From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <3fab42bfaa9288c3dd261507296e1370@swtch.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Plan9Ports libdraw open-in-same-window
From: "Russ Cox" <rsc@swtch.com>
Date: Thu,  9 Mar 2006 22:35:23 -0500
In-Reply-To: <CCEE9E07-0B77-4D8C-9FD5-2C30E15365CB@telus.net>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Topicbox-Message-UUID: 10c5f6f4-ead1-11e9-9d60-3106f5b1d025

> I've been recycling the drawable, but I need to keep a cross-process
> lock there; what's a good way to keep a lock in P9P?

I didn't answer this.  I don't know how to do a cross-process lock.
Perhaps you could create a temporary file and fcntl lock it.

Russ