1 /*
2 * Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
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 "tests.h"
29 #include <signal.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32
33 #ifdef ASM_SIGRTMIN
34 # define RT_0 ASM_SIGRTMIN
35 #else
36 /* Linux kernel >= 3.18 defines SIGRTMIN to 32 on all architectures. */
37 # define RT_0 32
38 #endif
39
40 static void
handler(int no,siginfo_t * si,void * uc)41 handler(int no, siginfo_t *si, void *uc)
42 {
43 }
44
45 int
main(void)46 main(void)
47 {
48 static sigset_t set;
49 sigemptyset(&set);
50 sigaddset(&set, SIGINT);
51 sigaddset(&set, SIGUSR2);
52 sigaddset(&set, SIGCHLD);
53 sigaddset(&set, RT_0 + 3);
54 sigaddset(&set, RT_0 + 4);
55 sigaddset(&set, RT_0 + 5);
56 sigaddset(&set, RT_0 + 26);
57 sigaddset(&set, RT_0 + 27);
58 if (sigprocmask(SIG_SETMASK, &set, NULL))
59 perror_msg_and_fail("sigprocmask");
60 sigemptyset(&set);
61
62 static const struct sigaction sa = {
63 .sa_sigaction = handler,
64 .sa_flags = SA_SIGINFO
65 };
66 if (sigaction(SIGUSR1, &sa, NULL))
67 perror_msg_and_fail("sigaction");
68
69 if (raise(SIGUSR1))
70 perror_msg_and_fail("raise");
71
72 static const char *const sigs =
73 (SIGUSR2 < SIGCHLD) ? "INT USR2 CHLD" : "INT CHLD USR2";
74 static const char *const rt_sigs = "RT_3 RT_4 RT_5 RT_26 RT_27";
75 printf("rt_sigreturn({mask=[%s %s]}) = 0\n", sigs, rt_sigs);
76
77 puts("+++ exited with 0 +++");
78 return 0;
79 }
80