1/*
2 * Copyright 2016-present Facebook, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <folly/portability/PThread.h>
18
19#include <folly/portability/GTest.h>
20
21#include <atomic>
22
23TEST(PThreadTest, pthread_create_and_join) {
24 static std::atomic<bool> hasRun{false};
25 static std::atomic<int32_t> argPassedIn{0};
26 auto mainFunc = [](void* arg) -> void* {
27 hasRun = true;
28 argPassedIn = (int32_t) reinterpret_cast<uintptr_t>(arg);
29 return nullptr;
30 };
31
32 pthread_t thread;
33 EXPECT_EQ(pthread_create(&thread, nullptr, mainFunc, (void*)53), 0);
34 EXPECT_EQ(pthread_join(thread, nullptr), 0);
35 EXPECT_TRUE(hasRun);
36 EXPECT_EQ(argPassedIn, 53);
37}
38
39TEST(PThreadTest, pthread_join_return_value) {
40 static std::atomic<bool> hasRun{false};
41 auto mainFunc = [](void*) -> void* {
42 hasRun = true;
43 return (void*)5;
44 };
45
46 pthread_t thread;
47 EXPECT_EQ(pthread_create(&thread, nullptr, mainFunc, nullptr), 0);
48 void* exitCode = nullptr;
49 EXPECT_EQ(pthread_join(thread, &exitCode), 0);
50 EXPECT_EQ(exitCode, (void*)5);
51 EXPECT_TRUE(hasRun);
52}
53
54TEST(PThreadTest, pthread_equal) {
55 auto self = pthread_self();
56 EXPECT_NE(pthread_equal(self, self), 0);
57
58 auto mainFunc = [](void*) -> void* { return nullptr; };
59 pthread_t thread;
60 EXPECT_EQ(pthread_create(&thread, nullptr, mainFunc, nullptr), 0);
61 EXPECT_EQ(pthread_equal(thread, self), 0);
62}
63
64TEST(PThreadTest, pthread_self_on_pthread_thread) {
65 static std::atomic<bool> hasRun{false};
66 static pthread_t otherSelf;
67 auto mainFunc = [](void*) -> void* {
68 hasRun = true;
69 otherSelf = pthread_self();
70 return nullptr;
71 };
72
73 pthread_t thread;
74 EXPECT_EQ(pthread_create(&thread, nullptr, mainFunc, nullptr), 0);
75 EXPECT_EQ(pthread_join(thread, nullptr), 0);
76 EXPECT_NE(pthread_equal(otherSelf, thread), 0);
77 EXPECT_TRUE(hasRun);
78}
79