added forgotten function prototype sntl_finalize(), more comments;

include/sntl/sntllv2.h

@@ -89,7 +89,7 @@ typedef struct __connection_t {
   /* Other stuff */
   pthread_t thrd_poll[8];
   volatile uint8_t flags; /** < flags of the connection */
-  volatile uint8_t usecount;
+  volatile uint8_t usecount; /** < use count for the connection link */
   usrtc_node_t csnode; /** < node to store the connection within list */
 } conn_t;
 
@@ -130,7 +130,7 @@ typedef struct __channel_t {
 typedef struct __message_t {
   chnl_t *pch; /** < channel of the message(if applicable) */
   pthread_mutex_t wait; /** < special wait mutex, used for pending list and sync */
-  sntllv2_head_t mhead;
+  sntllv2_head_t mhead; /** < last actual head of the message */
   void *payload; /** < payload */
 } sxmsg_t;
 
@@ -203,6 +203,8 @@ extern "C" {
 /* API */
 int sntl_init(void);
 
+void sntl_finalize(void);
+
 int connections_init(conn_sys_t *ssys);
 
 conn_sys_t *connections_create(void);