Index: res/res_config_mysql.c
===================================================================
--- res/res_config_mysql.c	(revision 722)
+++ res/res_config_mysql.c	(working copy)
@@ -79,7 +79,7 @@
 enum requirements { RQ_WARN, RQ_CREATECLOSE, RQ_CREATECHAR };
 
 struct mysql_conn {
-	AST_LIST_ENTRY(mysql_conn) list;
+	AST_RWLIST_ENTRY(mysql_conn) list;
 	ast_mutex_t	lock;
 	MYSQL       handle;
 	char        host[50];
@@ -112,7 +112,7 @@
 };
 
 static AST_LIST_HEAD_STATIC(mysql_tables, tables);
-static AST_LIST_HEAD_STATIC(databases, mysql_conn);
+static AST_RWLIST_HEAD_STATIC(databases, mysql_conn);
 
 static int parse_config(int reload);
 static int mysql_reconnect(struct mysql_conn *conn);
@@ -146,14 +146,14 @@
 		whichdb = ast_strdupa(database);
 	}
 
-	AST_LIST_LOCK(&databases);
-	AST_LIST_TRAVERSE(&databases, cur, list) {
+	AST_RWLIST_RDLOCK(&databases);
+	AST_RWLIST_TRAVERSE(&databases, cur, list) {
 		if (!strcmp(cur->unique_name, whichdb)) {
 			ast_mutex_lock(&cur->lock);
 			break;
 		}
 	}
-	AST_LIST_UNLOCK(&databases);
+	AST_RWLIST_UNLOCK(&databases);
 	return cur;
 }
 
@@ -1277,12 +1277,13 @@
 	ast_module_user_hangup_all();
 
 	usleep(1);
-	AST_LIST_LOCK(&databases);
-	while ((cur = AST_LIST_REMOVE_HEAD(&databases, list))) {
+	AST_RWLIST_WRLOCK(&databases);
+	while ((cur = AST_RWLIST_REMOVE_HEAD(&databases, list))) {
 		mysql_close(&cur->handle);
 		ast_mutex_destroy(&cur->lock);
 		ast_free(cur);
 	}
+	AST_RWLIST_UNLOCK(&databases);
 
 	/* Destroy cached table info */
 	AST_LIST_LOCK(&mysql_tables);
@@ -1318,10 +1319,10 @@
 		return 0;
 	}
 
-	AST_LIST_LOCK(&databases);
+	AST_RWLIST_WRLOCK(&databases);
 	for (catg = ast_category_browse(config, NULL); catg; catg = ast_category_browse(config, catg)) {
 		/* Does this category already exist? */
-		AST_LIST_TRAVERSE(&databases, cur, list) {
+		AST_RWLIST_TRAVERSE(&databases, cur, list) {
 			if (!strcmp(cur->unique_name, catg)) {
 				break;
 			}
@@ -1335,12 +1336,12 @@
 
 			strcpy(cur->unique_name, catg); /* SAFE */
 			ast_mutex_init(&cur->lock);
-			AST_LIST_INSERT_TAIL(&databases, cur, list);
+			AST_RWLIST_INSERT_TAIL(&databases, cur, list);
 		}
 
 		load_mysql_config(config, catg, cur);
 	}
-	AST_LIST_UNLOCK(&databases);
+	AST_RWLIST_UNLOCK(&databases);
 
 	ast_config_destroy(config);
 
@@ -1510,14 +1511,14 @@
 			AST_LIST_UNLOCK(&mysql_tables);
 		} else {
 			struct mysql_conn *cur;
-			AST_LIST_LOCK(&databases);
-			AST_LIST_TRAVERSE(&databases, cur, list) {
+			AST_RWLIST_RDLOCK(&databases);
+			AST_RWLIST_TRAVERSE(&databases, cur, list) {
 				if (!strncasecmp(a->word, cur->unique_name, l) && ++which > a->n) {
 					ret = ast_strdup(cur->unique_name);
 					break;
 				}
 			}
-			AST_LIST_UNLOCK(&databases);
+			AST_RWLIST_UNLOCK(&databases);
 		}
 		return ret;
 	}
@@ -1577,14 +1578,14 @@
 		return NULL;
 	case CLI_GENERATE:
 		if (a->argc == 4) {
-			AST_LIST_LOCK(&databases);
-			AST_LIST_TRAVERSE(&databases, cur, list) {
+			AST_RWLIST_RDLOCK(&databases);
+			AST_RWLIST_TRAVERSE(&databases, cur, list) {
 				if (!strncasecmp(a->word, cur->unique_name, l) && ++which > a->n) {
 					ret = ast_strdup(cur->unique_name);
 					break;
 				}
 			}
-			AST_LIST_UNLOCK(&databases);
+			AST_RWLIST_UNLOCK(&databases);
 		}
 		return ret;
 	}
@@ -1592,8 +1593,8 @@
 	if (a->argc != 3)
 		return CLI_SHOWUSAGE;
 
-	AST_LIST_LOCK(&databases);
-	AST_LIST_TRAVERSE(&databases, cur, list) {
+	AST_RWLIST_RDLOCK(&databases);
+	AST_RWLIST_TRAVERSE(&databases, cur, list) {
 		if (a->argc == 3 || (a->argc == 4 && !strcasecmp(a->argv[3], cur->unique_name))) {
 			found = 1;
 
@@ -1634,7 +1635,7 @@
 			}
 		}
 	}
-	AST_LIST_UNLOCK(&databases);
+	AST_RWLIST_UNLOCK(&databases);
 
 	if (!found) {
 		ast_cli(a->fd, "No connections configured.\n");