ext/libuv/src/unix/pthread-fixes.c in libuv-0.11.21 vs ext/libuv/src/unix/pthread-fixes.c in libuv-0.11.22
- old
+ new
@@ -1,80 +1,80 @@
-/* Copyright (c) 2013, Sony Mobile Communications AB
- * Copyright (c) 2012, Google Inc.
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are
- met:
-
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following disclaimer
- in the documentation and/or other materials provided with the
- distribution.
- * Neither the name of Google Inc. nor the names of its
- contributors may be used to endorse or promote products derived from
- this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-
-/*Android doesn't provide pthread_barrier_t for now.*/
-#ifndef PTHREAD_BARRIER_SERIAL_THREAD
-
-#include "pthread-fixes.h"
-
-int pthread_barrier_init(pthread_barrier_t* barrier,
- const void* barrier_attr,
- unsigned count) {
- barrier->count = count;
- pthread_mutex_init(&barrier->mutex, NULL);
- pthread_cond_init(&barrier->cond, NULL);
- return 0;
-}
-
-int pthread_barrier_wait(pthread_barrier_t* barrier) {
- /* Lock the mutex*/
- pthread_mutex_lock(&barrier->mutex);
- /* Decrement the count. If this is the first thread to reach 0, wake up
- waiters, unlock the mutex, then return PTHREAD_BARRIER_SERIAL_THREAD.*/
- if (--barrier->count == 0) {
- /* First thread to reach the barrier */
- pthread_cond_broadcast(&barrier->cond);
- pthread_mutex_unlock(&barrier->mutex);
- return PTHREAD_BARRIER_SERIAL_THREAD;
- }
- /* Otherwise, wait for other threads until the count reaches 0, then
- return 0 to indicate this is not the first thread.*/
- do {
- pthread_cond_wait(&barrier->cond, &barrier->mutex);
- } while (barrier->count > 0);
-
- pthread_mutex_unlock(&barrier->mutex);
- return 0;
-}
-
-int pthread_barrier_destroy(pthread_barrier_t *barrier) {
- barrier->count = 0;
- pthread_cond_destroy(&barrier->cond);
- pthread_mutex_destroy(&barrier->mutex);
- return 0;
-}
-
-#endif /* defined(PTHREAD_BARRIER_SERIAL_THREAD) */
-
-int pthread_yield(void) {
- sched_yield();
- return 0;
-}
+/* Copyright (c) 2013, Sony Mobile Communications AB
+ * Copyright (c) 2012, Google Inc.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following disclaimer
+ in the documentation and/or other materials provided with the
+ distribution.
+ * Neither the name of Google Inc. nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+/*Android doesn't provide pthread_barrier_t for now.*/
+#ifndef PTHREAD_BARRIER_SERIAL_THREAD
+
+#include "pthread-fixes.h"
+
+int pthread_barrier_init(pthread_barrier_t* barrier,
+ const void* barrier_attr,
+ unsigned count) {
+ barrier->count = count;
+ pthread_mutex_init(&barrier->mutex, NULL);
+ pthread_cond_init(&barrier->cond, NULL);
+ return 0;
+}
+
+int pthread_barrier_wait(pthread_barrier_t* barrier) {
+ /* Lock the mutex*/
+ pthread_mutex_lock(&barrier->mutex);
+ /* Decrement the count. If this is the first thread to reach 0, wake up
+ waiters, unlock the mutex, then return PTHREAD_BARRIER_SERIAL_THREAD.*/
+ if (--barrier->count == 0) {
+ /* First thread to reach the barrier */
+ pthread_cond_broadcast(&barrier->cond);
+ pthread_mutex_unlock(&barrier->mutex);
+ return PTHREAD_BARRIER_SERIAL_THREAD;
+ }
+ /* Otherwise, wait for other threads until the count reaches 0, then
+ return 0 to indicate this is not the first thread.*/
+ do {
+ pthread_cond_wait(&barrier->cond, &barrier->mutex);
+ } while (barrier->count > 0);
+
+ pthread_mutex_unlock(&barrier->mutex);
+ return 0;
+}
+
+int pthread_barrier_destroy(pthread_barrier_t *barrier) {
+ barrier->count = 0;
+ pthread_cond_destroy(&barrier->cond);
+ pthread_mutex_destroy(&barrier->mutex);
+ return 0;
+}
+
+#endif /* defined(PTHREAD_BARRIER_SERIAL_THREAD) */
+
+int pthread_yield(void) {
+ sched_yield();
+ return 0;
+}