1 /*
2 * Copyright (c) 2015-2016 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 <asm/unistd.h>
30 #include "scno.h"
31
32 #ifdef __NR_membarrier
33
34 # include <assert.h>
35 # include <errno.h>
36 # include <stdio.h>
37 # include <unistd.h>
38
39 int
main(void)40 main(void)
41 {
42 assert(syscall(__NR_membarrier, 3, 255) == -1);
43 int saved_errno = errno;
44 printf("membarrier(0x3 /* MEMBARRIER_CMD_??? */, 255) = %s\n",
45 sprintrc(-1));
46 if (saved_errno != ENOSYS) {
47 /* the test needs to be updated? */
48 assert(syscall(__NR_membarrier, 0, 0) == 1);
49 puts("membarrier(MEMBARRIER_CMD_QUERY, 0)"
50 " = 0x1 (MEMBARRIER_CMD_SHARED)");
51 }
52 puts("+++ exited with 0 +++");
53 return 0;
54 }
55
56 #else
57
58 SKIP_MAIN_UNDEFINED("__NR_membarrier")
59
60 #endif
61