glibc/nptl/sem_close.c

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/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
Initial revision 2002-11-26 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (queue_stack): Don't remove stack from list here. Do it in the caller. Correct condition to prematurely terminate loop to free stacks. (__deallocate_stack): Remove stack from list here. 2002-11-26 Ulrich Drepper <drepper@redhat.com> * Makefile (tests): Add tst-stack1. * tst-stack1.c: New file. * allocatestack.c (allocate_stack): Initialize the TCB on a user provided stack. * pthread_attr_getstack.c: Return bottom of the thread area. 2002-11-25 Ulrich Drepper <drepper@redhat.com> * Makefile (libpthread-routines): Add pt-allocrtsig and pthread_kill_other_threads. * pt-allocrtsig.c: New file. * pthread_kill_other_threads.c: New file. * sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for all three functions. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove allocrtsig. * sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export __libc_current_sigrtmin_private, __libc_current_sigrtmax_private, and __libc_allocate_rtsig_private. * Versions (libpthread): Export pthread_kill_other_threads_np, __libc_current_sigrtmin, and __libc_current_sigrtmax. 2002-11-24 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (allocate_stack): stackaddr in attribute points to the end of the stack. Adjust computations. When mprotect call fails dequeue stack and free it. * pthread_attr_setstack.c: Store top of the stack in stackaddr attribute. * pthread_getattr_np.c: Likewise. * descr.h (IS_DETACHED): Add some more parenthesis to prevent surprises. 2002-11-23 Ulrich Drepper <drepper@redhat.com> * sysdeps/pthread/pthread.h (pthread_self): __THROW must come before attribute definitions. Patch by Luca Barbieri <ldb@ldb.ods.org>. 2002-11-22 Ulrich Drepper <drepper@redhat.com> * pthread_getspecific.c: Optimize access to first 2nd-level array. * pthread_setspecific.c: Likewise. 2002-11-21 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags definitions. Get them from the official place. * sysdeps/unix/sysv/linux/i386/fork.c: Likewise. * sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags. Use new CLONE_ flags in clone() calls. * sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork. * sysdeps/unix/sysv/linux/i386/fork.c: New file. * Versions: Add pthread_* functions for libc. * forward.c: New file. * sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add errno-loc. * herrno.c: New file. * res.c: New file. * Makefile (libpthread-routines): Remove sem_post, sem_wait, sem_trywait, and sem_timedwait. Add herrno and res. * sem_init.c: Don't initialize lock and waiters members. * sem_open.c: Likewise. * sem_post.c: Removed. * sem_wait.c: Removed. * sem_trywait.c: Removed. * sem_timedwait.c: Removed. * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite. Includes full implementations of sem_post, sem_wait, sem_trywait, and sem_timedwait. * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust for new implementation. * sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock and waiters fields. * tst-sem3.c: Improve error message. * tst-signal3.c: Likewise. * init.c (__pthread_initialize_minimal): Use set_tid_address syscall to tell the kernel about the termination futex and to initialize tid member. Don't initialize main_thread. * descr.h (struct pthread): Remove main_thread member. * cancelllation.c (__do_cancel): Remove code handling main thread. The main thread is not special anymore. * allocatestack.c (__reclaim_stacks): Mark stacks as unused. Add size of the stacks to stack_cache_actsize. * pt-readv.c: Add missing "defined". * pt-sigwait.c: Likewise. * pt-writev.c: Likewise. 2002-11-09 Ulrich Drepper <drepper@redhat.com> * Versions: Export __connect from libpthread. Patch by Luca Barbieri <ldb@ldb.ods.org>. * Makefile (libpthread-routines): Add pt-raise. * sysdeps/unix/sysv/linux/raise.c: New file. * sysdeps/unix/sysv/linux/pt-raise.c: New file. * sysdeps/generic/pt-raise.c: New file. * pthread_cond_init.c: Initialize all data elements of the condvar structure. Patch by Luca Barbieri <ldb@ldb.ods.org>. * pthread_attr_init.c: Actually implement 2.0 compatibility version. * pthread_create.c: Likewise. * Makefile (tests): Add tst-key1, tst-key2, tst-key3. * tst-key1.c: New file. * tst-key2.c: New file. * tst-key3.c: New file. * Versions: Export pthread_detach for version GLIBC_2.0. Reported by Saurabh Desai <sdesai@austin.ibm.com>. 2002-11-08 Ulrich Drepper <drepper@redhat.com> * pthread_key_create.c: Terminate search after an unused key was found. Patch by Luca Barbieri <ldb@ldb.ods.org>. * sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero. Patch by Luca Barbieri <ldb@ldb.ods.org>. 2002-10-10 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic dynamic lookup for errno in PIC. * allocatestack.c (get_cached_stack): Rearrange code slightly to release the stack lock as soon as possible. Call _dl_allocate_tls_init for TCB from the cache to re-initialize the static TLS block. (allocate_stack): Call _dl_allocate_tls_init for user-provided stack. * cancellation.c: Renamed from cancelation.c. * Makefile: Adjust accordingly. * pthreadP.h (CANCELLATION_P): Renamed from CANCELATION_P. * cleanup_defer.c: Use CANCELLATION_P. * pthread_testcancel.c: Likewise. * descr.h: Fix spelling in comments. * init.c: Likewise. * pthread_getattr_np.c: Likewise. * pthread_getschedparam.c: Likewise. * pthread_setschedparam.c: Likewise. * Versions: Likewise. * pt-pselect.c: New file. * Makefile (libpthread-routines): Add pt-pselect. * Versions: Add pselect. * tst-cancel4.c: New file. * Makefile (tests): Add tst-cancel4. 2002-10-09 Ulrich Drepper <drepper@redhat.com> * pthread_mutex_lock.c: Always record lock ownership. * pthread_mutex_timedlock.c: Likewise. * pthread_mutex_trylock.c: Likewise. * pt-readv.c: New file. * pt-writev.c: New file. * pt-creat.c: New file. * pt-msgrcv.c: New file. * pt-msgsnd.c: New file. * pt-poll.c: New file. * pt-select.c: New file. * pt-sigpause.c: New file. * pt-sigsuspend.c: New file. * pt-sigwait.c: New file. * pt-sigwaitinfo.c: New file. * pt-waitid.c: New file. * Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat, pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend, pt-sigwait, pt-sigwaitinfo, and pt-waitid. * Versions: Add all the new functions. * tst-exit1.c: New file. * Makefile (tests): Add tst-exit1. * sem_timedwait.c: Minor optimization for more optimal fastpath. 2002-10-08 Ulrich Drepper <drepper@redhat.com> * pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW. * pthread_join.c: Enable asynchronous cancellation around lll_wait_tid call. pthread_join is an official cancellation point. * pthread_timedjoin.c: Likewise. * pthread_cond_wait.c: Revert order in which internal lock are dropped and the condvar's mutex are retrieved. * pthread_cond_timedwait.c: Likewise. Reported by dice@saros.East.Sun.COM. 2002-10-07 Ulrich Drepper <drepper@redhat.com> * pthreadP.h: Cut out all type definitions and move them... * sysdeps/unix/sysv/linux/internaltypes.h: ...here. New file. * pthreadP.h: Include <internaltypes.h>. * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little performance tweaks. * sem_trywait.c: Shuffle #includes around to get right order. * sem_timedwait.c: Likewise. * sem_post.c: Likewise. * sem_wait.c: Likewise. * nptl 0.3 released. * Makefile (tests): Add tst-signal3. * tst-signal3.c: New file. 2002-10-05 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that the asms modify the sem object. (__lll_sem_timedwait): Now takes struct sem* as first parameter. * sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose the actual members. * pthreadP.h (struct sem): New type. Actual semaphore type. * semaphoreP.h: Include pthreadP.h. * sem_getvalue.c: Adjust to sem_t change. * sem_init.c: Likewise. * sem_open.c: Likewise. * sem_post.c: Likewise. * sem_timedwait.c: Likewise. * sem_trywait.c: Likewise. * sem_wait.c: Likewise. 2002-10-04 Ulrich Drepper <drepper@redhat.com> * Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3. * tst-basic2.c: New file. * tst-exec1.c: New file. * tst-exec2.c: New file. * tst-exec3.c: New file. * tst-fork1.c: Remove extra */. * nptl 0.2 released. The API for IA-32 is complete.
2002-11-26 23:50:54 +01:00
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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 <search.h>
Initial revision 2002-11-26 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (queue_stack): Don't remove stack from list here. Do it in the caller. Correct condition to prematurely terminate loop to free stacks. (__deallocate_stack): Remove stack from list here. 2002-11-26 Ulrich Drepper <drepper@redhat.com> * Makefile (tests): Add tst-stack1. * tst-stack1.c: New file. * allocatestack.c (allocate_stack): Initialize the TCB on a user provided stack. * pthread_attr_getstack.c: Return bottom of the thread area. 2002-11-25 Ulrich Drepper <drepper@redhat.com> * Makefile (libpthread-routines): Add pt-allocrtsig and pthread_kill_other_threads. * pt-allocrtsig.c: New file. * pthread_kill_other_threads.c: New file. * sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for all three functions. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove allocrtsig. * sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export __libc_current_sigrtmin_private, __libc_current_sigrtmax_private, and __libc_allocate_rtsig_private. * Versions (libpthread): Export pthread_kill_other_threads_np, __libc_current_sigrtmin, and __libc_current_sigrtmax. 2002-11-24 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (allocate_stack): stackaddr in attribute points to the end of the stack. Adjust computations. When mprotect call fails dequeue stack and free it. * pthread_attr_setstack.c: Store top of the stack in stackaddr attribute. * pthread_getattr_np.c: Likewise. * descr.h (IS_DETACHED): Add some more parenthesis to prevent surprises. 2002-11-23 Ulrich Drepper <drepper@redhat.com> * sysdeps/pthread/pthread.h (pthread_self): __THROW must come before attribute definitions. Patch by Luca Barbieri <ldb@ldb.ods.org>. 2002-11-22 Ulrich Drepper <drepper@redhat.com> * pthread_getspecific.c: Optimize access to first 2nd-level array. * pthread_setspecific.c: Likewise. 2002-11-21 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags definitions. Get them from the official place. * sysdeps/unix/sysv/linux/i386/fork.c: Likewise. * sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags. Use new CLONE_ flags in clone() calls. * sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork. * sysdeps/unix/sysv/linux/i386/fork.c: New file. * Versions: Add pthread_* functions for libc. * forward.c: New file. * sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add errno-loc. * herrno.c: New file. * res.c: New file. * Makefile (libpthread-routines): Remove sem_post, sem_wait, sem_trywait, and sem_timedwait. Add herrno and res. * sem_init.c: Don't initialize lock and waiters members. * sem_open.c: Likewise. * sem_post.c: Removed. * sem_wait.c: Removed. * sem_trywait.c: Removed. * sem_timedwait.c: Removed. * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite. Includes full implementations of sem_post, sem_wait, sem_trywait, and sem_timedwait. * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust for new implementation. * sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock and waiters fields. * tst-sem3.c: Improve error message. * tst-signal3.c: Likewise. * init.c (__pthread_initialize_minimal): Use set_tid_address syscall to tell the kernel about the termination futex and to initialize tid member. Don't initialize main_thread. * descr.h (struct pthread): Remove main_thread member. * cancelllation.c (__do_cancel): Remove code handling main thread. The main thread is not special anymore. * allocatestack.c (__reclaim_stacks): Mark stacks as unused. Add size of the stacks to stack_cache_actsize. * pt-readv.c: Add missing "defined". * pt-sigwait.c: Likewise. * pt-writev.c: Likewise. 2002-11-09 Ulrich Drepper <drepper@redhat.com> * Versions: Export __connect from libpthread. Patch by Luca Barbieri <ldb@ldb.ods.org>. * Makefile (libpthread-routines): Add pt-raise. * sysdeps/unix/sysv/linux/raise.c: New file. * sysdeps/unix/sysv/linux/pt-raise.c: New file. * sysdeps/generic/pt-raise.c: New file. * pthread_cond_init.c: Initialize all data elements of the condvar structure. Patch by Luca Barbieri <ldb@ldb.ods.org>. * pthread_attr_init.c: Actually implement 2.0 compatibility version. * pthread_create.c: Likewise. * Makefile (tests): Add tst-key1, tst-key2, tst-key3. * tst-key1.c: New file. * tst-key2.c: New file. * tst-key3.c: New file. * Versions: Export pthread_detach for version GLIBC_2.0. Reported by Saurabh Desai <sdesai@austin.ibm.com>. 2002-11-08 Ulrich Drepper <drepper@redhat.com> * pthread_key_create.c: Terminate search after an unused key was found. Patch by Luca Barbieri <ldb@ldb.ods.org>. * sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero. Patch by Luca Barbieri <ldb@ldb.ods.org>. 2002-10-10 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic dynamic lookup for errno in PIC. * allocatestack.c (get_cached_stack): Rearrange code slightly to release the stack lock as soon as possible. Call _dl_allocate_tls_init for TCB from the cache to re-initialize the static TLS block. (allocate_stack): Call _dl_allocate_tls_init for user-provided stack. * cancellation.c: Renamed from cancelation.c. * Makefile: Adjust accordingly. * pthreadP.h (CANCELLATION_P): Renamed from CANCELATION_P. * cleanup_defer.c: Use CANCELLATION_P. * pthread_testcancel.c: Likewise. * descr.h: Fix spelling in comments. * init.c: Likewise. * pthread_getattr_np.c: Likewise. * pthread_getschedparam.c: Likewise. * pthread_setschedparam.c: Likewise. * Versions: Likewise. * pt-pselect.c: New file. * Makefile (libpthread-routines): Add pt-pselect. * Versions: Add pselect. * tst-cancel4.c: New file. * Makefile (tests): Add tst-cancel4. 2002-10-09 Ulrich Drepper <drepper@redhat.com> * pthread_mutex_lock.c: Always record lock ownership. * pthread_mutex_timedlock.c: Likewise. * pthread_mutex_trylock.c: Likewise. * pt-readv.c: New file. * pt-writev.c: New file. * pt-creat.c: New file. * pt-msgrcv.c: New file. * pt-msgsnd.c: New file. * pt-poll.c: New file. * pt-select.c: New file. * pt-sigpause.c: New file. * pt-sigsuspend.c: New file. * pt-sigwait.c: New file. * pt-sigwaitinfo.c: New file. * pt-waitid.c: New file. * Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat, pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend, pt-sigwait, pt-sigwaitinfo, and pt-waitid. * Versions: Add all the new functions. * tst-exit1.c: New file. * Makefile (tests): Add tst-exit1. * sem_timedwait.c: Minor optimization for more optimal fastpath. 2002-10-08 Ulrich Drepper <drepper@redhat.com> * pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW. * pthread_join.c: Enable asynchronous cancellation around lll_wait_tid call. pthread_join is an official cancellation point. * pthread_timedjoin.c: Likewise. * pthread_cond_wait.c: Revert order in which internal lock are dropped and the condvar's mutex are retrieved. * pthread_cond_timedwait.c: Likewise. Reported by dice@saros.East.Sun.COM. 2002-10-07 Ulrich Drepper <drepper@redhat.com> * pthreadP.h: Cut out all type definitions and move them... * sysdeps/unix/sysv/linux/internaltypes.h: ...here. New file. * pthreadP.h: Include <internaltypes.h>. * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little performance tweaks. * sem_trywait.c: Shuffle #includes around to get right order. * sem_timedwait.c: Likewise. * sem_post.c: Likewise. * sem_wait.c: Likewise. * nptl 0.3 released. * Makefile (tests): Add tst-signal3. * tst-signal3.c: New file. 2002-10-05 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that the asms modify the sem object. (__lll_sem_timedwait): Now takes struct sem* as first parameter. * sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose the actual members. * pthreadP.h (struct sem): New type. Actual semaphore type. * semaphoreP.h: Include pthreadP.h. * sem_getvalue.c: Adjust to sem_t change. * sem_init.c: Likewise. * sem_open.c: Likewise. * sem_post.c: Likewise. * sem_timedwait.c: Likewise. * sem_trywait.c: Likewise. * sem_wait.c: Likewise. 2002-10-04 Ulrich Drepper <drepper@redhat.com> * Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3. * tst-basic2.c: New file. * tst-exec1.c: New file. * tst-exec2.c: New file. * tst-exec3.c: New file. * tst-fork1.c: Remove extra */. * nptl 0.2 released. The API for IA-32 is complete.
2002-11-26 23:50:54 +01:00
#include <sys/mman.h>
#include "semaphoreP.h"
/* Global variables to parametrize the walk function. This works
since we always have to use locks. And we have to use the twalk
function since the entries are not sorted wrt the mapping
address. */
static sem_t *the_sem;
static struct inuse_sem *rec;
static void
walker (const void *inodep, const VISIT which, const int depth)
{
struct inuse_sem *nodep = *(struct inuse_sem **) inodep;
if (nodep->sem == the_sem)
rec = nodep;
}
Initial revision 2002-11-26 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (queue_stack): Don't remove stack from list here. Do it in the caller. Correct condition to prematurely terminate loop to free stacks. (__deallocate_stack): Remove stack from list here. 2002-11-26 Ulrich Drepper <drepper@redhat.com> * Makefile (tests): Add tst-stack1. * tst-stack1.c: New file. * allocatestack.c (allocate_stack): Initialize the TCB on a user provided stack. * pthread_attr_getstack.c: Return bottom of the thread area. 2002-11-25 Ulrich Drepper <drepper@redhat.com> * Makefile (libpthread-routines): Add pt-allocrtsig and pthread_kill_other_threads. * pt-allocrtsig.c: New file. * pthread_kill_other_threads.c: New file. * sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for all three functions. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove allocrtsig. * sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export __libc_current_sigrtmin_private, __libc_current_sigrtmax_private, and __libc_allocate_rtsig_private. * Versions (libpthread): Export pthread_kill_other_threads_np, __libc_current_sigrtmin, and __libc_current_sigrtmax. 2002-11-24 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (allocate_stack): stackaddr in attribute points to the end of the stack. Adjust computations. When mprotect call fails dequeue stack and free it. * pthread_attr_setstack.c: Store top of the stack in stackaddr attribute. * pthread_getattr_np.c: Likewise. * descr.h (IS_DETACHED): Add some more parenthesis to prevent surprises. 2002-11-23 Ulrich Drepper <drepper@redhat.com> * sysdeps/pthread/pthread.h (pthread_self): __THROW must come before attribute definitions. Patch by Luca Barbieri <ldb@ldb.ods.org>. 2002-11-22 Ulrich Drepper <drepper@redhat.com> * pthread_getspecific.c: Optimize access to first 2nd-level array. * pthread_setspecific.c: Likewise. 2002-11-21 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags definitions. Get them from the official place. * sysdeps/unix/sysv/linux/i386/fork.c: Likewise. * sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags. Use new CLONE_ flags in clone() calls. * sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork. * sysdeps/unix/sysv/linux/i386/fork.c: New file. * Versions: Add pthread_* functions for libc. * forward.c: New file. * sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add errno-loc. * herrno.c: New file. * res.c: New file. * Makefile (libpthread-routines): Remove sem_post, sem_wait, sem_trywait, and sem_timedwait. Add herrno and res. * sem_init.c: Don't initialize lock and waiters members. * sem_open.c: Likewise. * sem_post.c: Removed. * sem_wait.c: Removed. * sem_trywait.c: Removed. * sem_timedwait.c: Removed. * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite. Includes full implementations of sem_post, sem_wait, sem_trywait, and sem_timedwait. * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust for new implementation. * sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock and waiters fields. * tst-sem3.c: Improve error message. * tst-signal3.c: Likewise. * init.c (__pthread_initialize_minimal): Use set_tid_address syscall to tell the kernel about the termination futex and to initialize tid member. Don't initialize main_thread. * descr.h (struct pthread): Remove main_thread member. * cancelllation.c (__do_cancel): Remove code handling main thread. The main thread is not special anymore. * allocatestack.c (__reclaim_stacks): Mark stacks as unused. Add size of the stacks to stack_cache_actsize. * pt-readv.c: Add missing "defined". * pt-sigwait.c: Likewise. * pt-writev.c: Likewise. 2002-11-09 Ulrich Drepper <drepper@redhat.com> * Versions: Export __connect from libpthread. Patch by Luca Barbieri <ldb@ldb.ods.org>. * Makefile (libpthread-routines): Add pt-raise. * sysdeps/unix/sysv/linux/raise.c: New file. * sysdeps/unix/sysv/linux/pt-raise.c: New file. * sysdeps/generic/pt-raise.c: New file. * pthread_cond_init.c: Initialize all data elements of the condvar structure. Patch by Luca Barbieri <ldb@ldb.ods.org>. * pthread_attr_init.c: Actually implement 2.0 compatibility version. * pthread_create.c: Likewise. * Makefile (tests): Add tst-key1, tst-key2, tst-key3. * tst-key1.c: New file. * tst-key2.c: New file. * tst-key3.c: New file. * Versions: Export pthread_detach for version GLIBC_2.0. Reported by Saurabh Desai <sdesai@austin.ibm.com>. 2002-11-08 Ulrich Drepper <drepper@redhat.com> * pthread_key_create.c: Terminate search after an unused key was found. Patch by Luca Barbieri <ldb@ldb.ods.org>. * sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero. Patch by Luca Barbieri <ldb@ldb.ods.org>. 2002-10-10 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic dynamic lookup for errno in PIC. * allocatestack.c (get_cached_stack): Rearrange code slightly to release the stack lock as soon as possible. Call _dl_allocate_tls_init for TCB from the cache to re-initialize the static TLS block. (allocate_stack): Call _dl_allocate_tls_init for user-provided stack. * cancellation.c: Renamed from cancelation.c. * Makefile: Adjust accordingly. * pthreadP.h (CANCELLATION_P): Renamed from CANCELATION_P. * cleanup_defer.c: Use CANCELLATION_P. * pthread_testcancel.c: Likewise. * descr.h: Fix spelling in comments. * init.c: Likewise. * pthread_getattr_np.c: Likewise. * pthread_getschedparam.c: Likewise. * pthread_setschedparam.c: Likewise. * Versions: Likewise. * pt-pselect.c: New file. * Makefile (libpthread-routines): Add pt-pselect. * Versions: Add pselect. * tst-cancel4.c: New file. * Makefile (tests): Add tst-cancel4. 2002-10-09 Ulrich Drepper <drepper@redhat.com> * pthread_mutex_lock.c: Always record lock ownership. * pthread_mutex_timedlock.c: Likewise. * pthread_mutex_trylock.c: Likewise. * pt-readv.c: New file. * pt-writev.c: New file. * pt-creat.c: New file. * pt-msgrcv.c: New file. * pt-msgsnd.c: New file. * pt-poll.c: New file. * pt-select.c: New file. * pt-sigpause.c: New file. * pt-sigsuspend.c: New file. * pt-sigwait.c: New file. * pt-sigwaitinfo.c: New file. * pt-waitid.c: New file. * Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat, pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend, pt-sigwait, pt-sigwaitinfo, and pt-waitid. * Versions: Add all the new functions. * tst-exit1.c: New file. * Makefile (tests): Add tst-exit1. * sem_timedwait.c: Minor optimization for more optimal fastpath. 2002-10-08 Ulrich Drepper <drepper@redhat.com> * pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW. * pthread_join.c: Enable asynchronous cancellation around lll_wait_tid call. pthread_join is an official cancellation point. * pthread_timedjoin.c: Likewise. * pthread_cond_wait.c: Revert order in which internal lock are dropped and the condvar's mutex are retrieved. * pthread_cond_timedwait.c: Likewise. Reported by dice@saros.East.Sun.COM. 2002-10-07 Ulrich Drepper <drepper@redhat.com> * pthreadP.h: Cut out all type definitions and move them... * sysdeps/unix/sysv/linux/internaltypes.h: ...here. New file. * pthreadP.h: Include <internaltypes.h>. * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little performance tweaks. * sem_trywait.c: Shuffle #includes around to get right order. * sem_timedwait.c: Likewise. * sem_post.c: Likewise. * sem_wait.c: Likewise. * nptl 0.3 released. * Makefile (tests): Add tst-signal3. * tst-signal3.c: New file. 2002-10-05 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that the asms modify the sem object. (__lll_sem_timedwait): Now takes struct sem* as first parameter. * sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose the actual members. * pthreadP.h (struct sem): New type. Actual semaphore type. * semaphoreP.h: Include pthreadP.h. * sem_getvalue.c: Adjust to sem_t change. * sem_init.c: Likewise. * sem_open.c: Likewise. * sem_post.c: Likewise. * sem_timedwait.c: Likewise. * sem_trywait.c: Likewise. * sem_wait.c: Likewise. 2002-10-04 Ulrich Drepper <drepper@redhat.com> * Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3. * tst-basic2.c: New file. * tst-exec1.c: New file. * tst-exec2.c: New file. * tst-exec3.c: New file. * tst-fork1.c: Remove extra */. * nptl 0.2 released. The API for IA-32 is complete.
2002-11-26 23:50:54 +01:00
int
sem_close (sem)
sem_t *sem;
{
int result = 0;
/* Get the lock. */
* sysdeps/unix/sysv/linux/powerpc/sem_post.c (__new_sem_post): Use __asm __volatile (__lll_acq_instr ::: "memory") instead of atomic_full_barrier. 2007-07-31 Jakub Jelinek <jakub@redhat.com> * allocatestack.c (stack_cache_lock): Change type to int. (get_cached_stack, allocate_stack, __deallocate_stack, __make_stacks_executable, __find_thread_by_id, __nptl_setxid, __pthread_init_static_tls, __wait_lookup_done): Add LLL_PRIVATE as second argument to lll_lock and lll_unlock macros on stack_cache_lock. * pthread_create.c (__find_in_stack_list): Likewise. (start_thread): Similarly with pd->lock. Use lll_robust_dead macro instead of lll_robust_mutex_dead, pass LLL_SHARED to it as second argument. * descr.h (struct pthread): Change lock and setxid_futex field type to int. * old_pthread_cond_broadcast.c (__pthread_cond_broadcast_2_0): Use LLL_LOCK_INITIALIZER instead of LLL_MUTEX_LOCK_INITIALIZER. * old_pthread_cond_signal.c (__pthread_cond_signal_2_0): Likewise. * old_pthread_cond_timedwait.c (__pthread_cond_timedwait_2_0): Likewise. * old_pthread_cond_wait.c (__pthread_cond_wait_2_0): Likewise. * pthread_cond_init.c (__pthread_cond_init): Likewise. * pthreadP.h (__attr_list_lock): Change type to int. * pthread_attr_init.c (__attr_list_lock): Likewise. * pthread_barrier_destroy.c (pthread_barrier_destroy): Pass ibarrier->private ^ FUTEX_PRIVATE_FLAG as second argument to lll_{,un}lock. * pthread_barrier_wait.c (pthread_barrier_wait): Likewise and also for lll_futex_{wake,wait}. * pthread_barrier_init.c (pthread_barrier_init): Make iattr a pointer to const. * pthread_cond_broadcast.c (__pthread_cond_broadcast): Pass LLL_SHARED as second argument to lll_{,un}lock. * pthread_cond_destroy.c (__pthread_cond_destroy): Likewise. * pthread_cond_signal.c (__pthread_cond_singal): Likewise. * pthread_cond_timedwait.c (__pthread_cond_timedwait): Likewise. * pthread_cond_wait.c (__condvar_cleanup, __pthread_cond_wait): Likewise. * pthread_getattr_np.c (pthread_getattr_np): Add LLL_PRIVATE as second argument to lll_{,un}lock macros on pd->lock. * pthread_getschedparam.c (__pthread_getschedparam): Likewise. * pthread_setschedparam.c (__pthread_setschedparam): Likewise. * pthread_setschedprio.c (pthread_setschedprio): Likewise. * tpp.c (__pthread_tpp_change_priority, __pthread_current_priority): Likewise. * sysdeps/pthread/createthread.c (do_clone, create_thread): Likewise. * pthread_once.c (once_lock): Change type to int. (__pthread_once): Pass LLL_PRIVATE as second argument to lll_{,un}lock macros on once_lock. * pthread_rwlock_rdlock.c (__pthread_rwlock_rdlock): Use lll_{,un}lock macros instead of lll_mutex_{,un}lock, pass rwlock->__data.__shared as second argument to them and similarly for lll_futex_w*. * pthread_rwlock_timedrdlock.c (pthread_rwlock_timedrdlock): Likewise. * pthread_rwlock_timedwrlock.c (pthread_rwlock_timedwrlock): Likewise. * pthread_rwlock_tryrdlock.c (__pthread_rwlock_tryrdlock): Likewise. * pthread_rwlock_trywrlock.c (__pthread_rwlock_trywrlock): Likewise. * pthread_rwlock_unlock.c (__pthread_rwlock_unlock): Likewise. * pthread_rwlock_wrlock.c (__pthread_rwlock_wrlock): Likewise. * sem_close.c (sem_close): Pass LLL_PRIVATE as second argument to lll_{,un}lock macros on __sem_mappings_lock. * sem_open.c (check_add_mapping): Likewise. (__sem_mappings_lock): Change type to int. * semaphoreP.h (__sem_mappings_lock): Likewise. * pthread_mutex_lock.c (LLL_MUTEX_LOCK, LLL_MUTEX_TRYLOCK, LLL_ROBUST_MUTEX_LOCK): Use lll_{,try,robust_}lock macros instead of lll_*mutex_*, pass LLL_SHARED as last argument. (__pthread_mutex_lock): Use lll_unlock instead of lll_mutex_unlock, pass LLL_SHARED as last argument. * sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c (LLL_MUTEX_LOCK, LLL_MUTEX_TRYLOCK, LLL_ROBUST_MUTEX_LOCK): Use lll_{cond_,cond_try,robust_cond}lock macros instead of lll_*mutex_*, pass LLL_SHARED as last argument. * pthread_mutex_timedlock.c (pthread_mutex_timedlock): Use lll_{timed,try,robust_timed,un}lock instead of lll_*mutex*, pass LLL_SHARED as last argument. * pthread_mutex_trylock.c (__pthread_mutex_trylock): Similarly. * pthread_mutex_unlock.c (__pthread_mutex_unlock_usercnt): Similarly. * sysdeps/pthread/bits/libc-lock.h (__libc_lock_lock, __libc_lock_lock_recursive, __libc_lock_unlock, __libc_lock_unlock_recursive): Pass LLL_PRIVATE as second argument to lll_{,un}lock. * sysdeps/pthread/bits/stdio-lock.h (_IO_lock_lock, _IO_lock_unlock): Likewise. * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Don't use compound literal. * sysdeps/unix/sysv/linux/unregister-atfork.c (__unregister_atfork): Pass LLL_PRIVATE as second argument to lll_{,un}lock macros on __fork_lock. * sysdeps/unix/sysv/linux/register-atfork.c (__register_atfork, free_mem): Likewise. (__fork_lock): Change type to int. * sysdeps/unix/sysv/linux/fork.h (__fork_lock): Likewise. * sysdeps/unix/sysv/linux/sem_post.c (__new_sem_post): Pass isem->private ^ FUTEX_PRIVATE_FLAG as second argument to lll_futex_wake. * sysdeps/unix/sysv/linux/sem_timedwait.c (sem_timedwait): Likewise. * sysdeps/unix/sysv/linux/sem_wait.c (__new_sem_wait): Likewise. * sysdeps/unix/sysv/linux/lowlevellock.c (__lll_lock_wait_private): New function. (__lll_lock_wait, __lll_timedlock_wait): Add private argument and pass it through to lll_futex_*wait, only compile in when IS_IN_libpthread. * sysdeps/unix/sysv/linux/lowlevelrobustlock.c (__lll_robust_lock_wait, __lll_robust_timedlock_wait): Add private argument and pass it through to lll_futex_*wait. * sysdeps/unix/sysv/linux/alpha/lowlevellock.h: Renamed all lll_mutex_* resp. lll_robust_mutex_* macros to lll_* resp. lll_robust_*. Renamed all __lll_mutex_* resp. __lll_robust_mutex_* inline functions to __lll_* resp. __lll_robust_*. (LLL_MUTEX_LOCK_INITIALIZER): Remove. (lll_mutex_dead): Add private argument. (__lll_lock_wait_private): New prototype. (__lll_lock_wait, __lll_robust_lock_wait, __lll_lock_timedwait, __lll_robust_lock_timedwait): Add private argument to prototypes. (__lll_lock): Add private argument, if it is constant LLL_PRIVATE, call __lll_lock_wait_private, otherwise pass private to __lll_lock_wait. (__lll_robust_lock, __lll_cond_lock, __lll_timedlock, __lll_robust_timedlock): Add private argument, pass it to __lll_*wait functions. (__lll_unlock): Add private argument, if it is constant LLL_PRIVATE, call __lll_unlock_wake_private, otherwise pass private to __lll_unlock_wake. (__lll_robust_unlock): Add private argument, pass it to __lll_robust_unlock_wake. (lll_lock, lll_robust_lock, lll_cond_lock, lll_timedlock, lll_robust_timedlock, lll_unlock, lll_robust_unlock): Add private argument, pass it through to __lll_* inline function. (__lll_mutex_unlock_force, lll_mutex_unlock_force): Remove. (lll_lock_t): Remove. (__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake, __lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait, lll_cond_wake, lll_cond_broadcast): Remove. * 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/sparc/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Allow including the header from assembler. Renamed all lll_mutex_* resp. lll_robust_mutex_* macros to lll_* resp. lll_robust_*. (LOCK, FUTEX_CMP_REQUEUE, FUTEX_WAKE_OP, FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define. (LLL_MUTEX_LOCK_INITIALIZER, LLL_MUTEX_LOCK_INITIALIZER_LOCKED, LLL_MUTEX_LOCK_INITIALIZER_WAITERS): Remove. (__lll_mutex_lock_wait, __lll_mutex_timedlock_wait, __lll_mutex_unlock_wake, __lll_lock_wait, __lll_unlock_wake): Remove prototype. (__lll_trylock_asm, __lll_lock_asm_start, __lll_unlock_asm): Define. (lll_robust_trylock, lll_cond_trylock): Use LLL_LOCK_INITIALIZER* rather than LLL_MUTEX_LOCK_INITIALIZER* macros. (lll_trylock): Likewise, use __lll_trylock_asm, pass MULTIPLE_THREADS_OFFSET as another asm operand. (lll_lock): Add private argument, use __lll_lock_asm_start, pass MULTIPLE_THREADS_OFFSET as last asm operand, call __lll_lock_wait_private if private is constant LLL_PRIVATE, otherwise pass private as another argument to __lll_lock_wait. (lll_robust_lock, lll_cond_lock, lll_robust_cond_lock, lll_timedlock, lll_robust_timedlock): Add private argument, pass private as another argument to __lll_*lock_wait call. (lll_unlock): Add private argument, use __lll_unlock_asm, pass MULTIPLE_THREADS_OFFSET as another asm operand, call __lll_unlock_wake_private if private is constant LLL_PRIVATE, otherwise pass private as another argument to __lll_unlock_wake. (lll_robust_unlock): Add private argument, pass private as another argument to __lll_unlock_wake. (lll_robust_dead): Add private argument, use __lll_private_flag macro. (lll_islocked): Use LLL_LOCK_INITIALIZER instead of LLL_MUTEX_LOCK_INITIALIZER. (lll_lock_t): Remove. (LLL_LOCK_INITIALIZER_WAITERS): Define. (__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake, __lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait, lll_cond_wake, lll_cond_broadcast): Remove. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Revert 2007-05-2{3,9} changes. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Include kernel-features.h and lowlevellock.h. (LOAD_PRIVATE_FUTEX_WAIT): Define. (LOAD_FUTEX_WAIT): Rewritten. (LOCK, SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define. (__lll_lock_wait_private, __lll_unlock_wake_private): New functions. (__lll_mutex_lock_wait): Rename to ... (__lll_lock_wait): ... this. Take futex addr from %edx instead of %ecx, %ecx is now private argument. Don't compile in for libc.so. (__lll_mutex_timedlock_wait): Rename to ... (__lll_timedlock_wait): ... this. Use __NR_gettimeofday. %esi contains private argument. Don't compile in for libc.so. (__lll_mutex_unlock_wake): Rename to ... (__lll_unlock_wake): ... this. %ecx contains private argument. Don't compile in for libc.so. (__lll_timedwait_tid): Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S: Include kernel-features.h and lowlevellock.h. (LOAD_FUTEX_WAIT): Define. (LOCK, SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define. (__lll_robust_mutex_lock_wait): Rename to ... (__lll_robust_lock_wait): ... this. Futex addr is now in %edx argument, %ecx argument contains private. Use LOAD_FUTEX_WAIT macro. (__lll_robust_mutex_timedlock_wait): Rename to ... (__lll_robust_timedlock_wait): ... this. Use __NR_gettimeofday. %esi argument contains private, use LOAD_FUTEX_WAIT macro. * sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (pthread_barrier_wait): Rename __lll_mutex_* to __lll_*, pass PRIVATE(%ebx) ^ LLL_SHARED as private argument in %ecx to __lll_lock_wait and __lll_unlock_wake, pass MUTEX(%ebx) address to __lll_lock_wait in %edx. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: Include lowlevellock.h and pthread-errnos.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, EINVAL, LOCK): Don't define. (__pthread_cond_broadcast): Rename __lll_mutex_* to __lll_*, pass cond_lock address in %edx rather than %ecx to __lll_lock_wait, pass LLL_SHARED in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: Include lowlevellock.h and pthread-errnos.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_WAKE_OP, FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, EINVAL, LOCK): Don't define. (__pthread_cond_signal): Rename __lll_mutex_* to __lll_*, pass cond_lock address in %edx rather than %ecx to __lll_lock_wait, pass LLL_SHARED in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Include lowlevellock.h. (SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_cond_timedwait): Rename __lll_mutex_* to __lll_*, pass cond_lock address in %edx rather than %ecx to __lll_lock_wait, pass LLL_SHARED in %ecx to both __lll_lock_wait and __lll_unlock_wake. Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_cond_wait, __condvar_w_cleanup): Rename __lll_mutex_* to __lll_*, pass cond_lock address in %edx rather than %ecx to __lll_lock_wait, pass LLL_SHARED in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_rdlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%ebx) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%ebx) in %ecx to both __lll_lock_wait and __lll_unlock_wake. Move return value from %ecx to %edx register. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S: Include lowlevellock.h. (SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%ebp) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%ebp) in %ecx to both __lll_lock_wait and __lll_unlock_wake. Move return value from %ecx to %edx register. Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S: Include lowlevellock.h. (SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%ebp) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%ebp) in %ecx to both __lll_lock_wait and __lll_unlock_wake. Move return value from %ecx to %edx register. Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_unlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%edi) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%edi) in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%ebx) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%ebx) in %ecx to both __lll_lock_wait and __lll_unlock_wake. Move return value from %ecx to %edx register. * sysdeps/unix/sysv/linux/i386/pthread_once.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Don't define. * sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAKE): Don't define. * sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Include lowlevellock.h. (LOCK, SYS_futex, SYS_gettimeofday, FUTEX_WAIT): Don't define. (sem_timedwait): Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Include lowlevellock.h. (LOCK): Don't define. * sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT): Don't define. * sysdeps/unix/sysv/linux/powerpc/sem_post.c: Wake only when there are waiters. * sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: Revert 2007-05-2{3,9} changes. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Include kernel-features.h and lowlevellock.h. (LOAD_PRIVATE_FUTEX_WAIT): Define. (LOAD_FUTEX_WAIT): Rewritten. (LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define. (__lll_lock_wait_private, __lll_unlock_wake_private): New functions. (__lll_mutex_lock_wait): Rename to ... (__lll_lock_wait): ... this. %esi is now private argument. Don't compile in for libc.so. (__lll_mutex_timedlock_wait): Rename to ... (__lll_timedlock_wait): ... this. %esi contains private argument. Don't compile in for libc.so. (__lll_mutex_unlock_wake): Rename to ... (__lll_unlock_wake): ... this. %esi contains private argument. Don't compile in for libc.so. * sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S: Include kernel-features.h and lowlevellock.h. (LOAD_FUTEX_WAIT): Define. (LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define. (__lll_robust_mutex_lock_wait): Rename to ... (__lll_robust_lock_wait): ... this. %esi argument contains private. Use LOAD_FUTEX_WAIT macro. (__lll_robust_mutex_timedlock_wait): Rename to ... (__lll_robust_timedlock_wait): ... this. %esi argument contains private, use LOAD_FUTEX_WAIT macro. * sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (pthread_barrier_wait): Rename __lll_mutex_* to __lll_*, pass PRIVATE(%rdi) ^ LLL_SHARED as private argument in %esi to __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S: Include lowlevellock.h and pthread-errnos.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, EINVAL, LOCK): Don't define. (__pthread_cond_broadcast): Rename __lll_mutex_* to __lll_*, pass LLL_SHARED in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S: Include lowlevellock.h and pthread-errnos.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_WAKE_OP, FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, EINVAL, LOCK): Don't define. (__pthread_cond_signal): Rename __lll_mutex_* to __lll_*, pass LLL_SHARED in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_cond_timedwait): Rename __lll_mutex_* to __lll_*, pass LLL_SHARED in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_cond_wait, __condvar_cleanup): Rename __lll_mutex_* to __lll_*, pass LLL_SHARED in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_rdlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_unlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_once.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Don't define. * sysdeps/unix/sysv/linux/x86_64/sem_post.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAKE): Don't define. * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT): Don't define. * sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Include lowlevellock.h. (LOCK): Don't define. * sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT): Don't define. * sysdeps/unix/sysv/linux/sparc/internaltypes.h: New file. * sysdeps/unix/sysv/linux/sparc/pthread_barrier_destroy.c: New file. * sysdeps/unix/sysv/linux/sparc/pthread_barrier_init.c: New file. * sysdeps/unix/sysv/linux/sparc/pthread_barrier_wait.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c (__lll_lock_wait_private): New function. (__lll_lock_wait, __lll_timedlock_wait): Add private argument, pass it to lll_futex_*wait. Don't compile in for libc.so. * sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c: Remove. * sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c (struct sparc_pthread_barrier): Remove. (pthread_barrier_wait): Use union sparc_pthread_barrier instead of struct sparc_pthread_barrier. Pass ibarrier->s.pshared ? LLL_SHARED : LLL_PRIVATE to lll_{,un}lock and lll_futex_wait macros. * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c: Remove. * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c: Include sparc pthread_barrier_wait.c instead of generic one.
2007-08-01 06:47:26 +02:00
lll_lock (__sem_mappings_lock, LLL_PRIVATE);
/* Locate the entry for the mapping the caller provided. */
rec = NULL;
the_sem = sem;
twalk (__sem_mappings, walker);
if (rec != NULL)
{
/* Check the reference counter. If it is going to be zero, free
all the resources. */
if (--rec->refcnt == 0)
{
/* Remove the record from the tree. */
(void) tdelete (rec, &__sem_mappings, __sem_search);
result = munmap (rec->sem, sizeof (sem_t));
free (rec);
}
}
else
{
/* This is no valid semaphore. */
result = -1;
__set_errno (EINVAL);
}
/* Release the lock. */
* sysdeps/unix/sysv/linux/powerpc/sem_post.c (__new_sem_post): Use __asm __volatile (__lll_acq_instr ::: "memory") instead of atomic_full_barrier. 2007-07-31 Jakub Jelinek <jakub@redhat.com> * allocatestack.c (stack_cache_lock): Change type to int. (get_cached_stack, allocate_stack, __deallocate_stack, __make_stacks_executable, __find_thread_by_id, __nptl_setxid, __pthread_init_static_tls, __wait_lookup_done): Add LLL_PRIVATE as second argument to lll_lock and lll_unlock macros on stack_cache_lock. * pthread_create.c (__find_in_stack_list): Likewise. (start_thread): Similarly with pd->lock. Use lll_robust_dead macro instead of lll_robust_mutex_dead, pass LLL_SHARED to it as second argument. * descr.h (struct pthread): Change lock and setxid_futex field type to int. * old_pthread_cond_broadcast.c (__pthread_cond_broadcast_2_0): Use LLL_LOCK_INITIALIZER instead of LLL_MUTEX_LOCK_INITIALIZER. * old_pthread_cond_signal.c (__pthread_cond_signal_2_0): Likewise. * old_pthread_cond_timedwait.c (__pthread_cond_timedwait_2_0): Likewise. * old_pthread_cond_wait.c (__pthread_cond_wait_2_0): Likewise. * pthread_cond_init.c (__pthread_cond_init): Likewise. * pthreadP.h (__attr_list_lock): Change type to int. * pthread_attr_init.c (__attr_list_lock): Likewise. * pthread_barrier_destroy.c (pthread_barrier_destroy): Pass ibarrier->private ^ FUTEX_PRIVATE_FLAG as second argument to lll_{,un}lock. * pthread_barrier_wait.c (pthread_barrier_wait): Likewise and also for lll_futex_{wake,wait}. * pthread_barrier_init.c (pthread_barrier_init): Make iattr a pointer to const. * pthread_cond_broadcast.c (__pthread_cond_broadcast): Pass LLL_SHARED as second argument to lll_{,un}lock. * pthread_cond_destroy.c (__pthread_cond_destroy): Likewise. * pthread_cond_signal.c (__pthread_cond_singal): Likewise. * pthread_cond_timedwait.c (__pthread_cond_timedwait): Likewise. * pthread_cond_wait.c (__condvar_cleanup, __pthread_cond_wait): Likewise. * pthread_getattr_np.c (pthread_getattr_np): Add LLL_PRIVATE as second argument to lll_{,un}lock macros on pd->lock. * pthread_getschedparam.c (__pthread_getschedparam): Likewise. * pthread_setschedparam.c (__pthread_setschedparam): Likewise. * pthread_setschedprio.c (pthread_setschedprio): Likewise. * tpp.c (__pthread_tpp_change_priority, __pthread_current_priority): Likewise. * sysdeps/pthread/createthread.c (do_clone, create_thread): Likewise. * pthread_once.c (once_lock): Change type to int. (__pthread_once): Pass LLL_PRIVATE as second argument to lll_{,un}lock macros on once_lock. * pthread_rwlock_rdlock.c (__pthread_rwlock_rdlock): Use lll_{,un}lock macros instead of lll_mutex_{,un}lock, pass rwlock->__data.__shared as second argument to them and similarly for lll_futex_w*. * pthread_rwlock_timedrdlock.c (pthread_rwlock_timedrdlock): Likewise. * pthread_rwlock_timedwrlock.c (pthread_rwlock_timedwrlock): Likewise. * pthread_rwlock_tryrdlock.c (__pthread_rwlock_tryrdlock): Likewise. * pthread_rwlock_trywrlock.c (__pthread_rwlock_trywrlock): Likewise. * pthread_rwlock_unlock.c (__pthread_rwlock_unlock): Likewise. * pthread_rwlock_wrlock.c (__pthread_rwlock_wrlock): Likewise. * sem_close.c (sem_close): Pass LLL_PRIVATE as second argument to lll_{,un}lock macros on __sem_mappings_lock. * sem_open.c (check_add_mapping): Likewise. (__sem_mappings_lock): Change type to int. * semaphoreP.h (__sem_mappings_lock): Likewise. * pthread_mutex_lock.c (LLL_MUTEX_LOCK, LLL_MUTEX_TRYLOCK, LLL_ROBUST_MUTEX_LOCK): Use lll_{,try,robust_}lock macros instead of lll_*mutex_*, pass LLL_SHARED as last argument. (__pthread_mutex_lock): Use lll_unlock instead of lll_mutex_unlock, pass LLL_SHARED as last argument. * sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c (LLL_MUTEX_LOCK, LLL_MUTEX_TRYLOCK, LLL_ROBUST_MUTEX_LOCK): Use lll_{cond_,cond_try,robust_cond}lock macros instead of lll_*mutex_*, pass LLL_SHARED as last argument. * pthread_mutex_timedlock.c (pthread_mutex_timedlock): Use lll_{timed,try,robust_timed,un}lock instead of lll_*mutex*, pass LLL_SHARED as last argument. * pthread_mutex_trylock.c (__pthread_mutex_trylock): Similarly. * pthread_mutex_unlock.c (__pthread_mutex_unlock_usercnt): Similarly. * sysdeps/pthread/bits/libc-lock.h (__libc_lock_lock, __libc_lock_lock_recursive, __libc_lock_unlock, __libc_lock_unlock_recursive): Pass LLL_PRIVATE as second argument to lll_{,un}lock. * sysdeps/pthread/bits/stdio-lock.h (_IO_lock_lock, _IO_lock_unlock): Likewise. * sysdeps/unix/sysv/linux/fork.c (__libc_fork): Don't use compound literal. * sysdeps/unix/sysv/linux/unregister-atfork.c (__unregister_atfork): Pass LLL_PRIVATE as second argument to lll_{,un}lock macros on __fork_lock. * sysdeps/unix/sysv/linux/register-atfork.c (__register_atfork, free_mem): Likewise. (__fork_lock): Change type to int. * sysdeps/unix/sysv/linux/fork.h (__fork_lock): Likewise. * sysdeps/unix/sysv/linux/sem_post.c (__new_sem_post): Pass isem->private ^ FUTEX_PRIVATE_FLAG as second argument to lll_futex_wake. * sysdeps/unix/sysv/linux/sem_timedwait.c (sem_timedwait): Likewise. * sysdeps/unix/sysv/linux/sem_wait.c (__new_sem_wait): Likewise. * sysdeps/unix/sysv/linux/lowlevellock.c (__lll_lock_wait_private): New function. (__lll_lock_wait, __lll_timedlock_wait): Add private argument and pass it through to lll_futex_*wait, only compile in when IS_IN_libpthread. * sysdeps/unix/sysv/linux/lowlevelrobustlock.c (__lll_robust_lock_wait, __lll_robust_timedlock_wait): Add private argument and pass it through to lll_futex_*wait. * sysdeps/unix/sysv/linux/alpha/lowlevellock.h: Renamed all lll_mutex_* resp. lll_robust_mutex_* macros to lll_* resp. lll_robust_*. Renamed all __lll_mutex_* resp. __lll_robust_mutex_* inline functions to __lll_* resp. __lll_robust_*. (LLL_MUTEX_LOCK_INITIALIZER): Remove. (lll_mutex_dead): Add private argument. (__lll_lock_wait_private): New prototype. (__lll_lock_wait, __lll_robust_lock_wait, __lll_lock_timedwait, __lll_robust_lock_timedwait): Add private argument to prototypes. (__lll_lock): Add private argument, if it is constant LLL_PRIVATE, call __lll_lock_wait_private, otherwise pass private to __lll_lock_wait. (__lll_robust_lock, __lll_cond_lock, __lll_timedlock, __lll_robust_timedlock): Add private argument, pass it to __lll_*wait functions. (__lll_unlock): Add private argument, if it is constant LLL_PRIVATE, call __lll_unlock_wake_private, otherwise pass private to __lll_unlock_wake. (__lll_robust_unlock): Add private argument, pass it to __lll_robust_unlock_wake. (lll_lock, lll_robust_lock, lll_cond_lock, lll_timedlock, lll_robust_timedlock, lll_unlock, lll_robust_unlock): Add private argument, pass it through to __lll_* inline function. (__lll_mutex_unlock_force, lll_mutex_unlock_force): Remove. (lll_lock_t): Remove. (__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake, __lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait, lll_cond_wake, lll_cond_broadcast): Remove. * 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/sparc/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Allow including the header from assembler. Renamed all lll_mutex_* resp. lll_robust_mutex_* macros to lll_* resp. lll_robust_*. (LOCK, FUTEX_CMP_REQUEUE, FUTEX_WAKE_OP, FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define. (LLL_MUTEX_LOCK_INITIALIZER, LLL_MUTEX_LOCK_INITIALIZER_LOCKED, LLL_MUTEX_LOCK_INITIALIZER_WAITERS): Remove. (__lll_mutex_lock_wait, __lll_mutex_timedlock_wait, __lll_mutex_unlock_wake, __lll_lock_wait, __lll_unlock_wake): Remove prototype. (__lll_trylock_asm, __lll_lock_asm_start, __lll_unlock_asm): Define. (lll_robust_trylock, lll_cond_trylock): Use LLL_LOCK_INITIALIZER* rather than LLL_MUTEX_LOCK_INITIALIZER* macros. (lll_trylock): Likewise, use __lll_trylock_asm, pass MULTIPLE_THREADS_OFFSET as another asm operand. (lll_lock): Add private argument, use __lll_lock_asm_start, pass MULTIPLE_THREADS_OFFSET as last asm operand, call __lll_lock_wait_private if private is constant LLL_PRIVATE, otherwise pass private as another argument to __lll_lock_wait. (lll_robust_lock, lll_cond_lock, lll_robust_cond_lock, lll_timedlock, lll_robust_timedlock): Add private argument, pass private as another argument to __lll_*lock_wait call. (lll_unlock): Add private argument, use __lll_unlock_asm, pass MULTIPLE_THREADS_OFFSET as another asm operand, call __lll_unlock_wake_private if private is constant LLL_PRIVATE, otherwise pass private as another argument to __lll_unlock_wake. (lll_robust_unlock): Add private argument, pass private as another argument to __lll_unlock_wake. (lll_robust_dead): Add private argument, use __lll_private_flag macro. (lll_islocked): Use LLL_LOCK_INITIALIZER instead of LLL_MUTEX_LOCK_INITIALIZER. (lll_lock_t): Remove. (LLL_LOCK_INITIALIZER_WAITERS): Define. (__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake, __lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait, lll_cond_wake, lll_cond_broadcast): Remove. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Revert 2007-05-2{3,9} changes. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Include kernel-features.h and lowlevellock.h. (LOAD_PRIVATE_FUTEX_WAIT): Define. (LOAD_FUTEX_WAIT): Rewritten. (LOCK, SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define. (__lll_lock_wait_private, __lll_unlock_wake_private): New functions. (__lll_mutex_lock_wait): Rename to ... (__lll_lock_wait): ... this. Take futex addr from %edx instead of %ecx, %ecx is now private argument. Don't compile in for libc.so. (__lll_mutex_timedlock_wait): Rename to ... (__lll_timedlock_wait): ... this. Use __NR_gettimeofday. %esi contains private argument. Don't compile in for libc.so. (__lll_mutex_unlock_wake): Rename to ... (__lll_unlock_wake): ... this. %ecx contains private argument. Don't compile in for libc.so. (__lll_timedwait_tid): Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S: Include kernel-features.h and lowlevellock.h. (LOAD_FUTEX_WAIT): Define. (LOCK, SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define. (__lll_robust_mutex_lock_wait): Rename to ... (__lll_robust_lock_wait): ... this. Futex addr is now in %edx argument, %ecx argument contains private. Use LOAD_FUTEX_WAIT macro. (__lll_robust_mutex_timedlock_wait): Rename to ... (__lll_robust_timedlock_wait): ... this. Use __NR_gettimeofday. %esi argument contains private, use LOAD_FUTEX_WAIT macro. * sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (pthread_barrier_wait): Rename __lll_mutex_* to __lll_*, pass PRIVATE(%ebx) ^ LLL_SHARED as private argument in %ecx to __lll_lock_wait and __lll_unlock_wake, pass MUTEX(%ebx) address to __lll_lock_wait in %edx. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: Include lowlevellock.h and pthread-errnos.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, EINVAL, LOCK): Don't define. (__pthread_cond_broadcast): Rename __lll_mutex_* to __lll_*, pass cond_lock address in %edx rather than %ecx to __lll_lock_wait, pass LLL_SHARED in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: Include lowlevellock.h and pthread-errnos.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_WAKE_OP, FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, EINVAL, LOCK): Don't define. (__pthread_cond_signal): Rename __lll_mutex_* to __lll_*, pass cond_lock address in %edx rather than %ecx to __lll_lock_wait, pass LLL_SHARED in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Include lowlevellock.h. (SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_cond_timedwait): Rename __lll_mutex_* to __lll_*, pass cond_lock address in %edx rather than %ecx to __lll_lock_wait, pass LLL_SHARED in %ecx to both __lll_lock_wait and __lll_unlock_wake. Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_cond_wait, __condvar_w_cleanup): Rename __lll_mutex_* to __lll_*, pass cond_lock address in %edx rather than %ecx to __lll_lock_wait, pass LLL_SHARED in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_rdlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%ebx) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%ebx) in %ecx to both __lll_lock_wait and __lll_unlock_wake. Move return value from %ecx to %edx register. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S: Include lowlevellock.h. (SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%ebp) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%ebp) in %ecx to both __lll_lock_wait and __lll_unlock_wake. Move return value from %ecx to %edx register. Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S: Include lowlevellock.h. (SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%ebp) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%ebp) in %ecx to both __lll_lock_wait and __lll_unlock_wake. Move return value from %ecx to %edx register. Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_unlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%edi) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%edi) in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass MUTEX(%ebx) address in %edx rather than %ecx to __lll_lock_wait, pass PSHARED(%ebx) in %ecx to both __lll_lock_wait and __lll_unlock_wake. Move return value from %ecx to %edx register. * sysdeps/unix/sysv/linux/i386/pthread_once.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Don't define. * sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAKE): Don't define. * sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Include lowlevellock.h. (LOCK, SYS_futex, SYS_gettimeofday, FUTEX_WAIT): Don't define. (sem_timedwait): Use __NR_gettimeofday. * sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Include lowlevellock.h. (LOCK): Don't define. * sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT): Don't define. * sysdeps/unix/sysv/linux/powerpc/sem_post.c: Wake only when there are waiters. * sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: Revert 2007-05-2{3,9} changes. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Include kernel-features.h and lowlevellock.h. (LOAD_PRIVATE_FUTEX_WAIT): Define. (LOAD_FUTEX_WAIT): Rewritten. (LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define. (__lll_lock_wait_private, __lll_unlock_wake_private): New functions. (__lll_mutex_lock_wait): Rename to ... (__lll_lock_wait): ... this. %esi is now private argument. Don't compile in for libc.so. (__lll_mutex_timedlock_wait): Rename to ... (__lll_timedlock_wait): ... this. %esi contains private argument. Don't compile in for libc.so. (__lll_mutex_unlock_wake): Rename to ... (__lll_unlock_wake): ... this. %esi contains private argument. Don't compile in for libc.so. * sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S: Include kernel-features.h and lowlevellock.h. (LOAD_FUTEX_WAIT): Define. (LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define. (__lll_robust_mutex_lock_wait): Rename to ... (__lll_robust_lock_wait): ... this. %esi argument contains private. Use LOAD_FUTEX_WAIT macro. (__lll_robust_mutex_timedlock_wait): Rename to ... (__lll_robust_timedlock_wait): ... this. %esi argument contains private, use LOAD_FUTEX_WAIT macro. * sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (pthread_barrier_wait): Rename __lll_mutex_* to __lll_*, pass PRIVATE(%rdi) ^ LLL_SHARED as private argument in %esi to __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S: Include lowlevellock.h and pthread-errnos.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, EINVAL, LOCK): Don't define. (__pthread_cond_broadcast): Rename __lll_mutex_* to __lll_*, pass LLL_SHARED in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S: Include lowlevellock.h and pthread-errnos.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_WAKE_OP, FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, EINVAL, LOCK): Don't define. (__pthread_cond_signal): Rename __lll_mutex_* to __lll_*, pass LLL_SHARED in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_cond_timedwait): Rename __lll_mutex_* to __lll_*, pass LLL_SHARED in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define. (__pthread_cond_wait, __condvar_cleanup): Rename __lll_mutex_* to __lll_*, pass LLL_SHARED in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_rdlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_unlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %esi to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Include lowlevellock.h. (SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK): Don't define. (__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass PSHARED(%rdi) in %ecx to both __lll_lock_wait and __lll_unlock_wake. * sysdeps/unix/sysv/linux/x86_64/pthread_once.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Don't define. * sysdeps/unix/sysv/linux/x86_64/sem_post.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAKE): Don't define. * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT): Don't define. * sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Include lowlevellock.h. (LOCK): Don't define. * sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Include lowlevellock.h. (LOCK, SYS_futex, FUTEX_WAIT): Don't define. * sysdeps/unix/sysv/linux/sparc/internaltypes.h: New file. * sysdeps/unix/sysv/linux/sparc/pthread_barrier_destroy.c: New file. * sysdeps/unix/sysv/linux/sparc/pthread_barrier_init.c: New file. * sysdeps/unix/sysv/linux/sparc/pthread_barrier_wait.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c (__lll_lock_wait_private): New function. (__lll_lock_wait, __lll_timedlock_wait): Add private argument, pass it to lll_futex_*wait. Don't compile in for libc.so. * sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c: Remove. * sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c (struct sparc_pthread_barrier): Remove. (pthread_barrier_wait): Use union sparc_pthread_barrier instead of struct sparc_pthread_barrier. Pass ibarrier->s.pshared ? LLL_SHARED : LLL_PRIVATE to lll_{,un}lock and lll_futex_wait macros. * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c: Remove. * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c: Include sparc pthread_barrier_wait.c instead of generic one.
2007-08-01 06:47:26 +02:00
lll_unlock (__sem_mappings_lock, LLL_PRIVATE);
return result;
Initial revision 2002-11-26 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (queue_stack): Don't remove stack from list here. Do it in the caller. Correct condition to prematurely terminate loop to free stacks. (__deallocate_stack): Remove stack from list here. 2002-11-26 Ulrich Drepper <drepper@redhat.com> * Makefile (tests): Add tst-stack1. * tst-stack1.c: New file. * allocatestack.c (allocate_stack): Initialize the TCB on a user provided stack. * pthread_attr_getstack.c: Return bottom of the thread area. 2002-11-25 Ulrich Drepper <drepper@redhat.com> * Makefile (libpthread-routines): Add pt-allocrtsig and pthread_kill_other_threads. * pt-allocrtsig.c: New file. * pthread_kill_other_threads.c: New file. * sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for all three functions. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove allocrtsig. * sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export __libc_current_sigrtmin_private, __libc_current_sigrtmax_private, and __libc_allocate_rtsig_private. * Versions (libpthread): Export pthread_kill_other_threads_np, __libc_current_sigrtmin, and __libc_current_sigrtmax. 2002-11-24 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (allocate_stack): stackaddr in attribute points to the end of the stack. Adjust computations. When mprotect call fails dequeue stack and free it. * pthread_attr_setstack.c: Store top of the stack in stackaddr attribute. * pthread_getattr_np.c: Likewise. * descr.h (IS_DETACHED): Add some more parenthesis to prevent surprises. 2002-11-23 Ulrich Drepper <drepper@redhat.com> * sysdeps/pthread/pthread.h (pthread_self): __THROW must come before attribute definitions. Patch by Luca Barbieri <ldb@ldb.ods.org>. 2002-11-22 Ulrich Drepper <drepper@redhat.com> * pthread_getspecific.c: Optimize access to first 2nd-level array. * pthread_setspecific.c: Likewise. 2002-11-21 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags definitions. Get them from the official place. * sysdeps/unix/sysv/linux/i386/fork.c: Likewise. * sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags. Use new CLONE_ flags in clone() calls. * sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork. * sysdeps/unix/sysv/linux/i386/fork.c: New file. * Versions: Add pthread_* functions for libc. * forward.c: New file. * sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add errno-loc. * herrno.c: New file. * res.c: New file. * Makefile (libpthread-routines): Remove sem_post, sem_wait, sem_trywait, and sem_timedwait. Add herrno and res. * sem_init.c: Don't initialize lock and waiters members. * sem_open.c: Likewise. * sem_post.c: Removed. * sem_wait.c: Removed. * sem_trywait.c: Removed. * sem_timedwait.c: Removed. * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite. Includes full implementations of sem_post, sem_wait, sem_trywait, and sem_timedwait. * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust for new implementation. * sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock and waiters fields. * tst-sem3.c: Improve error message. * tst-signal3.c: Likewise. * init.c (__pthread_initialize_minimal): Use set_tid_address syscall to tell the kernel about the termination futex and to initialize tid member. Don't initialize main_thread. * descr.h (struct pthread): Remove main_thread member. * cancelllation.c (__do_cancel): Remove code handling main thread. The main thread is not special anymore. * allocatestack.c (__reclaim_stacks): Mark stacks as unused. Add size of the stacks to stack_cache_actsize. * pt-readv.c: Add missing "defined". * pt-sigwait.c: Likewise. * pt-writev.c: Likewise. 2002-11-09 Ulrich Drepper <drepper@redhat.com> * Versions: Export __connect from libpthread. Patch by Luca Barbieri <ldb@ldb.ods.org>. * Makefile (libpthread-routines): Add pt-raise. * sysdeps/unix/sysv/linux/raise.c: New file. * sysdeps/unix/sysv/linux/pt-raise.c: New file. * sysdeps/generic/pt-raise.c: New file. * pthread_cond_init.c: Initialize all data elements of the condvar structure. Patch by Luca Barbieri <ldb@ldb.ods.org>. * pthread_attr_init.c: Actually implement 2.0 compatibility version. * pthread_create.c: Likewise. * Makefile (tests): Add tst-key1, tst-key2, tst-key3. * tst-key1.c: New file. * tst-key2.c: New file. * tst-key3.c: New file. * Versions: Export pthread_detach for version GLIBC_2.0. Reported by Saurabh Desai <sdesai@austin.ibm.com>. 2002-11-08 Ulrich Drepper <drepper@redhat.com> * pthread_key_create.c: Terminate search after an unused key was found. Patch by Luca Barbieri <ldb@ldb.ods.org>. * sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero. Patch by Luca Barbieri <ldb@ldb.ods.org>. 2002-10-10 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic dynamic lookup for errno in PIC. * allocatestack.c (get_cached_stack): Rearrange code slightly to release the stack lock as soon as possible. Call _dl_allocate_tls_init for TCB from the cache to re-initialize the static TLS block. (allocate_stack): Call _dl_allocate_tls_init for user-provided stack. * cancellation.c: Renamed from cancelation.c. * Makefile: Adjust accordingly. * pthreadP.h (CANCELLATION_P): Renamed from CANCELATION_P. * cleanup_defer.c: Use CANCELLATION_P. * pthread_testcancel.c: Likewise. * descr.h: Fix spelling in comments. * init.c: Likewise. * pthread_getattr_np.c: Likewise. * pthread_getschedparam.c: Likewise. * pthread_setschedparam.c: Likewise. * Versions: Likewise. * pt-pselect.c: New file. * Makefile (libpthread-routines): Add pt-pselect. * Versions: Add pselect. * tst-cancel4.c: New file. * Makefile (tests): Add tst-cancel4. 2002-10-09 Ulrich Drepper <drepper@redhat.com> * pthread_mutex_lock.c: Always record lock ownership. * pthread_mutex_timedlock.c: Likewise. * pthread_mutex_trylock.c: Likewise. * pt-readv.c: New file. * pt-writev.c: New file. * pt-creat.c: New file. * pt-msgrcv.c: New file. * pt-msgsnd.c: New file. * pt-poll.c: New file. * pt-select.c: New file. * pt-sigpause.c: New file. * pt-sigsuspend.c: New file. * pt-sigwait.c: New file. * pt-sigwaitinfo.c: New file. * pt-waitid.c: New file. * Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat, pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend, pt-sigwait, pt-sigwaitinfo, and pt-waitid. * Versions: Add all the new functions. * tst-exit1.c: New file. * Makefile (tests): Add tst-exit1. * sem_timedwait.c: Minor optimization for more optimal fastpath. 2002-10-08 Ulrich Drepper <drepper@redhat.com> * pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW. * pthread_join.c: Enable asynchronous cancellation around lll_wait_tid call. pthread_join is an official cancellation point. * pthread_timedjoin.c: Likewise. * pthread_cond_wait.c: Revert order in which internal lock are dropped and the condvar's mutex are retrieved. * pthread_cond_timedwait.c: Likewise. Reported by dice@saros.East.Sun.COM. 2002-10-07 Ulrich Drepper <drepper@redhat.com> * pthreadP.h: Cut out all type definitions and move them... * sysdeps/unix/sysv/linux/internaltypes.h: ...here. New file. * pthreadP.h: Include <internaltypes.h>. * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little performance tweaks. * sem_trywait.c: Shuffle #includes around to get right order. * sem_timedwait.c: Likewise. * sem_post.c: Likewise. * sem_wait.c: Likewise. * nptl 0.3 released. * Makefile (tests): Add tst-signal3. * tst-signal3.c: New file. 2002-10-05 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that the asms modify the sem object. (__lll_sem_timedwait): Now takes struct sem* as first parameter. * sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose the actual members. * pthreadP.h (struct sem): New type. Actual semaphore type. * semaphoreP.h: Include pthreadP.h. * sem_getvalue.c: Adjust to sem_t change. * sem_init.c: Likewise. * sem_open.c: Likewise. * sem_post.c: Likewise. * sem_timedwait.c: Likewise. * sem_trywait.c: Likewise. * sem_wait.c: Likewise. 2002-10-04 Ulrich Drepper <drepper@redhat.com> * Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3. * tst-basic2.c: New file. * tst-exec1.c: New file. * tst-exec2.c: New file. * tst-exec3.c: New file. * tst-fork1.c: Remove extra */. * nptl 0.2 released. The API for IA-32 is complete.
2002-11-26 23:50:54 +01:00
}