1 /*
2 * Copyright (c) 2015 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 #ifdef HAVE_CONFIG_H
29 # include "config.h"
30 #endif
31
32 #include <stdio.h>
33 #include <signal.h>
34 #include <time.h>
35 #include <unistd.h>
36 #include <sys/syscall.h>
37
38 #ifdef __NR_timer_create
39
40 int
main(void)41 main(void)
42 {
43 int tid[4] = {};
44 struct sigevent sev = {
45 .sigev_notify = SIGEV_NONE,
46 .sigev_signo = 0xfacefeed,
47 .sigev_value.sival_ptr =
48 (void *) (unsigned long) 0xdeadbeefbadc0ded
49 };
50
51 if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[0]))
52 return 77;
53 printf("timer_create(CLOCK_REALTIME, {sigev_value={int=%d, ptr=%p}"
54 ", sigev_signo=%u, sigev_notify=SIGEV_NONE}"
55 ", [%d]) = 0\n",
56 sev.sigev_value.sival_int,
57 sev.sigev_value.sival_ptr,
58 sev.sigev_signo, tid[0]);
59
60 sev.sigev_notify = SIGEV_SIGNAL;
61 sev.sigev_signo = SIGALRM;
62 if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[1]))
63 return 77;
64 printf("timer_create(CLOCK_MONOTONIC, {sigev_value={int=%d, ptr=%p}"
65 ", sigev_signo=SIGALRM, sigev_notify=SIGEV_SIGNAL}"
66 ", [%d]) = 0\n",
67 sev.sigev_value.sival_int,
68 sev.sigev_value.sival_ptr, tid[1]);
69
70 sev.sigev_notify = SIGEV_THREAD;
71 sev.sigev_notify_function =
72 (void *) (unsigned long) 0xdeadbeefbadc0ded;
73 sev.sigev_notify_attributes =
74 (void *) (unsigned long) 0xcafef00dfacefeed;
75 if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[2]))
76 return 77;
77 printf("timer_create(CLOCK_REALTIME, {sigev_value={int=%d, ptr=%p}"
78 ", sigev_signo=SIGALRM, sigev_notify=SIGEV_THREAD"
79 ", sigev_notify_function=%p, sigev_notify_attributes=%p}"
80 ", [%d]) = 0\n",
81 sev.sigev_value.sival_int,
82 sev.sigev_value.sival_ptr,
83 sev.sigev_notify_function,
84 sev.sigev_notify_attributes,
85 tid[2]);
86
87 #ifndef sigev_notify_thread_id
88 # if defined HAVE_STRUCT_SIGEVENT__SIGEV_UN__PAD
89 # define sigev_notify_thread_id _sigev_un._pad[0]
90 # elif defined HAVE_STRUCT_SIGEVENT___PAD
91 # define sigev_notify_thread_id __pad[0]
92 # endif
93 #endif /* !sigev_notify_thread_id */
94
95 #ifdef sigev_notify_thread_id
96 # ifndef SIGEV_THREAD_ID
97 # define SIGEV_THREAD_ID 4
98 # endif
99 sev.sigev_notify = SIGEV_THREAD_ID;
100 sev.sigev_notify_thread_id = getpid();
101 if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[3]))
102 return 77;
103 printf("timer_create(CLOCK_MONOTONIC, {sigev_value={int=%d, ptr=%p}"
104 ", sigev_signo=SIGALRM, sigev_notify=SIGEV_THREAD_ID"
105 ", sigev_notify_thread_id=%d}"
106 ", [%d]) = 0\n",
107 sev.sigev_value.sival_int,
108 sev.sigev_value.sival_ptr,
109 sev.sigev_notify_thread_id,
110 tid[3]);
111 #endif /* sigev_notify_thread_id */
112
113 puts("+++ exited with 0 +++");
114 return 0;
115 }
116
117 #else
118
119 int
main(void)120 main(void)
121 {
122 return 77;
123 }
124
125 #endif
126