Table locks
===========
-| Field | Description | Type | Null | Key | Default | Extra |
-|---------|------------------|--------------|------|-----|---------------------|----------------|
-| id | sequential ID | int(11) | NO | PRI | NULL | auto_increment |
-| name | | varchar(128) | NO | | | |
-| locked | | tinyint(1) | NO | | 0 | |
-| created | | datetime | YES | | 0000-00-00 00:00:00 | |
+| Field | Description | Type | Null | Key | Default | Extra |
+|---------|------------------|------------------|------|-----|---------------------|----------------|
+| id | sequential ID | int(11) | NO | PRI | NULL | auto_increment |
+| name | | varchar(128) | NO | | | |
+| locked | | tinyint(1) | NO | | 0 | |
+| pid | Process ID | int(10) unsigned | NO | | 0 | |
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