1 /*
2 * Check decoding of kill syscall.
3 *
4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * Copyright (c) 2016 Fei Jie <feij.fnst@cn.fujitsu.com>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "tests.h"
32 #include <asm/unistd.h>
33
34 #ifdef __NR_kill
35
36 # include <signal.h>
37 # include <stdio.h>
38 # include <unistd.h>
39
40 static void
handler(int sig)41 handler(int sig)
42 {
43 }
44
45 int
main(void)46 main(void)
47 {
48 const struct sigaction act = { .sa_handler = handler };
49 if (sigaction(SIGALRM, &act, NULL))
50 perror_msg_and_fail("sigaction");
51
52 sigset_t mask;
53 sigemptyset(&mask);
54 sigaddset(&mask, SIGALRM);
55 if (sigprocmask(SIG_UNBLOCK, &mask, NULL))
56 perror_msg_and_fail("sigprocmask");
57
58 const int pid = getpid();
59 long rc = syscall(__NR_kill, pid, (long) 0xdefaced00000000ULL | SIGALRM);
60 printf("kill(%d, SIGALRM) = %ld\n", pid, rc);
61
62 const long big_pid = (long) 0xfacefeedbadc0dedULL;
63 const long big_sig = (long) 0xdeadbeefcafef00dULL;
64 rc = syscall(__NR_kill, big_pid, big_sig);
65 printf("kill(%d, %d) = %ld %s (%m)\n",
66 (int) big_pid, (int) big_sig, rc, errno2name());
67
68 rc = syscall(__NR_kill, (long) 0xdefaced00000000ULL | pid, 0);
69 printf("kill(%d, SIG_0) = %ld\n", pid, rc);
70
71 puts("+++ exited with 0 +++");
72 return 0;
73 }
74
75 #else
76
77 SKIP_MAIN_UNDEFINED("__NR_kill")
78
79 #endif
80