| 1 | //===-- Linux implementation of the call_once function --------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "src/threads/call_once.h" |
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| 10 | #include "src/__support/common.h" |
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| 11 | #include "src/__support/macros/config.h" |
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| 12 | #include "src/__support/threads/callonce.h" |
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| 13 | |
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| 14 | #include <threads.h> // For once_flag and __call_once_func_t definitions. |
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| 15 | |
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| 16 | namespace LIBC_NAMESPACE_DECL { |
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| 17 | |
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| 18 | LLVM_LIBC_FUNCTION(void, call_once, |
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| 19 | (once_flag * flag, __call_once_func_t func)) { |
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| 20 | callonce(reinterpret_cast<CallOnceFlag *>(flag), |
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| 21 | reinterpret_cast<CallOnceCallback *>(func)); |
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| 22 | } |
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| 23 | |
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| 24 | } // namespace LIBC_NAMESPACE_DECL |
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| 25 | |
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