Path: utzoo!utgpu!attcan!uunet!lll-winken!lll-tis!ames!umd5!brl-adm!brl-smoke!gwyn
From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.unix.wizards
Subject: Re: Big Fun with Sys V signal handling
Message-ID: <8264@brl-smoke.ARPA>
Date: 29 Jul 88 05:36:22 GMT
References: <482@paisano.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 14

In article <482@paisano.UUCP> demasi@paisano.UUCP (Michael C. De Masi) writes:
>This is, I guess, more of a general question than I usually
>post.  Can anybody out there point me towards a generalized
>text on strategies to process signals in a full screen run
>time unix environment?  Several applications around here
>are having great troubles with the concepts involved here,
>and it's hard to give them hard and fast rules that have
>any meaning to their plight.

Rule #1:  In your signal handler, just set a flag and resume.
	Have the main program loop test the flag at appropriate
	points.  Don't try to do anything useful in the signal
	handler itself.

Rule #2:  Follow rule #1.