add softtimer to the core, begin framework for static modules and reduces calls to gettimeofday for timestamps

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5784 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/private/switch_core_pvt.h

@@ -152,6 +152,10 @@ struct switch_runtime {
 	uint8_t running;
 	char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
 	uint32_t flags;
+	switch_time_t timestamp;
+	switch_mutex_t *throttle_mutex;
+	uint32_t sps_total;
+	int32_t sps;
 };
 
 extern struct switch_runtime runtime;