1 //===-- common_posix.cpp ----------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "gwp_asan/common.h"
10 
11 #include <sys/syscall.h>
12 #include <unistd.h>
13 
14 namespace gwp_asan {
15 
16 uint64_t getThreadID() {
17 #ifdef SYS_gettid
18   return syscall(SYS_gettid);
19 #else
20   return kInvalidThreadID;
21 #endif
22 }
23 
24 } // namespace gwp_asan
25