connect  con1,localhost,root,,;
connect  con2,localhost,root,,;
drop table if exists t1;
connection con1;
create table t1 (id integer, x integer) engine = InnoDB;
insert into t1 values(0, 0);
SET @saved_dbug = @@SESSION.debug_dbug;
set DEBUG_DBUG='+d,fatal-semaphore-timeout';
set autocommit=0;
# Sending query on con1,
# the session will hold lock table mutex and sleep
SELECT * from t1 where id = 0 FOR UPDATE;
connection con2;
set autocommit=0;
# Sending query on con2,
# the session will be blocked on the lock table mutex and
# thus be put into sync arry
SELECT * from t1 where id = 0 FOR UPDATE;
connection default;
# Waitting for mysqld to crash
# Mysqld crash was detected
# Waitting for reconnect after mysqld restarts
# Reconnected after mysqld was successfully restarted
# Cleaning up before exit
SET debug_dbug = @saved_dbug;
drop table if exists t1;
# Clean exit