glibc/nptl/tst-cancel-self-cancelstate.c

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/* Copyright (C) 2012-2014 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 <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "tst-cancel-self-cleanup.c"
static int
do_test (void)
{
int ret = 0;
volatile int should_fail = 1;
pthread_cleanup_push (cleanup, &should_fail);
if ((ret = pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL)) != 0)
{
printf ("setcancelstate(disable) failed: %s\n", strerror (ret));
exit (1);
}
if ((ret = pthread_cancel (pthread_self ())) != 0)
{
printf ("cancel failed: %s\n", strerror (ret));
exit (1);
}
usleep (100);
should_fail = 0;
if ((ret = pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL)) != 0)
{
printf ("setcancelstate(enable) failed: %s\n", strerror (ret));
exit (1);
}
/* The write syscall within this printf should give us our cancellation
point. */
printf ("Could not cancel self.\n");
pthread_cleanup_pop (0);
return 1;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"