28 lines · cpp
1//===-- Linux implementation of the pthread_mutex_unlock function ---------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "pthread_mutex_unlock.h"10 11#include "src/__support/common.h"12#include "src/__support/macros/config.h"13#include "src/__support/threads/mutex.h"14 15#include <pthread.h>16 17namespace LIBC_NAMESPACE_DECL {18 19// The implementation currently handles only plain mutexes.20LLVM_LIBC_FUNCTION(int, pthread_mutex_unlock, (pthread_mutex_t * mutex)) {21 reinterpret_cast<Mutex *>(mutex)->unlock();22 // TODO: When the Mutex class supports all the possible error conditions23 // return the appropriate error value here.24 return 0;25}26 27} // namespace LIBC_NAMESPACE_DECL28