80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*
|
|
* Check decoding of pause syscall.
|
|
*
|
|
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
|
|
* Copyright (c) 2016 Fei Jie <feij.fnst@cn.fujitsu.com>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "tests.h"
|
|
#include <asm/unistd.h>
|
|
|
|
#ifdef __NR_pause
|
|
|
|
# include <errno.h>
|
|
# include <signal.h>
|
|
# include <stdio.h>
|
|
# include <sys/time.h>
|
|
# include <unistd.h>
|
|
|
|
static void
|
|
handler(int sig)
|
|
{
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
const struct sigaction act = { .sa_handler = handler };
|
|
if (sigaction(SIGALRM, &act, NULL))
|
|
perror_msg_and_fail("sigaction");
|
|
|
|
sigset_t mask;
|
|
sigemptyset(&mask);
|
|
sigaddset(&mask, SIGALRM);
|
|
if (sigprocmask(SIG_UNBLOCK, &mask, NULL))
|
|
perror_msg_and_fail("sigprocmask");
|
|
|
|
const struct itimerval itv = { .it_value.tv_usec = 123456 };
|
|
if (setitimer(ITIMER_REAL, &itv, NULL))
|
|
perror_msg_and_fail("setitimer");
|
|
|
|
syscall(__NR_pause);
|
|
if (errno == ENOSYS)
|
|
printf("pause() = -1 ENOSYS (%m)\n");
|
|
else
|
|
printf("pause() = ? ERESTARTNOHAND"
|
|
" (To be restarted if no handler)\n");
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
SKIP_MAIN_UNDEFINED("__NR_pause")
|
|
|
|
#endif
|