30 lines · cpp
1//===-- Linux implementation of the mtx_init 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 "src/threads/mtx_init.h"10#include "src/__support/common.h"11#include "src/__support/macros/config.h"12#include "src/__support/threads/mutex.h"13 14#include <threads.h> // For mtx_t definition.15 16namespace LIBC_NAMESPACE_DECL {17 18static_assert(sizeof(Mutex) <= sizeof(mtx_t),19 "The public mtx_t type cannot accommodate the internal mutex "20 "type.");21 22LLVM_LIBC_FUNCTION(int, mtx_init, (mtx_t * m, int type)) {23 auto err = Mutex::init(reinterpret_cast<Mutex *>(m), type & mtx_timed,24 type & mtx_recursive, /* is_robust */ false,25 /* is_pshared */ false);26 return err == MutexError::NONE ? thrd_success : thrd_error;27}28 29} // namespace LIBC_NAMESPACE_DECL30