Formalize pdo_dbh_check_liveness_func() return type to zend_result

Author: Girgias

ext/pdo/php_pdo_driver.h

@@ -265,7 +265,7 @@ typedef int (*pdo_dbh_get_attr_func)(pdo_dbh_t *dbh, zend_long attr, zval *val);
 /* checking/pinging persistent connections; return SUCCESS if the connection
  * is still alive and ready to be used, FAILURE otherwise.
  * You may set this handler to NULL, which is equivalent to returning SUCCESS. */
-typedef int (*pdo_dbh_check_liveness_func)(pdo_dbh_t *dbh);
+typedef zend_result (*pdo_dbh_check_liveness_func)(pdo_dbh_t *dbh);
 
 /* called at request end for each persistent dbh; this gives the driver
  * the opportunity to safely release resources that only have per-request

ext/pdo_mysql/mysql_driver.c

@@ -520,7 +520,7 @@ static int pdo_mysql_get_attribute(pdo_dbh_t *dbh, zend_long attr, zval *return_
 /* }}} */
 
 /* {{{ pdo_mysql_check_liveness */
-static int pdo_mysql_check_liveness(pdo_dbh_t *dbh)
+static zend_result pdo_mysql_check_liveness(pdo_dbh_t *dbh)
 {
 	pdo_mysql_db_handle *H = (pdo_mysql_db_handle *)dbh->driver_data;
 

ext/pdo_oci/oci_driver.c

@@ -651,7 +651,7 @@ static int oci_handle_get_attribute(pdo_dbh_t *dbh, zend_long attr, zval *return
 }
 /* }}} */
 
-static int pdo_oci_check_liveness(pdo_dbh_t *dbh) /* {{{ */
+static zend_result pdo_oci_check_liveness(pdo_dbh_t *dbh) /* {{{ */
 {
 	pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
 	sb4 error_code = 0;

ext/pdo_pgsql/pgsql_driver.c

@@ -488,7 +488,7 @@ static int pdo_pgsql_get_attribute(pdo_dbh_t *dbh, zend_long attr, zval *return_
 }
 
 /* {{{ */
-static int pdo_pgsql_check_liveness(pdo_dbh_t *dbh)
+static zend_result pdo_pgsql_check_liveness(pdo_dbh_t *dbh)
 {
 	pdo_pgsql_db_handle *H = (pdo_pgsql_db_handle *)dbh->driver_data;
 	if (!PQconsumeInput(H->server) || PQstatus(H->server) == CONNECTION_BAD) {