@@LOCK_TIMEOUT (T-SQL)

Returns the current lock time-out setting, in milliseconds, for the current session.

Syntax

@@LOCK_TIMEOUT

Return Types

integer

Remarks

SET LOCK_TIMEOUT allows an application to set the maximum time that a statement waits on a blocked resource. When a statement has waited longer than the LOCK_TIMEOUT setting, the blocked statement is automatically canceled, and an error message is returned to the application.

At the beginning of a connection, @@LOCK_TIMEOUT returns a value of -1.

Examples

This example shows the result set when a LOCK_TIMEOUT value has not been set.

SELECT @@LOCK_TIMEOUT

Here is the result set:

----------------

-1

This example sets LOCK_TIMEOUT to 1800 milliseconds, and then calls @@LOCK_TIMEOUT.

SET LOCK_TIMEOUT 1800