Network Processes & Database processes do not exit promptly. They hang for 10 seconds until they log the following message:
com.apple.WebKit.Networking: (WebKit) #WK: Exiting process early due to unacknowledged closed-connection
Then forcefully call exit(0).
Created attachment 286404 [details]
Comment on attachment 286404 [details]
Clearing flags on attachment: 286404
Committed r204621: <http://trac.webkit.org/changeset/204621>
All reviewed patches have been landed. Closing bug.