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 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
