platform_bionic/tests/__cxa_thread_atexit_test.cpp
Dmitriy Ivanov df79c330d8 Initial implementation of __cxa_thread_atexit_impl
This is initial implementations; does not yet handle
  dlclose - undefined behavior, needs linker support to
  handle it right.

Bug: 19800080
Bug: 16696563
Change-Id: I7a3e21ed7f7ec01e62ea1b7cb2ab253590ea0686
2015-03-25 18:07:59 -07:00

74 lines
2.3 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 <gtest/gtest.h>
#include <stdint.h>
#include <string>
extern "C" int __cxa_thread_atexit_impl(void (*fn)(void*), void* arg, void* dso_handle);
static void thread_atexit_fn1(void* arg) {
std::string* call_sequence = static_cast<std::string*>(arg);
*call_sequence += "one, ";
}
static void thread_atexit_fn2(void* arg) {
std::string* call_sequence = static_cast<std::string*>(arg);
*call_sequence += "two, ";
}
static void thread_atexit_from_atexit(void* arg) {
std::string* call_sequence = static_cast<std::string*>(arg);
*call_sequence += "oops, ";
}
static void thread_atexit_fn3(void* arg) {
__cxa_thread_atexit_impl(thread_atexit_from_atexit, arg, nullptr);
std::string* call_sequence = static_cast<std::string*>(arg);
*call_sequence += "three, ";
}
static void thread_atexit_fn4(void* arg) {
std::string* call_sequence = static_cast<std::string*>(arg);
*call_sequence += "four, ";
}
static void thread_atexit_fn5(void* arg) {
std::string* call_sequence = static_cast<std::string*>(arg);
*call_sequence += "five.";
}
static void* thread_main(void* arg) {
__cxa_thread_atexit_impl(thread_atexit_fn5, arg, nullptr);
__cxa_thread_atexit_impl(thread_atexit_fn4, arg, nullptr);
__cxa_thread_atexit_impl(thread_atexit_fn3, arg, nullptr);
__cxa_thread_atexit_impl(thread_atexit_fn2, arg, nullptr);
__cxa_thread_atexit_impl(thread_atexit_fn1, arg, nullptr);
return nullptr;
}
TEST(__cxa_thread_atexit_impl, smoke) {
std::string atexit_call_sequence;
pthread_t t;
ASSERT_EQ(0, pthread_create(&t, nullptr, thread_main, &atexit_call_sequence));
ASSERT_EQ(0, pthread_join(t, nullptr));
ASSERT_EQ("one, two, three, oops, four, five.", atexit_call_sequence);
}