27 lines · cpp
1//===-- Linux implementation of the cnd_signal 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_signal.h"10#include "src/__support/common.h"11#include "src/__support/macros/config.h"12#include "src/__support/threads/CndVar.h"13 14#include <threads.h> // cnd_t, thrd_error, thrd_success15 16namespace LIBC_NAMESPACE_DECL {17 18static_assert(sizeof(CndVar) == sizeof(cnd_t));19 20LLVM_LIBC_FUNCTION(int, cnd_signal, (cnd_t * cond)) {21 CndVar *cndvar = reinterpret_cast<CndVar *>(cond);22 cndvar->notify_one();23 return thrd_success;24}25 26} // namespace LIBC_NAMESPACE_DECL27