Support unsubscribing from notifications using a special notifier peer object.
1#include<systypes/base.h> /* notify_flags_t */ 2 3interfaceNotification 4{ 5/* Subscribe to events. Unsubscribing is done via the peer returned by the 6 operation. */ 7 8[opcode(23)]voidsubscribe(incapnotifier,innotify_flags_tflags, 9outcappeer); 10};