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Mail Archives: cygwin/2000/04/19/11:49:15

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From: Chris Faylor <cgf AT cygnus DOT com>
Date: Wed, 19 Apr 2000 12:47:24 -0400
To: "'cygwin AT sourceware DOT cygnus DOT com'" <cygwin AT sourceware DOT cygnus DOT com>
Subject: Re: Cygwin 1.1.0 gdb troubles
Message-ID: <20000419124724.A15213@cygnus.com>
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"'cygwin AT sourceware DOT cygnus DOT com'" <cygwin AT sourceware DOT cygnus DOT com>
References: <C9A8E1D07093D111B76A0000F8C9918A03332F3D AT zrtpd003 DOT us DOT nortel DOT com>
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In-Reply-To: <C9A8E1D07093D111B76A0000F8C9918A03332F3D@zrtpd003.us.nortel.com>; from cbjones@nortelnetworks.com on Wed, Apr 19, 2000 at 09:01:38AM -0400

On Wed, Apr 19, 2000 at 09:01:38AM -0400, Christopher Jones wrote:
>Seems like it would make more sense to at least hide these cygwin pids
>and let users always use windows pids for ps, kill, $$ in a shell, etc.
>So the PID and PPID values would be the real windows values and cygwin
>pids would disappear into the internals somewhere...  probably a lookup
>table if you really need to have them still.  Something like this would
>be more seemless, wouldn't it?

The main reason for cygwin pids is that there is no corresponding
exec*() style interface in Win32 land.  Most programs which use fork/exec
also rely on the fact that the exec'ed process has the same PID as the
fork.  There is no way to do this using the Win32 API.

cgf

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