28 lines · cpp
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-exception6//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_success16 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_DECL28