1 /*
2  * This file is part of clock_adjtime strace test.
3  *
4  * Copyright (c) 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_clock_adjtime
34 
35 # include <stdio.h>
36 # include <time.h>
37 # include <unistd.h>
38 
39 int
40 main(void)
41 {
42 	long rc = syscall(__NR_clock_adjtime, CLOCK_MONOTONIC, NULL);
43 	printf("clock_adjtime(CLOCK_MONOTONIC, NULL) = %ld %s (%m)\n",
44 	       rc, errno2name());
45 
46 	void *efault = tail_alloc(1);
47 
48 	rc = syscall(__NR_clock_adjtime, CLOCK_REALTIME, efault);
49 	printf("clock_adjtime(CLOCK_REALTIME, %p) = %ld %s (%m)\n",
50 	       efault, rc, errno2name());
51 
52 	puts("+++ exited with 0 +++");
53 	return 0;
54 }
55 
56 #else
57 
58 SKIP_MAIN_UNDEFINED("__NR_clock_adjtime")
59 
60 #endif
61