1 //===-- Linux implementation of the mtx_init 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 "include/threads.h" // For mtx_t definition. 10 #include "src/__support/common.h" 11 #include "src/threads/linux/thread_utils.h" 12 13 namespace __llvm_libc { 14 LLVM_LIBC_ENTRYPOINT(mtx_init)15int LLVM_LIBC_ENTRYPOINT(mtx_init)(mtx_t *mutex, int type) { 16 *(reinterpret_cast<uint32_t *>(mutex->__internal_data)) = MS_Free; 17 mutex->__mtx_type = type; 18 return thrd_success; 19 } 20 21 } // namespace __llvm_libc 22