120 run_script(dhcp_smach_t *dsmp, const char *event, int fd)  in run_script()  argument
145 		(void) execl(path, name, dsmp->dsm_name, event, NULL);  in run_script()
196 script_init(dhcp_smach_t *dsmp)  in script_init()  argument
198 	dsmp->dsm_script_pid = -1;  in script_init()
199 	dsmp->dsm_script_helper_pid = -1;  in script_init()
200 	dsmp->dsm_script_event_id = -1;  in script_init()
201 	dsmp->dsm_script_fd = -1;  in script_init()
202 	dsmp->dsm_script_callback = NULL;  in script_init()
203 	dsmp->dsm_script_event = NULL;  in script_init()
204 	dsmp->dsm_callback_arg = NULL;  in script_init()
215 script_cleanup(dhcp_smach_t *dsmp)  in script_cleanup()  argument
221 	dsmp->dsm_script_pid = -1;  in script_cleanup()
222 	dsmp->dsm_script_helper_pid = -1;  in script_cleanup()
224 	if (dsmp->dsm_script_fd != -1) {  in script_cleanup()
225 		assert(dsmp->dsm_script_event_id != -1);  in script_cleanup()
226 		(void) iu_unregister_event(eh, dsmp->dsm_script_event_id, NULL);  in script_cleanup()
227 		(void) close(dsmp->dsm_script_fd);  in script_cleanup()
229 		assert(dsmp->dsm_script_callback != NULL);  in script_cleanup()
230 		dsmp->dsm_script_callback(dsmp, dsmp->dsm_callback_arg);  in script_cleanup()
231 		script_init(dsmp);  in script_cleanup()
233 		release_smach(dsmp);	/* hold from script_start() */  in script_cleanup()
282 script_start(dhcp_smach_t *dsmp, const char *event,  in script_start()  argument
292 	if (dsmp->dsm_script_pid != -1) {  in script_start()
295 		script_stop(dsmp);  in script_start()
328 		run_script(dsmp, event, fds[1]);  in script_start()
335 	if (read(fds[0], &dsmp->dsm_script_pid, sizeof (pid_t)) !=  in script_start()
338 		dsmp->dsm_script_pid = -1;  in script_start()
343 	dsmp->dsm_script_helper_pid = pid;  in script_start()
344 	event_id = iu_register_event(eh, fds[0], POLLIN, script_exit, dsmp);  in script_start()
347 		script_stop(dsmp);  in script_start()
352 	dsmp->dsm_script_event_id = event_id;  in script_start()
353 	dsmp->dsm_script_callback = callback;  in script_start()
354 	dsmp->dsm_script_event = event;  in script_start()
355 	dsmp->dsm_callback_arg = arg;  in script_start()
356 	dsmp->dsm_script_fd = fds[0];  in script_start()
357 	hold_smach(dsmp);  in script_start()
362 	n = callback(dsmp, arg);  in script_start()
377 script_stop(dhcp_smach_t *dsmp)  in script_stop()  argument
379 	if (dsmp->dsm_script_pid != -1) {  in script_stop()
380 		assert(dsmp->dsm_script_helper_pid != -1);  in script_stop()
387 		(void) kill(dsmp->dsm_script_pid, SIGTERM);  in script_stop()
388 		(void) kill(dsmp->dsm_script_helper_pid, SIGTERM);  in script_stop()
391 	script_cleanup(dsmp);  in script_stop()