platform_system_core/base/threads.cpp
Elliott Hughes 38488907a0 Move libbacktrace off cutils.
There's still <cutils/atomic.h> in a test, but I don't understand why
that isn't just std::atomic.

Also add a shared tgkill wrapper to libbase.

Bug: N/A
Test: ran tests
Change-Id: Idd4baa1e1670a84b3a8f35803cc5ffe5aae008a6
2018-07-11 13:55:07 -07:00

54 lines
1.3 KiB
C++

/*
* Copyright (C) 2018 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android-base/threads.h>
#include <stdint.h>
#include <unistd.h>
#if defined(__APPLE__)
#include <pthread.h>
#elif defined(__linux__) && !defined(__ANDROID__)
#include <syscall.h>
#elif defined(_WIN32)
#include <windows.h>
#endif
namespace android {
namespace base {
uint64_t GetThreadId() {
#if defined(__BIONIC__)
return gettid();
#elif defined(__APPLE__)
uint64_t tid;
pthread_threadid_np(NULL, &tid);
return tid;
#elif defined(__linux__)
return syscall(__NR_gettid);
#elif defined(_WIN32)
return GetCurrentThreadId();
#endif
}
} // namespace base
} // namespace android
#if defined(__GLIBC__)
int tgkill(int tgid, int tid, int sig) {
return syscall(__NR_tgkill, tgid, tid, sig);
}
#endif