osfmk/kern/ipc_tt.c

135 	if (kport == IP_NULL)
139 	if (nport == IP_NULL)
160 			task->exc_actions[i].port = IP_NULL;
167 		task->itk_bootstrap = IP_NULL;
168 		task->itk_seatbelt = IP_NULL;
169 		task->itk_gssd = IP_NULL;
170 		task->itk_task_access = IP_NULL;
173 			task->itk_registered[i] = IP_NULL;
176 		assert(parent->itk_self != IP_NULL);
232 	if (kport != IP_NULL)
235 	if (nport != IP_NULL)
257 	if (kport != IP_NULL)
260 	if (nport != IP_NULL)
285 	if (kport == IP_NULL) {
290 	task->itk_self = IP_NULL;
293 	assert(nport != IP_NULL);
294 	task->itk_nself = IP_NULL;
357 	if (new_kport == IP_NULL)
364 	if (old_kport == IP_NULL) {
380 			task->exc_actions[i].port = IP_NULL;
382 			old_exc_actions[i] = IP_NULL;
419 	if (kport == IP_NULL)
426 		thread->exc_actions[i].port = IP_NULL;
432 	thread->ith_rpc_reply = IP_NULL;
441 	if (kport != IP_NULL)
459 	if (kport != IP_NULL) {
465 		thread->ith_sself = thread->ith_self = IP_NULL;
477 	if (thread->ith_rpc_reply != IP_NULL)
480 	thread->ith_rpc_reply = IP_NULL;
505 	if (new_kport == IP_NULL)
512 	if (old_kport == IP_NULL) {
528 			thread->exc_actions[i].port = IP_NULL;
530 			old_exc_actions[i] = IP_NULL;
572 	assert(task->itk_self != IP_NULL);
611 	assert(thread->ith_self != IP_NULL);
778 	ipc_port_t		*whichp, old = IP_NULL;
836 	if (task->itk_self == IP_NULL) {
930 	if (task->itk_self == IP_NULL) {
998 		ports[i] = IP_NULL;
1001 	if (task->itk_self == IP_NULL) {
1072 	if (task->itk_self == IP_NULL) {
1371 	if (task->itk_self != IP_NULL)
1374 		port = IP_NULL;
1398 	if (task_name->itk_nself != IP_NULL)
1401 		port = IP_NULL;
1426 	if (thread->ith_self != IP_NULL)
1429 		port = IP_NULL;
1528 			old_port[i] = IP_NULL;
1576 	if (task->itk_self == IP_NULL) {
1592 			old_port[i] = IP_NULL;
1713 			old_port[i] = IP_NULL;
1768 	if (task->itk_self == IP_NULL) {
1808 			old_port[i] = IP_NULL;
1926 	if (task->itk_self == IP_NULL) {