libc/src/pthread/pthread_atfork.cpp

   1 //===-- Linux implementation of the pthread_atfork function ---------------===//
   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 #include "pthread_atfork.h"
  10
  11 #include "src/__support/common.h"
  12 #include "src/__support/threads/fork_callbacks.h"
  13
  14 #include <errno.h>
  15 #include <pthread.h> // For pthread_* type definitions.
  16
  17 namespace __llvm_libc {
  18
  19 LLVM_LIBC_FUNCTION(int, pthread_atfork,
  20                    (__atfork_callback_t prepare, __atfork_callback_t parent,
  21                     __atfork_callback_t child)) {
  22   return register_atfork_callbacks(prepare, parent, child) ? 0 : ENOMEM;
  23 }
  24
  25 } // namespace __llvm_libc