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authorDan Albert <danalbert@google.com>2015-06-17 11:09:54 -0700
committerDan Albert <danalbert@google.com>2015-06-17 14:15:22 -0700
commitf378ebf14df0952eae870c9865bab8326aa8f137 (patch)
tree31794503eb2a8c64ea5f313b93100f1163afcffb /gcc-4.6/libgomp/config/posix/sem.c
parent2c58169824949d3a597d9fa81931e001ef9b1bd0 (diff)
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Delete old versions of GCC.
Change-Id: I710f125d905290e1024cbd67f48299861790c66c
Diffstat (limited to 'gcc-4.6/libgomp/config/posix/sem.c')
-rw-r--r--gcc-4.6/libgomp/config/posix/sem.c123
1 files changed, 0 insertions, 123 deletions
diff --git a/gcc-4.6/libgomp/config/posix/sem.c b/gcc-4.6/libgomp/config/posix/sem.c
deleted file mode 100644
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--- a/gcc-4.6/libgomp/config/posix/sem.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/* Copyright (C) 2005, 2006, 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 POSIX 1003.1b implementation of a semaphore
- synchronization mechanism for libgomp. This type is private to
- the library.
-
- This is a bit heavy weight for what we need, in that we're not
- interested in sem_wait as a cancelation point, but it's not too
- bad for a default. */
-
-#include "libgomp.h"
-
-#ifdef HAVE_BROKEN_POSIX_SEMAPHORES
-#include <stdlib.h>
-
-void gomp_sem_init (gomp_sem_t *sem, int value)
-{
- int ret;
-
- ret = pthread_mutex_init (&sem->mutex, NULL);
- if (ret)
- return;
-
- ret = pthread_cond_init (&sem->cond, NULL);
- if (ret)
- return;
-
- sem->value = value;
-}
-
-void gomp_sem_wait (gomp_sem_t *sem)
-{
- int ret;
-
- ret = pthread_mutex_lock (&sem->mutex);
- if (ret)
- return;
-
- if (sem->value > 0)
- {
- sem->value--;
- ret = pthread_mutex_unlock (&sem->mutex);
- return;
- }
-
- while (sem->value <= 0)
- {
- ret = pthread_cond_wait (&sem->cond, &sem->mutex);
- if (ret)
- {
- pthread_mutex_unlock (&sem->mutex);
- return;
- }
- }
-
- sem->value--;
- ret = pthread_mutex_unlock (&sem->mutex);
- return;
-}
-
-void gomp_sem_post (gomp_sem_t *sem)
-{
- int ret;
-
- ret = pthread_mutex_lock (&sem->mutex);
- if (ret)
- return;
-
- sem->value++;
-
- ret = pthread_mutex_unlock (&sem->mutex);
- if (ret)
- return;
-
- ret = pthread_cond_signal (&sem->cond);
-
- return;
-}
-
-void gomp_sem_destroy (gomp_sem_t *sem)
-{
- int ret;
-
- ret = pthread_mutex_destroy (&sem->mutex);
- if (ret)
- return;
-
- ret = pthread_cond_destroy (&sem->cond);
-
- return;
-}
-#else /* HAVE_BROKEN_POSIX_SEMAPHORES */
-void
-gomp_sem_wait (gomp_sem_t *sem)
-{
- /* With POSIX, the wait can be canceled by signals. We don't want that.
- It is expected that the return value here is -1 and errno is EINTR. */
- while (sem_wait (sem) != 0)
- continue;
-}
-#endif