1*71db0c75SAndroid Build Coastguard Worker //===-- Linux implementation of the mtx_init 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_init.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 static_assert(sizeof(Mutex) <= sizeof(mtx_t), 19*71db0c75SAndroid Build Coastguard Worker "The public mtx_t type cannot accommodate the internal mutex " 20*71db0c75SAndroid Build Coastguard Worker "type."); 21*71db0c75SAndroid Build Coastguard Worker 22*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(int, mtx_init, (mtx_t * m, int type)) { 23*71db0c75SAndroid Build Coastguard Worker auto err = Mutex::init(reinterpret_cast<Mutex *>(m), type & mtx_timed, 24*71db0c75SAndroid Build Coastguard Worker type & mtx_recursive, /* is_robust */ false, 25*71db0c75SAndroid Build Coastguard Worker /* is_pshared */ false); 26*71db0c75SAndroid Build Coastguard Worker return err == MutexError::NONE ? thrd_success : thrd_error; 27*71db0c75SAndroid Build Coastguard Worker } 28*71db0c75SAndroid Build Coastguard Worker 29*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL 30