/*
* Copyright ( C ) 2012 The Android Open Source Project
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* * Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* * Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in
* the documentation and / or other materials provided with the
* distribution .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* " AS IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
* LIMITED TO , THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED . IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT ,
* INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING ,
* BUT NOT LIMITED TO , PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS
* OF USE , DATA , OR PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY ,
* OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE .
*/
#include <sys/types.h>
#include <stdio.h>
#include <async_safe/log.h>
/*
* This source file should only be included by libc . so , its purpose is
* to support legacy ARM binaries by exporting a publicly visible
* implementation of atexit ( ) .
*/
extern int __cxa_atexit(void (*func)(void *), void *arg, void *dso);
/*
* Register a function to be performed at exit .
*/
int
atexit(void (*func)(void ))
{
/*
* Exit functions queued by this version of atexit will not be called
* on dlclose ( ) , and when they are called ( at program exit ) , the
* calling library may have been dlclose ( ) ' d , causing the program to
* crash .
*/
static char const warning[] = "WARNING: generic atexit() called from legacy shared library\n" ;
async_safe_format_log(ANDROID_LOG_WARN, "libc" , warning);
fprintf(stderr, warning);
return (__cxa_atexit((void (*)(void *))func, NULL, NULL));
}
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