2 * Copyright 2016 Facebook, Inc.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
21 #include <folly/Range.h>
25 // This looks a bit weird, but it's necessary to avoid
26 // having an undefined compiler function called.
27 #if defined(__GLIBC__) && !defined(__APPLE__) && !defined(__ANDROID__)
28 #if __GLIBC_PREREQ(2, 12)
29 // has pthread_setname_np(pthread_t, const char*) (2 params)
30 #define FOLLY_HAS_PTHREAD_SETNAME_NP_THREAD_NAME 1
33 #if defined(__APPLE__) && defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
34 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
35 // has pthread_setname_np(const char*) (1 param)
36 #define FOLLY_HAS_PTHREAD_SETNAME_NP_NAME 1
41 inline bool setThreadName(T /* id */, StringPiece /* name */) {
43 std::is_same<T, pthread_t>::value ||
44 std::is_same<T, std::thread::native_handle_type>::value,
45 "type must be pthread_t or std::thread::native_handle_type");
49 #ifdef FOLLY_HAS_PTHREAD_SETNAME_NP_THREAD_NAME
51 inline bool setThreadName(pthread_t id, StringPiece name) {
52 return 0 == pthread_setname_np(id, name.fbstr().substr(0, 15).c_str());
56 #ifdef FOLLY_HAS_PTHREAD_SETNAME_NP_NAME
58 inline bool setThreadName(pthread_t id, StringPiece name) {
59 // Since OS X 10.6 it is possible for a thread to set its own name,
60 // but not that of some other thread.
61 if (pthread_equal(pthread_self(), id)) {
62 return 0 == pthread_setname_np(name.fbstr().c_str());
68 inline bool setThreadName(StringPiece name) {
69 return setThreadName(pthread_self(), name);