nptl/sysdeps/unix/sysv/linux/fork.c index 8409744..98bb237 100644 --- a/nptl/sysdeps/unix/sysv/linux/fork.c +++ b/nptl/sysdeps/unix/sysv/linux/fork.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -167,8 +167,11 @@ __libc_fork (void) allp->handler->child_handler (); /* Note that we do not have to wake any possible waiter. - This is the only thread in the new process. */ - --allp->handler->refcntr; + This is the only thread in the new process. The count + may have been bumped up by other threads doing a fork. + We reset it to 1, to avoid waiting for non-existing + thread(s) to release the count. */ + allp->handler->refcntr = 1; /* XXX We could at this point look through the object pool and mark all objects not on the __fork_handlers list as diff --git a/nptl/sysdeps/unix/sysv/linux/i386/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/i386/bits/semaphore.h index 934493c..e6c5d84 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/bits/semaphore.h +++ b/nptl/sysdeps/unix/sysv/linux/i386/bits/semaphore.h @@ -28,6 +28,9 @@ /* Value returned if `sem_open' failed. */ #define SEM_FAILED ((sem_t *) 0) +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + typedef union { diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S index aa1f9f4..bf70e17 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -79,10 +79,7 @@ sem_timedwait: jae 6f cfi_offset(3, -16) /* %ebx */ -7: call __pthread_enable_asynccancel - movl %eax, 8(%esp) - - xorl %ecx, %ecx +7: xorl %ecx, %ecx movl %esp, %ebx movl %ecx, %edx movl $SYS_gettimeofday, %eax @@ -105,6 +102,10 @@ sem_timedwait: movl %ecx, (%esp) /* Store relative timeout. */ movl %edx, 4(%esp) + + call __pthread_enable_asynccancel + movl %eax, 8(%esp) + movl 28(%esp), %ebx xorl %ecx, %ecx movl %esp, %esi diff --git a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h index 1cd4b9b..d60dcd33 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h +++ b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h @@ -58,7 +58,6 @@ # define SAVE_OLDTYPE_3 SAVE_OLDTYPE_2 # define SAVE_OLDTYPE_4 SAVE_OLDTYPE_2 # define SAVE_OLDTYPE_5 SAVE_OLDTYPE_2 -# define SAVE_OLDTYPE_6 SAVE_OLDTYPE_2 # define PUSHCARGS_0 /* No arguments to push. */ # define DOCARGS_0 /* No arguments to frob. */ @@ -102,14 +101,6 @@ # define _POPCARGS_5 _POPCARGS_4; popl %edi; \ cfi_adjust_cfa_offset (-4); cfi_restore (edi); -# define PUSHCARGS_6 _PUSHCARGS_6 -# define DOCARGS_6 _DOARGS_6 (44) -# define POPCARGS_6 _POPCARGS_6 -# define _PUSHCARGS_6 pushl %ebp; cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (ebp, 0); _PUSHCARGS_5 -# define _POPCARGS_6 _POPCARGS_5; popl %ebp; \ - cfi_adjust_cfa_offset (-4); cfi_restore (ebp); - # ifdef IS_IN_libpthread # define CENABLE call __pthread_enable_asynccancel; # define CDISABLE call __pthread_disable_asynccancel @@ -131,7 +122,6 @@ # define POPSTATE_3 POPSTATE_2 # define POPSTATE_4 POPSTATE_3 # define POPSTATE_5 POPSTATE_4 -# define POPSTATE_6 POPSTATE_5 # ifndef __ASSEMBLER__ # define SINGLE_THREAD_P \ diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/ia64/bits/local_lim.h index 83db31e..f837250 100644 --- a/nptl/sysdeps/unix/sysv/linux/ia64/bits/local_lim.h +++ b/nptl/sysdeps/unix/sysv/linux/ia64/bits/local_lim.h @@ -87,6 +87,3 @@ /* Maximum message queue priority level. */ #define MQ_PRIO_MAX 32768 - -/* Maximum value the semaphore can have. */ -#define SEM_VALUE_MAX (2147483647) diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/ia64/bits/semaphore.h index 0684aeb..2329e98 100644 --- a/nptl/sysdeps/unix/sysv/linux/ia64/bits/semaphore.h +++ b/nptl/sysdeps/unix/sysv/linux/ia64/bits/semaphore.h @@ -28,6 +28,9 @@ /* Value returned if `sem_open' failed. */ #define SEM_FAILED ((sem_t *) 0) +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + typedef union { diff --git a/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c b/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c index 3e88ee1..30ef991 100644 --- a/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c +++ b/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2006 Free Software Foundation, Inc. +/* Copyright (C) 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2006. @@ -30,6 +30,10 @@ __lll_robust_lock_wait (int *futex) int oldval = *futex; int tid = THREAD_GETMEM (THREAD_SELF, tid); + /* If the futex changed meanwhile try locking again. */ + if (oldval == 0) + goto try; + do { if (__builtin_expect (oldval & FUTEX_OWNER_DIED, 0)) @@ -41,6 +45,9 @@ __lll_robust_lock_wait (int *futex) continue; lll_futex_wait (futex, newval); + + try: + ; } while ((oldval = atomic_compare_and_exchange_val_acq (futex, tid | FUTEX_WAITERS, @@ -57,6 +64,11 @@ __lll_robust_timedlock_wait (int *futex, const struct timespec *abstime) return EINVAL; int tid = THREAD_GETMEM (THREAD_SELF, tid); + int oldval = *futex; + + /* If the futex changed meanwhile try locking again. */ + if (oldval == 0) + goto try; do { @@ -80,7 +92,6 @@ __lll_robust_timedlock_wait (int *futex, const struct timespec *abstime) return ETIMEDOUT; /* Wait. */ - int oldval = *futex; if (__builtin_expect (oldval & FUTEX_OWNER_DIED, 0)) return oldval; @@ -90,8 +101,13 @@ __lll_robust_timedlock_wait (int *futex, const struct timespec *abstime) continue; lll_futex_timed_wait (futex, newval, &rt); + + try: + ; } - while (atomic_compare_and_exchange_bool_acq (futex, tid | FUTEX_WAITERS, 0)); + while ((oldval = atomic_compare_and_exchange_val_acq (futex, + tid | FUTEX_WAITERS, + 0)) != 0); return 0; } diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/Versions b/nptl/sysdeps/unix/sysv/linux/powerpc/Versions index 6b5a036..9977847 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/Versions +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/Versions @@ -2,8 +2,4 @@ libpthread { GLIBC_2.3.4 { longjmp; siglongjmp; } - GLIBC_2.6 { - # Changed PTHREAD_STACK_MIN. - pthread_attr_setstack; pthread_attr_setstacksize; - } } diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h deleted file mode 100644 index 02e2d17..0000000 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h +++ /dev/null @@ -1,93 +0,0 @@ -/* Minimum guaranteed maximum values for system limits. Linux/PPC version. - Copyright (C) 1993-1998,2000,2002-2004,2006 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* The kernel header pollutes the namespace with the NR_OPEN symbol - and defines LINK_MAX although filesystems have different maxima. A - similar thing is true for OPEN_MAX: the limit can be changed at - runtime and therefore the macro must not be defined. Remove this - after including the header if necessary. */ -#ifndef NR_OPEN -# define __undef_NR_OPEN -#endif -#ifndef LINK_MAX -# define __undef_LINK_MAX -#endif -#ifndef OPEN_MAX -# define __undef_OPEN_MAX -#endif - -/* The kernel sources contain a file with all the needed information. */ -#include <linux/limits.h> - -/* Have to remove NR_OPEN? */ -#ifdef __undef_NR_OPEN -# undef NR_OPEN -# undef __undef_NR_OPEN -#endif -/* Have to remove LINK_MAX? */ -#ifdef __undef_LINK_MAX -# undef LINK_MAX -# undef __undef_LINK_MAX -#endif -/* Have to remove OPEN_MAX? */ -#ifdef __undef_OPEN_MAX -# undef OPEN_MAX -# undef __undef_OPEN_MAX -#endif - -/* The number of data keys per process. */ -#define _POSIX_THREAD_KEYS_MAX 128 -/* This is the value this implementation supports. */ -#define PTHREAD_KEYS_MAX 1024 - -/* Controlling the iterations of destructors for thread-specific data. */ -#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 -/* Number of iterations this implementation does. */ -#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS - -/* The number of threads per process. */ -#define _POSIX_THREAD_THREADS_MAX 64 -/* We have no predefined limit on the number of threads. */ -#undef PTHREAD_THREADS_MAX - -/* Maximum amount by which a process can descrease its asynchronous I/O - priority level. */ -#define AIO_PRIO_DELTA_MAX 20 - -/* Minimum size for a thread. At least two pages for systems with 64k - pages. */ -#define PTHREAD_STACK_MIN 131072 - -/* Maximum number of timer expiration overruns. */ -#define DELAYTIMER_MAX 2147483647 - -/* Maximum tty name length. */ -#define TTY_NAME_MAX 32 - -/* Maximum login name length. This is arbitrary. */ -#define LOGIN_NAME_MAX 256 - -/* Maximum host name length. */ -#define HOST_NAME_MAX 64 - -/* Maximum message queue priority level. */ -#define MQ_PRIO_MAX 32768 - -/* Maximum value the semaphore can have. */ -#define SEM_VALUE_MAX (2147483647) diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/semaphore.h index c7f121b..8123b41 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/semaphore.h +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/semaphore.h @@ -33,6 +33,9 @@ /* Value returned if `sem_open' failed. */ #define SEM_FAILED ((sem_t *) 0) +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + typedef union { diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c deleted file mode 100644 index 2cb0a13..0000000 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c +++ /dev/null @@ -1,2 +0,0 @@ -#define NEW_VERNUM GLIBC_2_6 -#include <nptl/pthread_attr_setstack.c> diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c deleted file mode 100644 index 9472dd1..0000000 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c +++ /dev/null @@ -1,8 +0,0 @@ -#define NEW_VERNUM GLIBC_2_6 -#define STACKSIZE_ADJUST \ - do { \ - size_t ps = __getpagesize (); \ - if (stacksize < 2 * ps) \ - stacksize = 2 * ps; \ - } while (0) -#include <nptl/pthread_attr_setstacksize.c> diff --git a/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h b/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h index 6b3d368..39db5a3 100644 --- a/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h +++ b/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h @@ -1,5 +1,5 @@ /* Defintions for lowlevel handling in ld.so. - Copyright (C) 2006 Free Software Foundation, Inc. + Copyright (C) 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or diff --git a/nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h index 111462f..ead2663 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h +++ b/nptl/sysdeps/unix/sysv/linux/s390/bits/semaphore.h @@ -32,6 +32,9 @@ /* Value returned if `sem_open' failed. */ #define SEM_FAILED ((sem_t *) 0) +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + typedef union { diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h index 6b02402..17ab562 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h +++ b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h @@ -45,13 +45,7 @@ L(pseudo_cancel): \ bas %r14,0(%r1,%r13); \ lr %r0,%r2; \ LM_##args \ - .if SYS_ify (syscall_name) < 256; \ - svc SYS_ify (syscall_name); \ - .else; \ - lhi %r1,SYS_ify (syscall_name); \ - svc 0; \ - .endif; \ - LR7_##args \ + DO_CALL(syscall_name, args); \ l %r1,2f-0b(%r13); \ lr %r12,%r2; \ lr %r2,%r0; \ @@ -95,7 +89,6 @@ L(pseudo_end): #define STM_3 stm %r2,%r4,8(%r15); #define STM_4 stm %r2,%r5,8(%r15); #define STM_5 stm %r2,%r5,8(%r15); -#define STM_6 stm %r2,%r7,8(%r15); #define LM_0 /* Nothing */ #define LM_1 l %r2,8+96(%r15); @@ -103,18 +96,6 @@ L(pseudo_end): #define LM_3 lm %r2,%r4,8+96(%r15); #define LM_4 lm %r2,%r5,8+96(%r15); #define LM_5 lm %r2,%r5,8+96(%r15); -#define LM_6 lm %r2,%r5,8+96(%r15); \ - cfi_offset (%r7, -68); \ - l %r7,96+96(%r15); - -#define LR7_0 /* Nothing */ -#define LR7_1 /* Nothing */ -#define LR7_2 /* Nothing */ -#define LR7_3 /* Nothing */ -#define LR7_4 /* Nothing */ -#define LR7_5 /* Nothing */ -#define LR7_6 l %r7,28+96(%r15); \ - cfi_restore (%r7); # ifndef __ASSEMBLER__ # define SINGLE_THREAD_P \ diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h index 70d5a86..77ce742 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h +++ b/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h @@ -42,13 +42,7 @@ L(pseudo_cancel): \ brasl %r14,CENABLE; \ lgr %r0,%r2; \ LM_##args \ - .if SYS_ify (syscall_name) < 256; \ - svc SYS_ify (syscall_name); \ - .else; \ - lghi %r1,SYS_ify (syscall_name); \ - svc 0; \ - .endif; \ - LR7_##args \ + DO_CALL(syscall_name, args); \ lgr %r13,%r2; \ lgr %r2,%r0; \ brasl %r14,CDISABLE; \ @@ -91,7 +85,6 @@ L(pseudo_end): #define STM_3 stmg %r2,%r4,16(%r15); #define STM_4 stmg %r2,%r5,16(%r15); #define STM_5 stmg %r2,%r5,16(%r15); -#define STM_6 stmg %r2,%r7,16(%r15); #define LM_0 /* Nothing */ #define LM_1 lg %r2,16+160(%r15); @@ -99,18 +92,6 @@ L(pseudo_end): #define LM_3 lmg %r2,%r4,16+160(%r15); #define LM_4 lmg %r2,%r5,16+160(%r15); #define LM_5 lmg %r2,%r5,16+160(%r15); -#define LM_6 lmg %r2,%r5,16+160(%r15); \ - cfi_offset (%r7, -104); \ - lg %r7,160+160(%r15); - -#define LR7_0 /* Nothing */ -#define LR7_1 /* Nothing */ -#define LR7_2 /* Nothing */ -#define LR7_3 /* Nothing */ -#define LR7_4 /* Nothing */ -#define LR7_5 /* Nothing */ -#define LR7_6 lg %r7,56+160(%r15); \ - cfi_restore (%r7); # if defined IS_IN_libpthread || !defined NOT_IN_libc # ifndef __ASSEMBLER__ diff --git a/nptl/sysdeps/unix/sysv/linux/sh/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/sh/bits/semaphore.h index 934493c..e6c5d84 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/bits/semaphore.h +++ b/nptl/sysdeps/unix/sysv/linux/sh/bits/semaphore.h @@ -28,6 +28,9 @@ /* Value returned if `sem_open' failed. */ #define SEM_FAILED ((sem_t *) 0) +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + typedef union { diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h index 2576f12..e082ea8 100644 --- a/nptl/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h +++ b/nptl/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h @@ -87,6 +87,3 @@ /* Maximum message queue priority level. */ #define MQ_PRIO_MAX 32768 - -/* Maximum value the semaphore can have. */ -#define SEM_VALUE_MAX (2147483647) diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/sparc/bits/semaphore.h index 8fd7d34..7f3a328 100644 --- a/nptl/sysdeps/unix/sysv/linux/sparc/bits/semaphore.h +++ b/nptl/sysdeps/unix/sysv/linux/sparc/bits/semaphore.h @@ -33,6 +33,9 @@ /* Value returned if `sem_open' failed. */ #define SEM_FAILED ((sem_t *) 0) +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + typedef union { diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c index 55d20eb..7613863 100644 --- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c +++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c @@ -1 +1 @@ -#include "../../../../../../../pthread_barrier_wait.c" +#include "../../../../../../pthread/pthread_barrier_wait.c" diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h b/nptl/sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h index e973bc5..57edbbb 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h @@ -33,6 +33,9 @@ /* Value returned if `sem_open' failed. */ #define SEM_FAILED ((sem_t *) 0) +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + typedef union { diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S index 90f10e6..394dec8 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002-2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -164,7 +164,7 @@ __lll_mutex_timedlock_wait: 8: /* NB: %edx == 2 */ xorl %eax, %eax LOCK - cmpxchgl %edx, (%rdi) + cmpxchgl %edx, (%r12) jnz 7f 6: addq $16, %rsp diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h index 4030bb7..97085bf 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -35,7 +35,6 @@ #define SYS_futex 202 #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 -#define FUTEX_CMP_REQUEUE 4 #define FUTEX_LOCK_PI 6 #define FUTEX_UNLOCK_PI 7 #define FUTEX_TRYLOCK_PI 8 @@ -151,7 +150,7 @@ LLL_STUB_UNWIND_INFO_END #define lll_futex_wait(futex, val) \ ({ \ int __status; \ - register __typeof (val) _val __asm ("edx") = (val); \ + register __typeof (val) _val asm ("edx") = (val); \ __asm __volatile ("xorq %%r10, %%r10\n\t" \ "syscall" \ : "=a" (__status) \ @@ -164,22 +163,22 @@ LLL_STUB_UNWIND_INFO_END #define lll_futex_timed_wait(futex, val, timeout) \ ({ \ - register const struct timespec *__to __asm ("r10") = timeout; \ + register const struct timespec *__to __asm__ ("r10") = timeout; \ int __status; \ - register __typeof (val) _val __asm ("edx") = (val); \ + register __typeof (val) _val asm ("edx") = (val); \ __asm __volatile ("syscall" \ : "=a" (__status) \ : "0" (SYS_futex), "D" (futex), "S" (FUTEX_WAIT), \ "d" (_val), "r" (__to) \ : "memory", "cc", "r11", "cx"); \ - -__status; \ + __status; \ }) #define lll_futex_wake(futex, nr) \ do { \ int __ignore; \ - register __typeof (nr) _nr __asm ("edx") = (nr); \ + register __typeof (nr) _nr asm ("edx") = (nr); \ __asm __volatile ("syscall" \ : "=a" (__ignore) \ : "0" (SYS_futex), "D" (futex), "S" (FUTEX_WAKE), \ @@ -424,21 +423,6 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden; : "cx", "r11", "cc", "memory"); }) -/* Returns non-zero if error happened, zero if success. */ -#define lll_futex_requeue(ftx, nr_wake, nr_move, mutex, val) \ - ({ int __res; \ - register int __nr_move __asm ("r10") = nr_move; \ - register void *__mutex __asm ("r8") = mutex; \ - register int __val __asm ("r9") = val; \ - __asm __volatile ("syscall" \ - : "=a" (__res) \ - : "0" (__NR_futex), "D" ((void *) ftx), \ - "S" (FUTEX_CMP_REQUEUE), "d" (nr_wake), \ - "r" (__nr_move), "r" (__mutex), "r" (__val) \ - : "cx", "r11", "cc", "memory"); \ - __res < 0; }) - - #define lll_mutex_islocked(futex) \ (futex != LLL_MUTEX_LOCK_INITIALIZER) diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S index c44d3f5..51136cf 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -79,10 +79,7 @@ sem_timedwait: cfi_offset(14, -24) /* %r14 */ jae 6f -7: call __pthread_enable_asynccancel - movl %eax, 16(%rsp) - - xorl %esi, %esi +7: xorl %esi, %esi movq %rsp, %rdi movq $VSYSCALL_ADDR_vgettimeofday, %rax callq *%rax @@ -105,6 +102,9 @@ sem_timedwait: movq %rdi, (%rsp) /* Store relative timeout. */ movq %rsi, 8(%rsp) + call __pthread_enable_asynccancel + movl %eax, 16(%rsp) + movq %rsp, %r10 movq %r12, %rdi xorl %esi, %esi diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h index 7618573..b6385b1 100644 --- a/nptl/sysdeps/x86_64/tls.h +++ b/nptl/sysdeps/x86_64/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. nptl/x86_64 version. - Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -47,6 +47,7 @@ typedef struct dtv_t *dtv; void *self; /* Pointer to the thread descriptor. */ int multiple_threads; + int gscope_flag; uintptr_t sysinfo; uintptr_t stack_guard; uintptr_t pointer_guard; @@ -62,6 +63,9 @@ typedef struct # error "TLS support is required." #endif +/* Signal that TLS support is available. */ +#define USE_TLS 1 + /* Alignment requirement for the stack. */ #define STACK_ALIGN 16 @@ -336,6 +340,26 @@ typedef struct = THREAD_GETMEM (THREAD_SELF, header.pointer_guard)) +/* Get and set the global scope generation counter in the TCB head. */ +#define THREAD_GSCOPE_FLAG_UNUSED 0 +#define THREAD_GSCOPE_FLAG_USED 1 +#define THREAD_GSCOPE_FLAG_WAIT 2 +#define THREAD_GSCOPE_RESET_FLAG() \ + do \ + { int __res; \ + asm volatile ("xchgl %0, %%fs:%P1" \ + : "=r" (__res) \ + : "i" (offsetof (struct pthread, header.gscope_flag)), \ + "0" (THREAD_GSCOPE_FLAG_UNUSED)); \ + if (__res == THREAD_GSCOPE_FLAG_WAIT) \ + lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \ + } \ + while (0) +#define THREAD_GSCOPE_SET_FLAG() \ + THREAD_SETMEM (THREAD_SELF, header.gscope_flag, THREAD_GSCOPE_FLAG_USED) +#define THREAD_GSCOPE_WAIT() \ + GL(dl_wait_lookup_done) () + #endif /* __ASSEMBLER__ */ #endif /* tls.h */ diff --git a/nptl/tst-cancel-wrappers.sh b/nptl/tst-cancel-wrappers.sh index d6f16d1..61b9fb5 100644 --- a/nptl/tst-cancel-wrappers.sh +++ b/nptl/tst-cancel-wrappers.sh @@ -1,6 +1,6 @@ #! /bin/sh # Test whether all cancelable functions are cancelable. -# Copyright (C) 2002, 2003 Free Software Foundation, Inc. +# Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc. # This file is part of the GNU C Library. # Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. @@ -26,6 +26,7 @@ C["close"]=1 C["connect"]=1 C["creat"]=1 C["fcntl"]=1 +C["fdatasync"]=1 C["fsync"]=1 C["msgrcv"]=1 C["msgsnd"]=1 diff --git a/nptl/tst-cancel4.c b/nptl/tst-cancel4.c index 73cfa44..45df6ce 100644 --- a/nptl/tst-cancel4.c +++ b/nptl/tst-cancel4.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -1571,6 +1571,47 @@ tf_fsync (void *arg) static void * +tf_fdatasync (void *arg) +{ + if (arg == NULL) + // XXX If somebody can provide a portable test case in which fdatasync() + // blocks we can enable this test to run in both rounds. + abort (); + + tempfd = open ("Makefile", O_RDONLY); + if (tempfd == -1) + { + printf ("%s: cannot open Makefile\n", __FUNCTION__); + exit (1); + } + + int r = pthread_barrier_wait (&b2); + if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __FUNCTION__); + exit (1); + } + + r = pthread_barrier_wait (&b2); + if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: 2nd barrier_wait failed\n", __FUNCTION__); + exit (1); + } + + pthread_cleanup_push (cl, NULL); + + fdatasync (tempfd); + + pthread_cleanup_pop (0); + + printf ("%s: fdatasync returned\n", __FUNCTION__); + + exit (1); +} + + +static void * tf_msync (void *arg) { if (arg == NULL) @@ -2078,6 +2119,7 @@ static struct ADD_TEST (pread, 2, 1), ADD_TEST (pwrite, 2, 1), ADD_TEST (fsync, 2, 1), + ADD_TEST (fdatasync, 2, 1), ADD_TEST (msync, 2, 1), ADD_TEST (sendto, 2, 1), ADD_TEST (sendmsg, 2, 1), diff --git a/nptl/tst-robust9.c b/nptl/tst-robust9.c new file mode 100644 index 0000000..1d6ba17 --- /dev/null +++ b/nptl/tst-robust9.c @@ -0,0 +1,94 @@ +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <pthread.h> +#include <unistd.h> +#include <sys/time.h> + + +static pthread_mutex_t m; + +static void * +tf (void *data) +{ + int err = pthread_mutex_lock (&m); + if (err == EOWNERDEAD) + { + err = pthread_mutex_consistent_np (&m); + if (err) + { + puts ("pthread_mutex_consistent_np"); + exit (1); + } + } + else if (err) + { + puts ("pthread_mutex_lock"); + exit (1); + } + printf ("thread%ld got the lock.\n", (long int) data); + sleep (1); + /* exit without unlock */ + return NULL; +} + +static int +do_test (void) +{ + int err, i; + pthread_t t[3]; + pthread_mutexattr_t ma; + + pthread_mutexattr_init (&ma); + err = pthread_mutexattr_setrobust_np (&ma, PTHREAD_MUTEX_ROBUST_NP); + if (err) + { + puts ("pthread_mutexattr_setrobust_np"); + return 1; + } +#ifdef ENABLE_PI + if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_INHERIT) != 0) + { + puts ("pthread_mutexattr_setprotocol failed"); + return 1; + } +#endif + err = pthread_mutex_init (&m, &ma); +#ifdef ENABLE_PI + if (err == ENOTSUP) + { + puts ("PI robust mutexes not supported"); + return 0; + } +#endif + if (err) + { + puts ("pthread_mutex_init"); + return 1; + } + + for (i = 0; i < sizeof (t) / sizeof (t[0]); i++) + { + err = pthread_create (&t[i], NULL, tf, (void *) (long int) i); + if (err) + { + puts ("pthread_create"); + return 1; + } + } + + for (i = 0; i < sizeof (t) / sizeof (t[0]); i++) + { + err = pthread_join (t[i], NULL); + if (err) + { + puts ("pthread_join"); + return 1; + } + } + return 0; +} + +#define TIMEOUT 5 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/nptl/tst-robustpi9.c b/nptl/tst-robustpi9.c new file mode 100644 index 0000000..d059aa7 --- /dev/null +++ b/nptl/tst-robustpi9.c @@ -0,0 +1,2 @@ +#define ENABLE_PI 1 +#include "tst-robust9.c" diff --git a/nptl/tst-sem10.c b/nptl/tst-sem10.c new file mode 100644 index 0000000..9f6e870 --- /dev/null +++ b/nptl/tst-sem10.c @@ -0,0 +1,88 @@ +/* Copyright (C) 2007 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2007. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthread.h> +#include <semaphore.h> +#include <stdio.h> +#include <time.h> +#include <unistd.h> +#include <sys/time.h> + + +static int +do_test (void) +{ + sem_t s; + if (sem_init (&s, 0, 0) == -1) + { + puts ("sem_init failed"); + return 1; + } + + struct timeval tv; + if (gettimeofday (&tv, NULL) != 0) + { + puts ("gettimeofday failed"); + return 1; + } + + struct timespec ts; + TIMEVAL_TO_TIMESPEC (&tv, &ts); + + /* Set ts to yesterday. */ + ts.tv_sec -= 86400; + + int type_before; + if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_before) != 0) + { + puts ("first pthread_setcanceltype failed"); + return 1; + } + + errno = 0; + if (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)) != -1) + { + puts ("sem_timedwait succeeded"); + return 1; + } + if (errno != ETIMEDOUT) + { + printf ("sem_timedwait return errno = %d instead of ETIMEDOUT\n", + errno); + return 1; + } + + int type_after; + if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_after) != 0) + { + puts ("second pthread_setcanceltype failed"); + return 1; + } + if (type_after != PTHREAD_CANCEL_DEFERRED) + { + puts ("sem_timedwait changed cancellation type"); + return 1; + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/nptl/tst-tls5.h b/nptl/tst-tls5.h index 9a76ab7..b7c14eb 100644 --- a/nptl/tst-tls5.h +++ b/nptl/tst-tls5.h @@ -2,7 +2,7 @@ #include <stdlib.h> #include <tls.h> -#if HAVE___THREAD +#if USE_TLS && HAVE___THREAD struct tls_obj { |