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 <stdint.h> 12 #include <sys/syscall.h> // IWYU pragma: keep 13 // IWYU pragma: no_include <syscall.h> 14 #include <unistd.h> 15 16 namespace gwp_asan { 17 getThreadID()18uint64_t getThreadID() { 19 #ifdef SYS_gettid 20 return syscall(SYS_gettid); 21 #else 22 return kInvalidThreadID; 23 #endif 24 } 25 26 } // namespace gwp_asan 27