diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/libgomp/config/posix95/lock.c')
-rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/posix95/lock.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/gcc-4.2.1-5666.3/libgomp/config/posix95/lock.c b/gcc-4.2.1-5666.3/libgomp/config/posix95/lock.c deleted file mode 100644 index 2416f1131..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/posix95/lock.c +++ /dev/null @@ -1,131 +0,0 @@ -/* Copyright (C) 2006 Free Software Foundation, Inc. - - 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 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. - - 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 Lesser General Public License for - more details. - - You should have received a copy of the GNU Lesser General Public License - along with libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This is the POSIX95 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. */ - -#include "libgomp.h" - - -void -omp_init_lock (omp_lock_t *lock) -{ - pthread_mutex_init (lock, NULL); -} - -void -omp_destroy_lock (omp_lock_t *lock) -{ - pthread_mutex_destroy (lock); -} - -void -omp_set_lock (omp_lock_t *lock) -{ - pthread_mutex_lock (lock); -} - -void -omp_unset_lock (omp_lock_t *lock) -{ - pthread_mutex_unlock (lock); -} - -int -omp_test_lock (omp_lock_t *lock) -{ - return pthread_mutex_trylock (lock) == 0; -} - -void -omp_init_nest_lock (omp_nest_lock_t *lock) -{ - pthread_mutex_init (&lock->lock, NULL); - lock->owner = (pthread_t) 0; - lock->count = 0; -} - -void -omp_destroy_nest_lock (omp_nest_lock_t *lock) -{ - pthread_mutex_destroy (&lock->lock); -} - -void -omp_set_nest_lock (omp_nest_lock_t *lock) -{ - pthread_t me = pthread_self (); - - if (lock->owner != me) - { - pthread_mutex_lock (&lock->lock); - lock->owner = me; - } - - lock->count++; -} - -void -omp_unset_nest_lock (omp_nest_lock_t *lock) -{ - lock->count--; - - if (lock->count == 0) - { - lock->owner = (pthread_t) 0; - pthread_mutex_unlock (&lock->lock); - } -} - -int -omp_test_nest_lock (omp_nest_lock_t *lock) -{ - pthread_t me = pthread_self (); - - if (lock->owner != me) - { - if (pthread_mutex_trylock (&lock->lock) != 0) - return 0; - lock->owner = me; - } - - return ++lock->count; -} - -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) |