Subject: Re: [PATCH v5 19/35] commit_lock_file(): rollback lock file on failure to rename

From: Jonathan Nieder <[email-masked]>
Date: Tue, 16 Sep 2014 15:22:08 -0700

Michael Haggerty wrote:

> If rename() fails, call rollback_lock_file() to delete the lock file
> (in case it is still present) and reset the filename field to the
> empty string so that the lockfile object is left in a valid state.

Can you spell out more what the goal is?  Is the idea to keep the
.lock file for a shorter period of time, so other processes can lock
that file before the current process exits?