blob: 0755d68e448ac84a3487c67b8c1a7be6f92cb43d [file] [log] [blame]
/*
* Check decoding of kill 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 <sys/syscall.h>
#ifdef __NR_kill
# include <signal.h>
# include <stdio.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 int pid = getpid();
long rc = syscall(__NR_kill, pid, (long) 0xdefaced00000000 | SIGALRM);
printf("kill(%d, SIGALRM) = %ld\n", pid, rc);
const long big_pid = (long) 0xfacefeedbadc0ded;
const long big_sig = (long) 0xdeadbeefcafef00d;
rc = syscall(__NR_kill, big_pid, big_sig);
printf("kill(%d, %d) = %ld %s (%m)\n",
(int) big_pid, (int) big_sig, rc, errno2name());
rc = syscall(__NR_kill, (long) 0xdefaced00000000 | pid, 0);
printf("kill(%d, SIG_0) = %ld\n", pid, rc);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_kill")
#endif