1//===-- Linux implementation of the cnd_wait 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 "src/threads/cnd_wait.h"
10#include "src/__support/common.h"
11#include "src/__support/macros/config.h"
12#include "src/__support/threads/CndVar.h"
13#include "src/__support/threads/mutex.h"
14
15#include <threads.h> // cnd_t, mtx_t, thrd_error, thrd_success
16
17namespace LIBC_NAMESPACE_DECL {
18
19static_assert(sizeof(CndVar) == sizeof(cnd_t));
20
21LLVM_LIBC_FUNCTION(int, cnd_wait, (cnd_t * cond, mtx_t *mtx)) {
22 CndVar *cndvar = reinterpret_cast<CndVar *>(cond);
23 Mutex *mutex = reinterpret_cast<Mutex *>(mtx);
24 return cndvar->wait(mutex) ? thrd_error : thrd_success;
25}
26
27} // namespace LIBC_NAMESPACE_DECL
28

source code of libc/src/threads/linux/cnd_wait.cpp