| /* |
| * 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 <private/libc_logging.h> |
| #include <stdio.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"; |
| |
| __libc_format_log(ANDROID_LOG_WARN, "libc", warning); |
| fprintf(stderr, warning); |
| |
| return (__cxa_atexit((void (*)(void *))func, NULL, NULL)); |
| } |