[TS-1650] Inactivity cop should use TRY_LOCK instead of LOCK to avoid deadlock.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.1
• Assignee: Brian Geffon
• Reporter: Brian Geffon
• Created: 12/Jan/13 00:15
• Updated: 05/Jun/13 22:42
• Resolved: 30/Jan/13 19:11

Description

In situations where a connection may have died while holding on to a mutex this can result in deadlock. Inactivity cop's only job is to cleanup and since it's trying to LOCK it will block. Instead we should just use a TRY_LOCK and continue cleaning up the remaining connections.