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Re: compile kills background jobs undocumentedly

From: Kevin Rodgers
Subject: Re: compile kills background jobs undocumentedly
Date: Fri, 30 Jan 2004 16:28:14 -0700
User-agent: Mozilla/5.0 (X11; U; SunOS i86pc; en-US; rv: Gecko/20020406 Netscape6/6.2.2

Dan Jacobson wrote:

Muhahaha, this is how one can have a compile job not get killed, and
be able to do other compile jobs too:
$ cat makefile
        trap '' 1; gv book.pdf&
It should be documented.

Really?  trap is a shell built-in; it makes the shell that runs the
Makefile command ignore the HUP signal, as does the gv process.  But the
Emacs kill-compilation command and the compile-internal utility call
interrupt-process, which sends the INT signal; compile-internal then
calls delete-process, which calls Fkill_process, which sends a QUIT
signal.  So I don't see why ignoring HUP would have any effect on that

sequence of actions.

Kevin Rodgers

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