1 /*
2 * Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <stdio.h>
29 #include <signal.h>
30 #include <unistd.h>
31
32 int
main(void)33 main (void)
34 {
35 struct sigaction sa = {
36 .sa_handler = SIG_IGN
37 };
38 union sigval value = {
39 .sival_ptr = (void *) (unsigned long) 0xdeadbeefbadc0ded
40 };
41 pid_t pid = getpid();
42
43 if (sigaction(SIGUSR1, &sa, NULL) == -1)
44 return 77;
45 if (sigqueue(pid, SIGUSR1, value) == -1)
46 return 77;
47 printf("rt_sigqueueinfo(%u, SIGUSR1, {si_signo=SIGUSR1, "
48 "si_code=SI_QUEUE, si_pid=%u, si_uid=%u, "
49 "si_value={int=%d, ptr=%p}}) = 0\n",
50 pid, pid, getuid(), value.sival_int, value.sival_ptr);
51 printf("+++ exited with 0 +++\n");
52
53 return 0;
54 }
55