add preliminary support for SIP timers (issue #4359)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6362 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 17 insertions, 0 deletions

diff --git a/include/asterisk/sched.h b/include/asterisk/sched.h
index c64e308b4..3b239d87e 100755
--- a/include/asterisk/sched.h
+++ b/include/asterisk/sched.h
@@ -62,10 +62,27 @@ typedef int (*ast_sched_cb)(void *data);
  * Schedule an event to take place at some point in the future.  callback 
  * will be called with data as the argument, when milliseconds into the
  * future (approximately)
+ * If callback returns 0, no further events will be re-scheduled
  * Returns a schedule item ID on success, -1 on failure
  */
 extern int ast_sched_add(struct sched_context *con, int when, ast_sched_cb callback, void *data);
 
+/*!Adds a scheduled event */
+/*! 
+ * \param con Schduler context to add
+ * \param when how many milliseconds to wait for event to occur
+ * \param callback function to call when the amount of time expires
+ * \param data data to pass to the callback
+ * \param variable If true, the result value of callback function will be 
+ *       used for rescheduling
+ * Schedule an event to take place at some point in the future.  callback 
+ * will be called with data as the argument, when milliseconds into the
+ * future (approximately)
+ * If callback returns 0, no further events will be re-scheduled
+ * Returns a schedule item ID on success, -1 on failure
+ */
+extern int ast_sched_add_variable(struct sched_context *con, int when, ast_sched_cb callback, void *data, int variable);
+
 /*! Deletes a scheduled event */
 /*!
  * \param con scheduling context to delete item from