1 /*
2 * Copyright (C) 2012-2013 ProFUSION embedded systems
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include <errno.h>
19 #include <inttypes.h>
20 #include <stddef.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <unistd.h>
25
26 #include <libkmod/libkmod.h>
27
28 #include "testsuite.h"
29
loaded_1(const struct test * t)30 static int loaded_1(const struct test *t)
31 {
32 struct kmod_ctx *ctx;
33 const char *null_config = NULL;
34 struct kmod_list *list, *itr;
35 int err;
36
37 ctx = kmod_new(NULL, &null_config);
38 if (ctx == NULL)
39 exit(EXIT_FAILURE);
40
41 err = kmod_module_new_from_loaded(ctx, &list);
42 if (err < 0) {
43 fprintf(stderr, "%s\n", strerror(-err));
44 kmod_unref(ctx);
45 exit(EXIT_FAILURE);
46 }
47
48 printf("Module Size Used by\n");
49
50 kmod_list_foreach(itr, list) {
51 struct kmod_module *mod = kmod_module_get_module(itr);
52 const char *name = kmod_module_get_name(mod);
53 int use_count = kmod_module_get_refcnt(mod);
54 long size = kmod_module_get_size(mod);
55 struct kmod_list *holders, *hitr;
56 int first = 1;
57
58 printf("%-19s %8ld %d ", name, size, use_count);
59 holders = kmod_module_get_holders(mod);
60 kmod_list_foreach(hitr, holders) {
61 struct kmod_module *hm = kmod_module_get_module(hitr);
62
63 if (!first)
64 putchar(',');
65 else
66 first = 0;
67
68 fputs(kmod_module_get_name(hm), stdout);
69 kmod_module_unref(hm);
70 }
71 putchar('\n');
72 kmod_module_unref_list(holders);
73 kmod_module_unref(mod);
74 }
75 kmod_module_unref_list(list);
76
77 kmod_unref(ctx);
78
79 return EXIT_SUCCESS;
80 }
81 DEFINE_TEST(loaded_1,
82 .description = "check if list of module is created",
83 .config = {
84 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-loaded/",
85 },
86 .need_spawn = true,
87 .output = {
88 .out = TESTSUITE_ROOTFS "test-loaded/correct.txt",
89 });
90
91 TESTSUITE_MAIN();
92