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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/threads/cnd_signal.h" 10 #include "src/__support/common.h" 11 #include "src/__support/threads/CndVar.h" 12 13 #include <threads.h> // cnd_t, thrd_error, thrd_success 14 15 namespace LIBC_NAMESPACE { 16 17 static_assert(sizeof(CndVar) == sizeof(cnd_t)); 18 19 LLVM_LIBC_FUNCTION(int, cnd_signal, (cnd_t * cond)) { 20 CndVar *cndvar = reinterpret_cast<CndVar *>(cond); 21 cndvar->notify_one(); 22 return thrd_success; 23 } 24 25 } // namespace LIBC_NAMESPACE 26