From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@labs.coraid.com>
Date: Tue, 16 Nov 2010 23:43:30 -0500
To: lucio@proxima.alt.za, 9fans@9fans.net
Message-ID: <80666747a82599c2c95273616c42b4de@coraid.com>
In-Reply-To: <f16734ab70dbd655f476d4f775c6064e@proxima.alt.za>
References: <f16734ab70dbd655f476d4f775c6064e@proxima.alt.za>
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Subject: Re: [9fans] That deadlock, again
Topicbox-Message-UUID: 83975376-ead6-11e9-9d60-3106f5b1d025

> Hm, I thought I understood waserror(), but now I'm sure I don't.  What
> condition is waserror() attempting to handle here?

waserror() sets up an entry in the error stack.
if there is a call to error() before poperror(),
then that entry is poped and waserror() returns
1.  it's just like set_jmp or sched().

- erik