platform_bionic/libc/arch-common/bionic/pthread_atfork.h
Dan Albert 3e4d4d4cf2 Add _FORCE_CRT_ATFORK config for crtbegin.
libc.a is always the latest library regardless of target API level.

Test: treehugger
Bug: None
Change-Id: I844dc85a9283693b01d0fbdc26854bde82c750dc
2018-01-24 22:36:31 -08:00

36 lines
1.4 KiB
C

/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android/api-level.h>
// __register_atfork wasn't available until android-23. When using libc.a, we're
// using the latest library regardless of target API level.
#if defined(_FORCE_CRT_ATFORK) || __ANDROID_API__ >= __ANDROID_API_M__
extern void* __dso_handle;
extern int __register_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void), void* dso);
#ifndef _LIBC
// Libc used to export this in previous versions, therefore it needs
// to remain global for binary compatibility.
__attribute__ ((visibility ("hidden")))
#endif
int pthread_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void)) {
return __register_atfork(prepare, parent, child, &__dso_handle);
}
#endif /* __ANDROID_API__ >= __ANDROID_API_M__ */