add optional pool arguement to outgoing channel to allow pre-created pools to be donated to the new session

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@726 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_core.h

@@ -345,12 +345,15 @@ SWITCH_DECLARE(void) switch_core_service_session(switch_core_session *session, s
   \param endpoint_name the name of the module to use for the new session
   \param caller_profile the originator's caller profile
   \param new_session a NULL pointer to aim at the newly created session
+  \param pool optional existing memory pool to donate to the session (WILL BE KEPT)
   \return SWITCH_STATUS_SUCCESS if the session was created
+  \note if the pool arguement is not null the pool will be adopted by the session and your pointer will be nulled
 */
 SWITCH_DECLARE(switch_status) switch_core_session_outgoing_channel(switch_core_session *session,
-											 char *endpoint_name,
-											 switch_caller_profile *caller_profile,
-											 switch_core_session **new_session);
+																   char *endpoint_name,
+																   switch_caller_profile *caller_profile,
+																   switch_core_session **new_session,
+																   switch_memory_pool **pool);
 
 /*! 
   \brief Answer the channel of a given session

src/include/switch_module_interfaces.h

@@ -150,7 +150,7 @@ struct switch_io_event_hooks {
 /*! \brief A table of i/o routines that an endpoint interface can implement */
 struct switch_io_routines {
 	/*! creates an outgoing session from given session, caller profile */
-	switch_status (*outgoing_channel)(switch_core_session *, switch_caller_profile *, switch_core_session **);
+	switch_status (*outgoing_channel)(switch_core_session *, switch_caller_profile *, switch_core_session **, switch_memory_pool *);
 	/*! answers the given session's channel */
 	switch_status (*answer_channel)(switch_core_session *);
 	/*! read a frame from a session */