platform_bionic/tests/libs/atexit_testlib.cpp
Dmitriy Ivanov 4571f31bd4 Add atexit test for attributed c-tor/d-tor
1. Add test for __attribute__((constructor/destructor))
    and static constructor

 2. Compile C++ testlibs with -std=gnu++11

Change-Id: I67f9308144a0c638a51f111fcba8e1933fe0ba41
2014-08-15 14:22:07 -07:00

102 lines
2.6 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string>
// use external control number from main test
static std::string* atexit_sequence = nullptr;
static bool* atexit_valid_this_in_static_dtor = nullptr;
static bool* atexit_attr_dtor_called = nullptr;
static int cxx_ctor_called = 0;
static int attr_ctor_called = 0;
static class AtExitStaticClass {
public:
AtExitStaticClass() {
expected_this = this;
cxx_ctor_called = 1;
}
~AtExitStaticClass() {
if (atexit_valid_this_in_static_dtor) {
*atexit_valid_this_in_static_dtor = (expected_this == this);
}
}
private:
static const AtExitStaticClass* expected_this;
} static_obj;
const AtExitStaticClass* AtExitStaticClass::expected_this = nullptr;
// 4
static void atexit_handler_from_atexit_from_atexit2() {
*atexit_sequence += " on";
}
// 3
static void atexit_handler_from_atexit_from_atexit1() {
*atexit_sequence += " sat";
}
// 2
static void atexit_handler_from_atexit() {
*atexit_sequence += " Dumpty";
// register 2 others
atexit(atexit_handler_from_atexit_from_atexit2);
atexit(atexit_handler_from_atexit_from_atexit1);
}
// 1
static void atexit_handler_with_atexit() {
*atexit_sequence += "Humpty";
atexit(atexit_handler_from_atexit);
}
// last
static void atexit_handler_regular() {
*atexit_sequence += " a wall";
}
// attribute c-tor and d-tor
static void __attribute__((constructor)) atexit_attr_ctor() {
attr_ctor_called = 1;
}
static void __attribute__((destructor)) atexit_attr_dtor() {
if (atexit_attr_dtor_called) {
*atexit_attr_dtor_called = true;
}
}
extern "C" void register_atexit(std::string* sequence, bool* valid_this_in_static_dtor, bool* attr_dtor_called) {
atexit_sequence = sequence;
atexit_valid_this_in_static_dtor = valid_this_in_static_dtor;
atexit_attr_dtor_called = attr_dtor_called;
atexit(atexit_handler_regular);
atexit(atexit_handler_with_atexit);
}
extern "C" int get_cxx_ctor_called() {
return cxx_ctor_called;
}
extern "C" int get_attr_ctor_called() {
return attr_ctor_called;
}