-- source include/have_innodb_plugin.inc

let $timeout=`select @@innodb_lock_wait_timeout`;
set global innodb_lock_wait_timeout=42;

connect (a,localhost,root,,);
connect (b,localhost,root,,);

connection a;
select @@innodb_lock_wait_timeout;
set innodb_lock_wait_timeout=1;
select @@innodb_lock_wait_timeout;

connection b;
select @@innodb_lock_wait_timeout;
set global innodb_lock_wait_timeout=347;
select @@innodb_lock_wait_timeout;
set innodb_lock_wait_timeout=1;
select @@innodb_lock_wait_timeout;

connect (c,localhost,root,,);
connection c;
select @@innodb_lock_wait_timeout;
connection default;
disconnect c;

connection a;
create table t1(a int primary key)engine=innodb;
begin;
insert into t1 values(1),(2),(3);

connection b;
--send
select * from t1 for update;

connection a;
commit;

connection b;
reap;

connection a;
begin;
insert into t1 values(4);

connection b;
--send
select * from t1 for update;

connection a;
sleep 2;
commit;

connection b;
--error ER_LOCK_WAIT_TIMEOUT
reap;
drop table t1;

connection default;

disconnect a;
disconnect b;

eval set global innodb_lock_wait_timeout=$timeout;