glibc/nptl/tst-minstack-cancel.c

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/* Test cancellation with a minimal stack size.
Copyright (C) 2018-2019 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/>. */
/* Note: This test is similar to tst-minstack-exit, but is separate to
avoid spurious test passes due to warm-up effects. */
#include <limits.h>
#include <unistd.h>
#include <support/check.h>
#include <support/xthread.h>
static void *
threadfunc (void *closure)
{
while (1)
pause ();
return NULL;
}
static int
do_test (void)
{
pthread_attr_t attr;
xpthread_attr_init (&attr);
xpthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
pthread_t thr = xpthread_create (&attr, threadfunc, NULL);
xpthread_cancel (thr);
TEST_VERIFY (xpthread_join (thr) == PTHREAD_CANCELED);
xpthread_attr_destroy (&attr);
return 0;
}
#include <support/test-driver.c>