From: Jonathan Nieder <jrnieder@gmail.com>
Date: Tue, 16 Sep 2014 22:22:08 GMT
Subject: Re: [PATCH v5 19/35] commit_lock_file(): rollback lock file on failure to rename
Message-ID: <20140916222207.GS29050@google.com>
In-Reply-To: <1410896036-12750-20-git-send-email-mhagger@alum.mit.edu>

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?