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1 /*
2  * This file is part of timer_create strace test.
3  *
4  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include "tests.h"
31 #include <asm/unistd.h>
32 
33 #ifdef __NR_timer_create
34 
35 # include <stdio.h>
36 # include <signal.h>
37 # include <time.h>
38 # include <unistd.h>
39 # include "sigevent.h"
40 
41 int
main(void)42 main(void)
43 {
44 	syscall(__NR_timer_create, CLOCK_REALTIME, NULL, NULL);
45 	printf("timer_create(CLOCK_REALTIME, NULL, NULL) = -1 %s (%m)\n",
46 	       errno2name());
47 
48 	int tid[4] = {};
49 	struct_sigevent sev = {
50 		.sigev_notify = 0xdefaced,
51 		.sigev_signo = 0xfacefeed,
52 		.sigev_value.sival_ptr = (unsigned long) 0xdeadbeefbadc0dedULL
53 	};
54 
55 	syscall(__NR_timer_create, CLOCK_REALTIME, &sev, NULL);
56 	printf("timer_create(CLOCK_REALTIME, {sigev_value={sival_int=%d, "
57 	       "sival_ptr=%#lx}, sigev_signo=%u, "
58 	       "sigev_notify=%#x /* SIGEV_??? */}, NULL) = -1 %s (%m)\n",
59 	       sev.sigev_value.sival_int,
60 	       sev.sigev_value.sival_ptr,
61 	       sev.sigev_signo, sev.sigev_notify,
62 	       errno2name());
63 
64 	sev.sigev_notify = SIGEV_NONE;
65 	if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[0]))
66 		perror_msg_and_skip("timer_create CLOCK_REALTIME");
67 	printf("timer_create(CLOCK_REALTIME, {sigev_value={sival_int=%d, "
68 	       "sival_ptr=%#lx}, sigev_signo=%u, sigev_notify=SIGEV_NONE}, "
69 	       "[%d]) = 0\n",
70 	       sev.sigev_value.sival_int,
71 	       sev.sigev_value.sival_ptr,
72 	       sev.sigev_signo, tid[0]);
73 
74 	sev.sigev_notify = SIGEV_SIGNAL;
75 	sev.sigev_signo = SIGALRM;
76 	if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[1]))
77 		perror_msg_and_skip("timer_create CLOCK_MONOTONIC");
78 	printf("timer_create(CLOCK_MONOTONIC, {sigev_value={sival_int=%d, "
79 	       "sival_ptr=%#lx}, sigev_signo=SIGALRM, "
80 	       "sigev_notify=SIGEV_SIGNAL}, [%d]) = 0\n",
81 	       sev.sigev_value.sival_int,
82 	       sev.sigev_value.sival_ptr, tid[1]);
83 
84 	sev.sigev_notify = SIGEV_THREAD;
85 	sev.sigev_un.sigev_thread.function =
86 		(unsigned long) 0xdeadbeefbadc0dedULL;
87 	sev.sigev_un.sigev_thread.attribute =
88 		(unsigned long) 0xcafef00dfacefeedULL;
89 	if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[2]))
90 		perror_msg_and_skip("timer_create CLOCK_REALTIME");
91 	printf("timer_create(CLOCK_REALTIME, {sigev_value={sival_int=%d, "
92 	       "sival_ptr=%#lx}, sigev_signo=SIGALRM, sigev_notify=SIGEV_THREAD"
93 	       ", sigev_notify_function=%#lx, sigev_notify_attributes=%#lx}"
94 	       ", [%d]) = 0\n",
95 	       sev.sigev_value.sival_int,
96 	       sev.sigev_value.sival_ptr,
97 	       sev.sigev_un.sigev_thread.function,
98 	       sev.sigev_un.sigev_thread.attribute,
99 	       tid[2]);
100 
101 #ifndef SIGEV_THREAD_ID
102 # define SIGEV_THREAD_ID 4
103 #endif
104 	sev.sigev_notify = SIGEV_THREAD_ID;
105 	sev.sigev_un.tid = getpid();
106 	if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[3]))
107 		perror_msg_and_skip("timer_create CLOCK_MONOTONIC");
108 	printf("timer_create(CLOCK_MONOTONIC, {sigev_value={sival_int=%d, "
109 	       "sival_ptr=%#lx}, sigev_signo=SIGALRM, "
110 	       "sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=%d}"
111 	       ", [%d]) = 0\n",
112 	       sev.sigev_value.sival_int,
113 	       sev.sigev_value.sival_ptr,
114 	       sev.sigev_un.tid,
115 	       tid[3]);
116 
117 	puts("+++ exited with 0 +++");
118 	return 0;
119 }
120 
121 #else
122 
123 SKIP_MAIN_UNDEFINED("__NR_timer_create")
124 
125 #endif
126