Notifyd

notifyd is the daemon for exchanging Darwin notifications.

Receive current status of all listeners

With help of Cycript, the information of all listeners can easily be obtained. First, store the following file as notstat.cy:

#!/usr/bin/cycript -p notifyd

if (!dlfun) {
  function dlfun(fn, encoding, altname) { var f = new Functor(dlsym(RTLD_DEFAULT, fn), encoding); if (f) this[altname || fn] = f; return f; }
  dlfun("fprint_status", "v^v");
  dlfun("fopen", "^v**");
  dlfun("fclose", "i^v");
}
var f = fopen("/tmp/123.txt", "w");
fprint_status(f);
fclose(f);
"Please check /tmp/123.txt";

Then, make notstat.cy executable and run it. The result should be stored in /tmp/123.txt and the content is like

--- NAME com.apple.springboard.edgeEnabledChanged ---
name: com.apple.springboard.edgeEnabledChanged
uid: 0
gid: 0
access: 333
refcount: 1
slot: -unassigned-
val: 1
state: 0 

client_id: 2261
session: 0x0000e1bb
pid: 4349
lastval: 0
notify: port
mach port: 0x00003343
token: 98 

--- NAME SBDidTurnOffDisplayNotification ---
name: SBDidTurnOffDisplayNotification
uid: 0
gid: 0
......