libc/src/threads/call_once.h

   1 //===-- Implementation header for call_once function ------------*- C++ -*-===//
   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 #ifndef LLVM_LIBC_SRC_THREADS_CALL_ONCE_H
  10 #define LLVM_LIBC_SRC_THREADS_CALL_ONCE_H
  11
  12 #include "src/__support/macros/config.h"
  13 #include <threads.h>
  14
  15 namespace LIBC_NAMESPACE_DECL {
  16
  17 void call_once(once_flag *flag, __call_once_func_t func);
  18
  19 } // namespace LIBC_NAMESPACE_DECL
  20
  21 #endif // LLVM_LIBC_SRC_THREADS_CALL_ONCE_H