Path: utzoo!utgpu!water!watmath!clyde!bellcore!faline!ulysses!allegra!mit-eddie!husc6!think!ames!amdcad!sun!pitstop!sundc!seismo!uunet!mcvax!botter!ast
From: ast@botter.UUCP
Newsgroups: comp.os.minix
Subject: Re: Simple (?) question re signals
Message-ID: <1835@botter.cs.vu.nl>
Date: 23 Jan 88 23:06:49 GMT
References: <256@csed-47.csed-1.UUCP>
Reply-To: ast@cs.vu.nl (Andy Tanenbaum)
Organization: VU Informatica, Amsterdam
Lines: 16
Posted: Sat Jan 23 18:06:49 1988

In article <256@csed-47.csed-1.UUCP> roskos@csed-1.UUCP (Eric Roskos) writes:
>This is something that has puzzled me for awhile.
>
>If you are logged in under Minix, and you type the character that generates
>a SIGINT (the DEL key by default), what determines which processes the signal
>gets distributed to?

Take a look at line 3663 to see the start of chain of calls.  There is sort
of an implicit assumption that tty line maps one to one with the process
owning that one.  For n = 1, it is certainly true.  Since the distributed
version only worked for n = 1, no problems so far.  This is not unlike the
man who got a contract from NASA to go to the moon by climbing the tallest
tree he could fine.  For the first few days, he kept sending back progress
reports about how well he was doing ...

Andy Tanenbaum (ast@cs.vu.nl)