初版

build/lib/mysql/mysql-test/include/have_debug_sync.inc

@@ -0,0 +1,5 @@
+--require r/have_debug_sync.require
+disable_query_log;
+let $value= query_get_value(SHOW VARIABLES LIKE 'debug_sync', Value, 1);
+eval SELECT ('$value' LIKE 'ON %') AS debug_sync;
+enable_query_log;