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