xref: /freebsd/tests/sys/ses/common.h (revision 9768746ba83efa02837c5b9c66348db6e900208f)
1 /*-
2  * Copyright (C) 2021 Axcient, Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 typedef bool(*ses_cb)(const char *devname, int fd);
29 
30 // Run a test function on every available ses device
31 static void
32 for_each_ses_dev(ses_cb cb, int oflags)
33 {
34 	glob_t g;
35 	int r;
36 	unsigned i;
37 
38 	g.gl_pathc = 0;
39 	g.gl_pathv = NULL;
40 	g.gl_offs = 0;
41 
42 	r = glob("/dev/ses*", GLOB_NOCHECK | GLOB_NOSORT, NULL, &g);
43 	ATF_REQUIRE_EQ(r, 0);
44 	if (g.gl_matchc == 0)
45 		return;
46 
47 	for(i = 0; i < g.gl_matchc; i++) {
48 		int fd;
49 
50 		fd = open(g.gl_pathv[i], oflags);
51 		ATF_REQUIRE(fd >= 0);
52 		cb(g.gl_pathv[i], fd);
53 		close(fd);
54 	}
55 
56 	globfree(&g);
57 }
58 
59 static bool
60 has_ses(void)
61 {
62 	glob_t g;
63 	int r;
64 
65 	r = glob("/dev/ses*", GLOB_NOCHECK | GLOB_NOSORT, NULL, &g);
66 	ATF_REQUIRE_EQ(r, 0);
67 
68 	return (g.gl_matchc != 0);
69 }
70