1//===-- Linux implementation of the pthread_mutex_lock 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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "pthread_mutex_lock.h"
10
11#include "src/__support/common.h"
12#include "src/__support/threads/mutex.h"
13
14#include <pthread.h>
15
16namespace LIBC_NAMESPACE {
17
18// The implementation currently handles only plain mutexes.
19LLVM_LIBC_FUNCTION(int, pthread_mutex_lock, (pthread_mutex_t * mutex)) {
20 reinterpret_cast<Mutex *>(mutex)->lock();
21 // TODO: When the Mutex class supports all the possible error conditions
22 // return the appropriate error value here.
23 return 0;
24}
25
26} // namespace LIBC_NAMESPACE
27

source code of libc/src/pthread/pthread_mutex_lock.cpp