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RE: Extending cygwin's process table
- To: "Noel L Yap" <yap_noel at jpmorgan dot com>,<cygwin at sources dot redhat dot com>
- Subject: RE: Extending cygwin's process table
- From: "Mark Weaver" <mark at npsl dot co dot uk>
- Date: Wed, 19 Jul 2000 14:17:35 +0100
Isn't pid creation inherently non-monotonic anyway due to multitasking
considerations, i.e.
1. X w/pid 100 creates Y w/pid 101
2. A w/pid 2 creates B w/pid 102
3. Y w/pid 101 creates Z w/pid 103
...so anything that relies on monotonicity just won't be robust. Just my
2p's worth!
Mark
-----Original Message-----
From: cygwin-owner@sources.redhat.com
[mailto:cygwin-owner@sources.redhat.com]On Behalf Of Noel L Yap
Sent: Wednesday, July 19, 2000 2:05 PM
To: cygwin@sources.redhat.com
Subject: Re: Extending cygwin's process table
cgf@cygnus.com on 2000.07.18 23:43:19
>I'm also toying with trying to more closely tie cygwin pids to windows
>pids.
IMHO, this'd be great.
>Is anyone going to be bothered if pid creation is not monotonic? By
>that I mean, parent pid 1000 may not create child pid 1001. It may
>create child pid 27.
I don't think anything should be relying on this behaviour since it's not
always
satisfied (ie when ppid is near the max pid allowed).
>It may still not be feasible to use cygwin pids as windows pids
>(possibly because I don't believe that pid 1 is special to windows) but
>I thought I'd give this a try anyway unless there is something that I'm
>missing.
Yeah, I'm not sure if it's possible, but it's worth a shot (unless someone
out
there knows for sure that it's not possible).
Noel
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