HelenOS sources

IPC_CALL_NOTIF    152 kernel/generic/src/ipc/event.c 				call->flags |= IPC_CALL_NOTIF;
IPC_CALL_NOTIF    796 kernel/generic/src/ipc/ipc.c 		assert(call->flags & (IPC_CALL_ANSWERED | IPC_CALL_NOTIF));
IPC_CALL_NOTIF    536 kernel/generic/src/ipc/irq.c 		call->flags |= IPC_CALL_NOTIF;
IPC_CALL_NOTIF    574 kernel/generic/src/ipc/irq.c 		call->flags |= IPC_CALL_NOTIF;
IPC_CALL_NOTIF    792 kernel/generic/src/ipc/sysipc.c 	if (call->flags & IPC_CALL_NOTIF) {
IPC_CALL_NOTIF    937 uspace/lib/c/generic/async/server.c 		if (call->flags & IPC_CALL_NOTIF) {