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

toolkit/crashreporter/google-breakpad/src/common/android/testing/pthread_fixes.h@129ffea94266 (annotated)

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

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 // 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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toolkit/crashreporter/google-breakpad/src/common/android/testing/pthread_fixes.h@129ffea94266 (annotated)

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