| //===-- Linux implementation of the pthread_once function -----------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "pthread_once.h" |
| #include "src/__support/common.h" |
| #include "src/__support/threads/callonce.h" |
| |
| #include <pthread.h> // For pthread_once_t and __pthread_once_func_t definitions. |
| |
| namespace __llvm_libc { |
| |
| LLVM_LIBC_FUNCTION(int, pthread_once, |
| (pthread_once_t * flag, __pthread_once_func_t func)) { |
| return callonce(reinterpret_cast<CallOnceFlag *>(flag), |
| reinterpret_cast<CallOnceCallback *>(func)); |
| } |
| |
| } // namespace __llvm_libc |
