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From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.unix
Subject: Re: Can a trap survive an exec /bin/sh?
Message-ID: <1533@brl-tgr.ARPA>
Date: Mon, 16-Sep-85 17:06:30 EDT
Article-I.D.: brl-tgr.1533
Posted: Mon Sep 16 17:06:30 1985
Date-Received: Tue, 17-Sep-85 22:13:45 EDT
References: <668@ihu1h.UUCP>
Distribution: na
Organization: Ballistic Research Lab
Lines: 8

> Is there a way to get a trap to survive the exec of the shell?
> What I want to do is set a trap, exec a shell, continue on with
> an interactive session in the exec'ed shell, and have the trap
> turned on in the exec'ed shell.

Nope, any signal handler other than SIG_DFL or SIG_IGN is reset
to SIG_DFL by an exec.  You'll have to set up the signal handler
inside the exec'ed shell.


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