xref: /aosp_15_r20/external/llvm-libc/src/pthread/pthread_atfork.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
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/macros/config.h"
13 #include "src/__support/threads/fork_callbacks.h"
14 #include "src/errno/libc_errno.h"
15 
16 #include <pthread.h> // For pthread_* type definitions.
17 
18 namespace LIBC_NAMESPACE_DECL {
19 
20 LLVM_LIBC_FUNCTION(int, pthread_atfork,
21                    (__atfork_callback_t prepare, __atfork_callback_t parent,
22                     __atfork_callback_t child)) {
23   return register_atfork_callbacks(prepare, parent, child) ? 0 : ENOMEM;
24 }
25 
26 } // namespace LIBC_NAMESPACE_DECL
27