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 <threads.h>
  13
  14 namespace __llvm_libc {
  15
  16 void call_once(once_flag *flag, __call_once_func_t func);
  17
  18 } // namespace __llvm_libc
  19
  20 #endif // LLVM_LIBC_SRC_THREADS_CALL_ONCE_H