void session_unlock(struct ltt_session *session);
void session_unlock_list(void);
-struct ltt_session *session_find_by_name(char *name);
+struct ltt_session *session_find_by_name(const char *name);
struct ltt_session_list *session_get_list(void);
int session_access_ok(struct ltt_session *session, uid_t uid, gid_t gid);