glibc/stdlib/tst-thread-quick_exit.cc

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/* Bug 20198: Do not call object destructors at exit.
Copyright (C) 2016-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
struct A
{
~A () { abort (); }
};
thread_local A a1;
thread_local A a2;
void
__attribute__ ((noinline, noclone))
optimization_barrier (A &)
{
}
/* Call std::quick_exit from a non-main thread. */
void *
non_main_thread (void *)
{
optimization_barrier (a1);
/* The C++11 standard in 18.5.12 says:
"Objects shall not be destroyed as a result of calling
quick_exit."
If quick_exit calls the destructors the test aborts. */
quick_exit (0);
}
static int
do_test()
{
optimization_barrier (a2);
pthread_t thr;
int ret = pthread_create (&thr, NULL, non_main_thread, NULL);
if (ret != 0)
{
errno = ret;
printf ("error: pthread_create: %m\n");
}
pthread_join (thr, NULL);
return 1;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"