| /* |
| ** 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 <sys/types.h> |
| |
| #if defined(__APPLE__) |
| #include <pthread.h> |
| #include <stdint.h> |
| #elif defined(__linux__) |
| #include <pthread.h> |
| #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 |
| extern "C" 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 |