/*
* 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>
static std::string class_with_dtor_output;
class ClassWithDtor {
public :
void set_message(const std::string& msg) {
message = msg;
}
~ClassWithDtor() {
class_with_dtor_output += message;
}
private :
std::string message;
};
static thread_local ClassWithDtor class_with_dtor;
static void * thread_nop(void * arg) {
class_with_dtor.set_message(*static_cast <std::string*>(arg));
return nullptr;
}
TEST(thread_local, smoke) {
std::string msg("dtor called." );
pthread_t t;
ASSERT_EQ(0 , pthread_create(&t, nullptr, thread_nop, &msg));
ASSERT_EQ(0 , pthread_join(t, nullptr));
ASSERT_EQ("dtor called." , class_with_dtor_output);
}
class ClassWithDtorForMainThread {
public :
void set_message(const std::string& msg) {
message = msg;
}
~ClassWithDtorForMainThread() {
fprintf(stderr, "%s" , message.c_str());
}
private :
std::string message;
};
static void thread_atexit_main() {
static thread_local ClassWithDtorForMainThread class_with_dtor_for_main_thread;
class_with_dtor_for_main_thread.set_message("d-tor for main thread called." );
exit (0 );
}
TEST(thread_local, dtor_for_main_thread) {
ASSERT_EXIT(thread_atexit_main(), testing::ExitedWithCode(0 ), "d-tor for main thread called." );
}
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);
}
Messung V0.5 in Prozent C=84 H=96 G=90
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-28)
¤
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