int check(char *kmod_name){ int ret = 0, err; struct kmod_ctx *ctx; struct kmod_module *mod; struct kmod_list *list, *itr; const char *null_config = NULL; printf("Checking if %s is loaded...\n", kmod_name); ctx = kmod_new(NULL, &null_config); if(ctx == NULL){ ret = -1; printf("Unexpected error...\n"); }else{ err = kmod_module_new_from_loaded(ctx, &list); if(err < 0){ ret = -1; printf("Error: %s\n", strerror(-err)); }else{ ret = 0; kmod_list_foreach(itr, list){ mod = kmod_module_get_module(itr); if(strcmp(kmod_module_get_name(mod), kmod_name) == 0){ ret = 1; } kmod_module_unref(mod); } kmod_module_unref_list(list); } }
static int do_lsmod(int argc, char *argv[]) { struct kmod_ctx *ctx; const char *null_config = NULL; struct kmod_list *list, *itr; int err; if (argc != 1) { fprintf(stderr, "Usage: %s\n", argv[0]); return EXIT_FAILURE; } ctx = kmod_new(NULL, &null_config); if (ctx == NULL) { fputs("Error: kmod_new() failed!\n", stderr); return EXIT_FAILURE; } err = kmod_module_new_from_loaded(ctx, &list); if (err < 0) { fprintf(stderr, "Error: could not get list of modules: %s\n", strerror(-err)); kmod_unref(ctx); return EXIT_FAILURE; } puts("Module Size Used by"); kmod_list_foreach(itr, list) { struct kmod_module *mod = kmod_module_get_module(itr); const char *name = kmod_module_get_name(mod); int use_count = kmod_module_get_refcnt(mod); long size = kmod_module_get_size(mod); struct kmod_list *holders, *hitr; int first = 1; printf("%-19s %8ld %d ", name, size, use_count); holders = kmod_module_get_holders(mod); kmod_list_foreach(hitr, holders) { struct kmod_module *hm = kmod_module_get_module(hitr); if (!first) putchar(','); else first = 0; fputs(kmod_module_get_name(hm), stdout); kmod_module_unref(hm); } putchar('\n'); kmod_module_unref_list(holders); kmod_module_unref(mod); } kmod_module_unref_list(list); kmod_unref(ctx); return EXIT_SUCCESS; }
static int loaded_1(const struct test *t) { struct kmod_ctx *ctx; const char *null_config = NULL; struct kmod_list *list, *itr; int err; ctx = kmod_new(NULL, &null_config); if (ctx == NULL) exit(EXIT_FAILURE); err = kmod_module_new_from_loaded(ctx, &list); if (err < 0) { fprintf(stderr, "%s\n", strerror(-err)); kmod_unref(ctx); exit(EXIT_FAILURE); } printf("Module Size Used by\n"); kmod_list_foreach(itr, list) { struct kmod_module *mod = kmod_module_get_module(itr); const char *name = kmod_module_get_name(mod); int use_count = kmod_module_get_refcnt(mod); long size = kmod_module_get_size(mod); struct kmod_list *holders, *hitr; int first = 1; printf("%-19s %8ld %d ", name, size, use_count); holders = kmod_module_get_holders(mod); kmod_list_foreach(hitr, holders) { struct kmod_module *hm = kmod_module_get_module(hitr); if (!first) putchar(','); else first = 0; fputs(kmod_module_get_name(hm), stdout); kmod_module_unref(hm); } putchar('\n'); kmod_module_unref_list(holders); kmod_module_unref(mod); } kmod_module_unref_list(list); kmod_unref(ctx); return EXIT_SUCCESS; }