src/call_notifier.h

   1 /*
   2  * transsip - the telephony toolkit
   3  * By Daniel Borkmann <daniel@transsip.org>
   4  * Copyright 2011, 2012 Daniel Borkmann <dborkma@tik.ee.ethz.ch>
   5  * Subject to the GPL, version 2.
   6  */
   7
   8 #ifndef CHAINS_H
   9 #define CHAINS_H
  10
  11 #include "notifier.h"
  12
  13 #define CALL_STATE_MACHINE_CHANGED              1
  14
  15 # define CALL_STATE_MACHINE_IDLE                0
  16 # define CALL_STATE_MACHINE_CALLOUT             1
  17 # define CALL_STATE_MACHINE_CALLIN              2
  18 # define CALL_STATE_MACHINE_SPEAKING            3
  19
  20 extern void init_call_notifier(void);
  21 extern int register_call_notifier(struct event_block *block);
  22 extern int register_call_notifier_once(struct event_block *block);
  23 extern int unregister_call_notifier(struct event_block *block);
  24 extern int call_notifier_exec(unsigned long event, const void *arg);
  25
  26 #endif /* CHAINS_H */