| /* |
| * Copyright (C) 2013 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 "thread_utils.h" |
| |
| #if defined(__APPLE__) |
| |
| #include <sys/syscall.h> |
| |
| // Mac OS >= 10.6 has a system call equivalent to Linux's gettid(). |
| pid_t gettid() { |
| return syscall(SYS_thread_selfid); |
| } |
| |
| #elif !defined(__BIONIC__) |
| |
| // glibc doesn't implement or export either gettid or tgkill. |
| #include <unistd.h> |
| #include <sys/syscall.h> |
| |
| pid_t gettid() { |
| return syscall(__NR_gettid); |
| } |
| |
| int tgkill(int tgid, int tid, int sig) { |
| return syscall(__NR_tgkill, tgid, tid, sig); |
| } |
| |
| #endif |