The Tor Browser: comparison toolkit/crashreporter/google-breakpad/src/common/android/testing/pthread

--1:000000000000
+:c2ce18096907
+// 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.
+// This contains Pthread-related functions not provided by the Android NDK
+// but required by the Breakpad unit test. The functions are inlined here
+// in a C++ anonymous namespace in order to keep the build files simples.
+#ifndef GOOGLE_BREAKPAD_COMMON_ANDROID_TESTING_PTHREAD_FIXES_H
+#define GOOGLE_BREAKPAD_COMMON_ANDROID_TESTING_PTHREAD_FIXES_H
+#include <pthread.h>
+namespace {
+// Android doesn't provide pthread_barrier_t for now.
+#ifndef PTHREAD_BARRIER_SERIAL_THREAD
+// Anything except 0 will do here.
+#define PTHREAD_BARRIER_SERIAL_THREAD  0x12345
+typedef struct {
+pthread_mutex_t  mutex;
+pthread_cond_t   cond;
+unsigned         count;
+} pthread_barrier_t;
+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;
+}
+}  // namespace
+#endif  // GOOGLE_BREAKPAD_COMMON_ANDROID_TESTING_PTHREAD_FIXES_H

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comparison: toolkit/crashreporter/google-breakpad/src/common/android/testing/pthread_fixes.h

toolkit/crashreporter/google-breakpad/src/common/android/testing/pthread_fixes.h