From owner-freebsd-hackers  Wed Jan  8 20:38:27 1997
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To: Terry Lambert <terry@lambert.org>
Subject: Re: mmap() updates...how often? 
Cc: wong@rogerswave.ca, proff@suburbia.net, hackers@freebsd.org
In-reply-to: Your message of "Wed, 08 Jan 1997 17:42:47 MST."
		<199701090042.RAA17405@phaeton.artisoft.com> 
References: <199701090042.RAA17405@phaeton.artisoft.com>  
Date: Wed, 08 Jan 1997 21:36:34 -0700
From: Warner Losh <imp@village.org>
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The normal way that I've seen this sort of signalling done in the past
is a pipe and a single byte write...  Much more reliable than signals,
but likely a little slower.

Warner