1*71db0c75SAndroid Build Coastguard Worker //===-- Linux implementation of the cnd_wait function ---------------------===// 2*71db0c75SAndroid Build Coastguard Worker // 3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information. 5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*71db0c75SAndroid Build Coastguard Worker // 7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===// 8*71db0c75SAndroid Build Coastguard Worker 9*71db0c75SAndroid Build Coastguard Worker #include "src/threads/cnd_wait.h" 10*71db0c75SAndroid Build Coastguard Worker #include "src/__support/common.h" 11*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h" 12*71db0c75SAndroid Build Coastguard Worker #include "src/__support/threads/CndVar.h" 13*71db0c75SAndroid Build Coastguard Worker #include "src/__support/threads/mutex.h" 14*71db0c75SAndroid Build Coastguard Worker 15*71db0c75SAndroid Build Coastguard Worker #include <threads.h> // cnd_t, mtx_t, thrd_error, thrd_success 16*71db0c75SAndroid Build Coastguard Worker 17*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL { 18*71db0c75SAndroid Build Coastguard Worker 19*71db0c75SAndroid Build Coastguard Worker static_assert(sizeof(CndVar) == sizeof(cnd_t)); 20*71db0c75SAndroid Build Coastguard Worker 21*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(int, cnd_wait, (cnd_t * cond, mtx_t *mtx)) { 22*71db0c75SAndroid Build Coastguard Worker CndVar *cndvar = reinterpret_cast<CndVar *>(cond); 23*71db0c75SAndroid Build Coastguard Worker Mutex *mutex = reinterpret_cast<Mutex *>(mtx); 24*71db0c75SAndroid Build Coastguard Worker return cndvar->wait(mutex) ? thrd_error : thrd_success; 25*71db0c75SAndroid Build Coastguard Worker } 26*71db0c75SAndroid Build Coastguard Worker 27*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL 28