mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* Test unwinding through main.
|
|
Copyright (C) 2018-2024 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <unwind.h>
|
|
#include <unistd.h>
|
|
#include <support/test-driver.h>
|
|
|
|
#if USE_PTHREADS
|
|
# include <pthread.h>
|
|
# include <error.h>
|
|
#endif
|
|
|
|
static _Unwind_Reason_Code
|
|
callback (struct _Unwind_Context *ctx, void *arg)
|
|
{
|
|
return _URC_NO_REASON;
|
|
}
|
|
|
|
static void *
|
|
func (void *a)
|
|
{
|
|
/* Arrange for this test to be killed if _Unwind_Backtrace runs into an
|
|
endless loop. We cannot use the test driver because the complete
|
|
call chain needs to be compiled with -funwind-tables so that
|
|
_Unwind_Backtrace is able to reach the start routine. */
|
|
alarm (DEFAULT_TIMEOUT);
|
|
_Unwind_Backtrace (callback, 0);
|
|
return a;
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
#if USE_PTHREADS
|
|
pthread_t thr;
|
|
int rc = pthread_create (&thr, NULL, &func, NULL);
|
|
if (rc)
|
|
error (1, rc, "pthread_create");
|
|
rc = pthread_join (thr, NULL);
|
|
if (rc)
|
|
error (1, rc, "pthread_join");
|
|
#else
|
|
func (NULL);
|
|
#endif
|
|
}
|