1*71db0c75SAndroid Build Coastguard Worker //===-- Linux implementation of the mtx_unlock 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/mtx_unlock.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/mutex.h" 13*71db0c75SAndroid Build Coastguard Worker 14*71db0c75SAndroid Build Coastguard Worker #include <threads.h> // For mtx_t definition. 15*71db0c75SAndroid Build Coastguard Worker 16*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL { 17*71db0c75SAndroid Build Coastguard Worker 18*71db0c75SAndroid Build Coastguard Worker // The implementation currently handles only plain mutexes. 19*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(int, mtx_unlock, (mtx_t * mutex)) { 20*71db0c75SAndroid Build Coastguard Worker auto *m = reinterpret_cast<Mutex *>(mutex); 21*71db0c75SAndroid Build Coastguard Worker auto err = m->unlock(); 22*71db0c75SAndroid Build Coastguard Worker return err == MutexError::NONE ? thrd_success : thrd_error; 23*71db0c75SAndroid Build Coastguard Worker } 24*71db0c75SAndroid Build Coastguard Worker 25*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL 26