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Path: utzoo!utcs!lsuc!pesnta!hplabs!hao!seismo!rlgvax!guy
From: guy@rlgvax.UUCP (Guy Harris)
Newsgroups: net.sources.bugs
Subject: Re: DIRED (distributed months ago) goes into infinite loop with SIGTSTP
Message-ID: <489@rlgvax.UUCP>
Date: Sat, 16-Feb-85 00:26:59 EST
Article-I.D.: rlgvax.489
Posted: Sat Feb 16 00:26:59 1985
Date-Received: Sun, 17-Feb-85 15:28:35 EST
References: <1912@wateng.UUCP>
Distribution: net
Organization: CCI Office Systems Group, Reston, VA
Lines: 13

> It seems that there is a bit of a race condition when the (SIGTSTP) signal
> catcher redefines what to do with the signal and sends the signal
> to itself. For the 4.2 version I changed the signal it sends to
> be the non-catchable SIGSTOP.

This same bug occurs if you try to run the S5R2 curses/terminfo package
on a 4.2BSD system; the solution that the old curses package used was just
to reset the signal handler for SIGTSTP to SIG_DFL at the beginning of
the handler (in effect, reimplementing the bad old pre-4.2 signal
handling).

	Guy Harris
	{seismo,ihnp4,allegra}!rlgvax!guy