blob: 9a474c0a54f381cda531c1815fd99e2c43960085 [file] [log] [blame]
* Copyright (C) 2012 The Android Open Source Project
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#include <gtest/gtest.h>
#include <errno.h>
#include <pthread.h>
#include <unistd.h>
TEST(pthread, pthread_key_create) {
pthread_key_t key;
ASSERT_EQ(0, pthread_key_create(&key, NULL));
ASSERT_EQ(0, pthread_key_delete(key));
// Can't delete a key that's already been deleted.
ASSERT_EQ(EINVAL, pthread_key_delete(key));
static void* IdFn(void* arg) {
return arg;
static void* SleepFn(void* arg) {
sleep(reinterpret_cast<unsigned int>(arg));
return NULL;
static void* JoinFn(void* arg) {
return reinterpret_cast<void*>(pthread_join(reinterpret_cast<pthread_t>(arg), NULL));
TEST(pthread, pthread_create) {
void* expected_result = reinterpret_cast<void*>(123);
// Can we create a thread?
pthread_t t;
ASSERT_EQ(0, pthread_create(&t, NULL, IdFn, expected_result));
// If we join, do we get the expected value back?
void* result;
ASSERT_EQ(0, pthread_join(t, &result));
ASSERT_EQ(expected_result, result);
TEST(pthread, pthread_no_join_after_detach) {
pthread_t t1;
ASSERT_EQ(0, pthread_create(&t1, NULL, SleepFn, reinterpret_cast<void*>(5)));
// After a pthread_detach...
ASSERT_EQ(0, pthread_detach(t1));
// ...pthread_join should fail.
void* result;
ASSERT_EQ(EINVAL, pthread_join(t1, &result));
TEST(pthread, pthread_no_op_detach_after_join) {
pthread_t t1;
ASSERT_EQ(0, pthread_create(&t1, NULL, SleepFn, reinterpret_cast<void*>(1)));
// If thread 2 is already waiting to join thread 1...
pthread_t t2;
ASSERT_EQ(0, pthread_create(&t2, NULL, JoinFn, reinterpret_cast<void*>(t1)));
// ...a call to pthread_detach on thread 1 will "succeed"...
ASSERT_EQ(0, pthread_detach(t1));
// ...but the join still goes ahead.
void* join_result;
ASSERT_EQ(0, pthread_join(t2, &join_result));
ASSERT_EQ(EINVAL, reinterpret_cast<int>(join_result));