1/*
2 * Copyright 2015-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 <thread>
18
19#include <folly/ScopeGuard.h>
20#include <folly/portability/GTest.h>
21#include <folly/synchronization/Baton.h>
22#include <folly/system/ThreadName.h>
23
24using namespace std;
25using namespace folly;
26
27namespace {
28
29const bool expectedSetOtherThreadNameResult = folly::canSetOtherThreadName();
30const bool expectedSetSelfThreadNameResult = folly::canSetCurrentThreadName();
31constexpr StringPiece kThreadName{"rockin-thread"};
32
33} // namespace
34
35TEST(ThreadName, getCurrentThreadName) {
36 thread th([] {
37 EXPECT_EQ(expectedSetSelfThreadNameResult, setThreadName(kThreadName));
38 if (expectedSetSelfThreadNameResult) {
39 EXPECT_EQ(kThreadName.toString(), *getCurrentThreadName());
40 }
41 });
42 SCOPE_EXIT {
43 th.join();
44 };
45}
46
47#if FOLLY_HAVE_PTHREAD
48TEST(ThreadName, setThreadName_other_pthread) {
49 Baton<> handle_set;
50 Baton<> let_thread_end;
51 pthread_t handle;
52 thread th([&] {
53 handle = pthread_self();
54 handle_set.post();
55 let_thread_end.wait();
56 });
57 SCOPE_EXIT {
58 th.join();
59 };
60 handle_set.wait();
61 SCOPE_EXIT {
62 let_thread_end.post();
63 };
64 EXPECT_EQ(
65 expectedSetOtherThreadNameResult, setThreadName(handle, kThreadName));
66}
67#endif
68
69TEST(ThreadName, setThreadName_other_id) {
70 Baton<> let_thread_end;
71 thread th([&] { let_thread_end.wait(); });
72 SCOPE_EXIT {
73 th.join();
74 };
75 SCOPE_EXIT {
76 let_thread_end.post();
77 };
78 EXPECT_EQ(
79 expectedSetOtherThreadNameResult,
80 setThreadName(th.get_id(), kThreadName));
81 if (expectedSetOtherThreadNameResult) {
82 EXPECT_EQ(*getThreadName(th.get_id()), kThreadName);
83 }
84}
85