platform_system_core/libcutils/threads.cpp
Hao Chen 253445ce3a threads.h: avoid defining gettid on glibc >= 2.30
The issue in https://bugs.chromium.org/p/chromium/issues/detail?id=1182060 also
exists on glibc 2.30 and 2.31 since `gettid` was Introduced in glibc 2.30.

See https://man7.org/linux/man-pages/man2/gettid.2.html

Bug: 285204695
Test: Build
Change-Id: I7e534edf8c0a20c415232bcfffabbf2c1d6eec98
2023-07-18 19:52:19 +00:00

43 lines
1.2 KiB
C++

/*
** Copyright (C) 2007, 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 <cutils/threads.h>
#if defined(__APPLE__)
#include <stdint.h>
#elif defined(__linux__)
#include <syscall.h>
#include <unistd.h>
#elif defined(_WIN32)
#include <windows.h>
#endif
#if defined(__BIONIC__) || defined(__GLIBC__) && __GLIBC_MINOR__ >= 30
// No definition needed for Android because we'll just pick up bionic's copy.
// No definition needed for Glibc >= 2.30 because it exposes its own copy.
#else
pid_t gettid() {
#if 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
}
#endif