bug fixed: connection pool should NOT increase counter when connect fail

HISTORY

 
-Version 1.06  2014-06-24
+Version 1.06  2014-06-27
   * update source code from FastDFS V5.02
   * add function short2buff and buff2short
   * add object memory pool (fast_mblock.h and fast_mblock.c)
@@ -13,6 +13,7 @@ Version 1.06  2014-06-24
   * #include <stdbool.h> to use C99 bool
   * add libfastcommon.spec for building RPM
   * logger can delete old rotated files
+  * bug fixed: connection pool should NOT increase counter when connect fail
 
 Version 1.05  2012-07-08
   * update source code from FastDFS V3.09

src/connection_pool.c

@@ -202,6 +202,10 @@ ConnectionInfo *conn_pool_get_connection(ConnectionPool *cp,
 					cp->connect_timeout);
 			if (*err_no != 0)
 			{
+                pthread_mutex_lock(&cm->lock);
+                cm->total_count--;  //rollback
+                pthread_mutex_unlock(&cm->lock);
+
 				free(p);
 				return NULL;
 			}