sys/kern/kern_module.c

61 #define MOD_EVENT(mod, type)	(mod)->handler((mod), (type), (mod)->arg)
69 modevent_nop(module_t mod, int what, void *arg)
97 	module_t mod;
103 	TAILQ_FOREACH_REVERSE(mod, &modules, modulelist, link)
104 		MOD_EVENT(mod, MOD_SHUTDOWN);
114 	module_t mod;
118 	mod = module_lookupbyname(data->name);
119 	if (mod == NULL)
123 	error = MOD_EVENT(mod, MOD_LOAD);
125 		MOD_EVENT(mod, MOD_UNLOAD);
127 		module_release(mod);
134 		if (mod->file) {
143 			TAILQ_REMOVE(&mod->file->modules, mod, flink);
144 			TAILQ_INSERT_HEAD(&mod->file->modules, mod, flink);
184 module_reference(module_t mod)
189 	MOD_DPF(REFS, ("module_reference: before, refs=%d\n", mod->refs));
190 	mod->refs++;
194 module_release(module_t mod)
199 	if (mod->refs <= 0)
202 	MOD_DPF(REFS, ("module_release: before, refs=%d\n", mod->refs));
204 	mod->refs--;
205 	if (mod->refs == 0) {
206 		TAILQ_REMOVE(&modules, mod, link);
207 		if (mod->file)
208 			TAILQ_REMOVE(&mod->file->modules, mod, flink);
209 		free(mod, M_MODULE);
216 	module_t mod;
221 	TAILQ_FOREACH(mod, &modules, link) {
222 		err = strcmp(mod->name, name);
224 			return (mod);
232         module_t mod;
236         TAILQ_FOREACH(mod, &modules, link)
237                 if (mod->id == modid)
238                         return(mod);
243 module_quiesce(module_t mod)
248 	error = MOD_EVENT(mod, MOD_QUIESCE);
256 module_unload(module_t mod)
261 	error = MOD_EVENT(mod, MOD_UNLOAD);
267 module_getid(module_t mod)
271 	return (mod->id);
275 module_getfnext(module_t mod)
279 	return (TAILQ_NEXT(mod, flink));
283 module_getname(module_t mod)
287 	return (mod->name);
291 module_setspecific(module_t mod, modspecific_t *datap)
295 	mod->data = *datap;
299 module_file(module_t mod)
302 	return (mod->file);
311 	module_t mod;
318 		mod = TAILQ_FIRST(&modules);
319 		if (mod)
320 			td->td_retval[0] = mod->id;
325 	mod = module_lookupbyid(uap->modid);
326 	if (mod == NULL) {
330 	if (TAILQ_NEXT(mod, link))
331 		td->td_retval[0] = TAILQ_NEXT(mod, link)->id;
342 	module_t mod;
348 	mod = module_lookupbyid(uap->modid);
349 	if (mod == NULL) {
353 		if (TAILQ_NEXT(mod, flink))
354 			td->td_retval[0] = TAILQ_NEXT(mod, flink)->id;
372 	module_t mod;
380 	mod = module_lookupbyid(uap->modid);
381 	if (mod == NULL) {
385 	id = mod->id;
386 	refs = mod->refs;
387 	name = mod->name;
388 	data = mod->data;
400 	namelen = strlen(mod->name) + 1;
427 	module_t mod;
433 	mod = module_lookupbyname(name);
434 	if (mod == NULL)
437 		td->td_retval[0] = module_getid(mod);
469 	module_t mod;
477 	mod = module_lookupbyid(uap->modid);
478 	if (mod == NULL) {
483 	id = mod->id;
484 	refs = mod->refs;
485 	name = mod->name;
486 	CP(mod->data, data32, intval);
487 	CP(mod->data, data32, uintval);
488 	CP(mod->data, data32, longval);
489 	CP(mod->data, data32, ulongval);
498 	namelen = strlen(mod->name) + 1;