bionic/tests/libs/dlopen_check_order_reloc_nephew_answer.cpp
Dmitriy Ivanov a2547055f2 Fix jump to unmapped memory on atexit
Split d-tor calls and soinfo_free to 2 separate steps

Bug: 18338888
Change-Id: Idbcb7242ade16fa18cba7fe30505ebd8d6023622
2014-11-18 13:16:27 -08:00

38 lines
1.1 KiB
C++

/*
* Copyright (C) 2014 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.
*/
extern "C" int check_order_reloc_get_answer_impl();
extern "C" int check_order_reloc_nephew_get_answer() {
return check_order_reloc_get_answer_impl();
}
namespace {
// The d-tor for this class is called on dlclose() -> __on_dlclose() -> __cxa_finalize()
// We use it to detect calls to prematurely unmapped libraries during dlclose.
// See also b/18338888
class CallNephewInDtor {
public:
~CallNephewInDtor() {
check_order_reloc_get_answer_impl();
}
} instance;
};
extern "C" void* get_instance() {
return &instance;
}