1 /*
2 * Copyright (C) 2018 The Android Open Source Project
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 <android-base/threads.h>
18
19 #include <stdint.h>
20 #include <unistd.h>
21
22 #if defined(__APPLE__)
23 #include <pthread.h>
24 #elif defined(__linux__) && !defined(__ANDROID__)
25 #include <syscall.h>
26 #elif defined(_WIN32)
27 #include <windows.h>
28 #endif
29
30 namespace android {
31 namespace base {
32
GetThreadId()33 uint64_t GetThreadId() {
34 #if defined(__BIONIC__)
35 return gettid();
36 #elif defined(__APPLE__)
37 uint64_t tid;
38 pthread_threadid_np(NULL, &tid);
39 return tid;
40 #elif defined(__linux__)
41 return syscall(__NR_gettid);
42 #elif defined(_WIN32)
43 return GetCurrentThreadId();
44 #endif
45 }
46
47 } // namespace base
48 } // namespace android
49
50 #if defined(__GLIBC__)
tgkill(int tgid,int tid,int sig)51 int tgkill(int tgid, int tid, int sig) {
52 return syscall(__NR_tgkill, tgid, tid, sig);
53 }
54 #endif
55