third_party/nacl-ported-tests/threads/cond_wait_test.cc

/*
 * Copyright 2010 The Native Client Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include <pthread.h>
#include <stdio.h>

#include "gtest/gtest.h"

namespace {

class CondWaitTests : public ::testing::Test {
 protected:
  CondWaitTests() {
    // You can do set-up work for each test here.
  }

  ~CondWaitTests() override {}

  void SetUp() override {}

  void TearDown() override {}
};

}  // namespace

struct ConditionPair {
  pthread_mutex_t* mutex;
  pthread_cond_t* condition;
};

void* lockingThread(void* data) {
  ConditionPair* pair = (ConditionPair*)data;
  pthread_mutex_lock(pair->mutex);
  pthread_cond_broadcast(pair->condition);
  pthread_mutex_unlock(pair->mutex);
  pthread_exit(NULL);
  return 0;
}

TEST_F(CondWaitTests, DISABLED_TestCondWait) {
  // This test checks that pthread_cond_wait correctly interacts with the mutex
  // error checking state.
  pthread_mutex_t mutex;
  pthread_mutexattr_t mta;
  pthread_mutexattr_init(&mta);
  pthread_mutexattr_settype(&mta, PTHREAD_MUTEX_ERRORCHECK);
  pthread_mutex_init(&mutex, &mta);
  pthread_mutexattr_destroy(&mta);

  pthread_cond_t condition;
  pthread_cond_init(&condition, NULL);

  pthread_mutex_lock(&mutex);

  ConditionPair pair = {&mutex, &condition};
  pthread_t thread;
  pthread_create(&thread, NULL, lockingThread, (void*)&pair);

  pthread_cond_wait(&condition, &mutex);  // releases mutex
  EXPECT_EQ(0, pthread_mutex_unlock(&mutex));
}