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Diffstat (limited to 'gcc-4.4.3/libgomp/config/posix/lock.c')
-rw-r--r-- | gcc-4.4.3/libgomp/config/posix/lock.c | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/gcc-4.4.3/libgomp/config/posix/lock.c b/gcc-4.4.3/libgomp/config/posix/lock.c deleted file mode 100644 index 8cd715e64..000000000 --- a/gcc-4.4.3/libgomp/config/posix/lock.c +++ /dev/null @@ -1,307 +0,0 @@ -/* Copyright (C) 2005, 2008, 2009 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - Libgomp 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 General Public License for - more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - <http://www.gnu.org/licenses/>. */ - -/* This is the default PTHREADS implementation of the public OpenMP - locking primitives. - - Because OpenMP uses different entry points for normal and recursive - locks, and pthreads uses only one entry point, a system may be able - to do better and streamline the locking as well as reduce the size - of the types exported. */ - -/* We need Unix98 extensions to get recursive locks. On Tru64 UNIX V4.0F, - the declarations are available without _XOPEN_SOURCE, which actually - breaks compilation. */ -#ifndef __osf__ -#define _XOPEN_SOURCE 500 -#endif - -#include "libgomp.h" - -#ifdef HAVE_BROKEN_POSIX_SEMAPHORES -void -gomp_init_lock_30 (omp_lock_t *lock) -{ - pthread_mutex_init (lock, NULL); -} - -void -gomp_destroy_lock_30 (omp_lock_t *lock) -{ - pthread_mutex_destroy (lock); -} - -void -gomp_set_lock_30 (omp_lock_t *lock) -{ - pthread_mutex_lock (lock); -} - -void -gomp_unset_lock_30 (omp_lock_t *lock) -{ - pthread_mutex_unlock (lock); -} - -int -gomp_test_lock_30 (omp_lock_t *lock) -{ - return pthread_mutex_trylock (lock) == 0; -} - -void -gomp_init_nest_lock_30 (omp_nest_lock_t *lock) -{ - pthread_mutex_init (&lock->lock, NULL); - lock->count = 0; - lock->owner = NULL; -} - -void -gomp_destroy_nest_lock_30 (omp_nest_lock_t *lock) -{ - pthread_mutex_destroy (&lock->lock); -} - -void -gomp_set_nest_lock_30 (omp_nest_lock_t *lock) -{ - void *me = gomp_icv (true); - - if (lock->owner != me) - { - pthread_mutex_lock (&lock->lock); - lock->owner = me; - } - lock->count++; -} - -void -gomp_unset_nest_lock_30 (omp_nest_lock_t *lock) -{ - if (--lock->count == 0) - { - lock->owner = NULL; - pthread_mutex_unlock (&lock->lock); - } -} - -int -gomp_test_nest_lock_30 (omp_nest_lock_t *lock) -{ - void *me = gomp_icv (true); - - if (lock->owner != me) - { - if (pthread_mutex_trylock (&lock->lock) != 0) - return 0; - lock->owner = me; - } - - return ++lock->count; -} - -#else - -void -gomp_init_lock_30 (omp_lock_t *lock) -{ - sem_init (lock, 0, 1); -} - -void -gomp_destroy_lock_30 (omp_lock_t *lock) -{ - sem_destroy (lock); -} - -void -gomp_set_lock_30 (omp_lock_t *lock) -{ - while (sem_wait (lock) != 0) - ; -} - -void -gomp_unset_lock_30 (omp_lock_t *lock) -{ - sem_post (lock); -} - -int -gomp_test_lock_30 (omp_lock_t *lock) -{ - return sem_trywait (lock) == 0; -} - -void -gomp_init_nest_lock_30 (omp_nest_lock_t *lock) -{ - sem_init (&lock->lock, 0, 1); - lock->count = 0; - lock->owner = NULL; -} - -void -gomp_destroy_nest_lock_30 (omp_nest_lock_t *lock) -{ - sem_destroy (&lock->lock); -} - -void -gomp_set_nest_lock_30 (omp_nest_lock_t *lock) -{ - void *me = gomp_icv (true); - - if (lock->owner != me) - { - while (sem_wait (&lock->lock) != 0) - ; - lock->owner = me; - } - lock->count++; -} - -void -gomp_unset_nest_lock_30 (omp_nest_lock_t *lock) -{ - if (--lock->count == 0) - { - lock->owner = NULL; - sem_post (&lock->lock); - } -} - -int -gomp_test_nest_lock_30 (omp_nest_lock_t *lock) -{ - void *me = gomp_icv (true); - - if (lock->owner != me) - { - if (sem_trywait (&lock->lock) != 0) - return 0; - lock->owner = me; - } - - return ++lock->count; -} -#endif - -#ifdef LIBGOMP_GNU_SYMBOL_VERSIONING -void -gomp_init_lock_25 (omp_lock_25_t *lock) -{ - pthread_mutex_init (lock, NULL); -} - -void -gomp_destroy_lock_25 (omp_lock_25_t *lock) -{ - pthread_mutex_destroy (lock); -} - -void -gomp_set_lock_25 (omp_lock_25_t *lock) -{ - pthread_mutex_lock (lock); -} - -void -gomp_unset_lock_25 (omp_lock_25_t *lock) -{ - pthread_mutex_unlock (lock); -} - -int -gomp_test_lock_25 (omp_lock_25_t *lock) -{ - return pthread_mutex_trylock (lock) == 0; -} - -void -gomp_init_nest_lock_25 (omp_nest_lock_25_t *lock) -{ - pthread_mutexattr_t attr; - - pthread_mutexattr_init (&attr); - pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE); - pthread_mutex_init (&lock->lock, &attr); - lock->count = 0; - pthread_mutexattr_destroy (&attr); -} - -void -gomp_destroy_nest_lock_25 (omp_nest_lock_25_t *lock) -{ - pthread_mutex_destroy (&lock->lock); -} - -void -gomp_set_nest_lock_25 (omp_nest_lock_25_t *lock) -{ - pthread_mutex_lock (&lock->lock); - lock->count++; -} - -void -gomp_unset_nest_lock_25 (omp_nest_lock_25_t *lock) -{ - lock->count--; - pthread_mutex_unlock (&lock->lock); -} - -int -gomp_test_nest_lock_25 (omp_nest_lock_25_t *lock) -{ - if (pthread_mutex_trylock (&lock->lock) == 0) - return ++lock->count; - return 0; -} - -omp_lock_symver (omp_init_lock) -omp_lock_symver (omp_destroy_lock) -omp_lock_symver (omp_set_lock) -omp_lock_symver (omp_unset_lock) -omp_lock_symver (omp_test_lock) -omp_lock_symver (omp_init_nest_lock) -omp_lock_symver (omp_destroy_nest_lock) -omp_lock_symver (omp_set_nest_lock) -omp_lock_symver (omp_unset_nest_lock) -omp_lock_symver (omp_test_nest_lock) - -#else - -ialias (omp_init_lock) -ialias (omp_init_nest_lock) -ialias (omp_destroy_lock) -ialias (omp_destroy_nest_lock) -ialias (omp_set_lock) -ialias (omp_set_nest_lock) -ialias (omp_unset_lock) -ialias (omp_unset_nest_lock) -ialias (omp_test_lock) -ialias (omp_test_nest_lock) - -#endif |