1 /*
2 * Copyright (C) 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <unistd.h>
18
19 #include "native_bridge_support/vdso/vdso.h"
20
21 extern void __cxa_finalize(void* dso_handle);
22
exit(int status)23 void exit(int status) {
24 // We don't need to call __cxa_thread_finalize because host "exit" would do that for us.
25 // __cxa_thread_finalize();
26 // That's slight deviation from standard behavior: there we first call __cxa_thread_finalize()
27 // for all objects and __cxa_finalize() for all objects and here we would first do
28 // __cxa_finalize() for guest objects, then __cxa_thread_finalize() (and after that we would do
29 // __cxa_finalize() for host objects, of course).
30 // TODO(b/65052237): Fix that with bionic refactoring?
31 __cxa_finalize(NULL);
32 ((void (*)(int))(native_bridge_find_proxy_library_symbol("libc.so", "exit")))(status);
33 __builtin_unreachable();
34 }
35