xref: /freebsd/contrib/llvm-project/compiler-rt/lib/gwp_asan/platform_specific/mutex_posix.cpp (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1 //===-- mutex_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/mutex.h"
10 
11 #include <assert.h>
12 #include <pthread.h>
13 
14 namespace gwp_asan {
lock()15 void Mutex::lock() {
16   int Status = pthread_mutex_lock(&Mu);
17   assert(Status == 0);
18   // Remove warning for non-debug builds.
19   (void)Status;
20 }
21 
tryLock()22 bool Mutex::tryLock() { return pthread_mutex_trylock(&Mu) == 0; }
23 
unlock()24 void Mutex::unlock() {
25   int Status = pthread_mutex_unlock(&Mu);
26   assert(Status == 0);
27   // Remove warning for non-debug builds.
28   (void)Status;
29 }
30 } // namespace gwp_asan
31