From:	randolph AT pcx DOT ncd DOT com ("Randolph Fritz")
Subject:	Re: 'jobs' builtin on beta 16
17 Oct 1996 12:14:06 -0700 :
Sender:	daemon AT cygnus DOT com
Approved:	cygnus DOT gnu-win32 AT cygnus DOT com
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In-Reply-To:	Geoffrey Noer <noer@cygnus.com>
	"Re: 'jobs' builtin on beta 16" (Oct 17, 3:04am)
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Original-To:	Geoffrey Noer <noer AT cygnus DOT com>, randolph AT pcx DOT ncd DOT com (Randolph Fritz)
Original-Cc:	gnu-win32 AT cygnus DOT com
Original-Sender:	owner-gnu-win32 AT cygnus DOT com

Geof,

Thanks very much for your reply!  I really appreciate the attention.

I wrote:

>> Also, the "ps" output is very strange; would someone who's looked at the
code
>> care to comment on the mapping from Posix to NT processes.

> The "ps" command in gnu-win32 only shows the gnu-win32 processes.  You
> can kill such processes with "kill" and so on...  What's strange about
> it?  If you can be more specific, I'll try to answer...

Sure.  Here's a sample ps output:

bash$ ps
     PID     PPID  WIN32-PID   UID  COMMAND
    1000     1000        466   500  n:\bin\sh.exe
    1001     1000        424   500
 n:\win32app\Cygnus\H-i386-cygwin32\bin\ps.exe

Do I grasp correctly that cygwin32 maintains its own process table, and a
mapping from that table to Win32 process ids, which aren't necessarily
monotonically increasing?  Is the UID the NT internal UID?  I've never actually
seen it expressed numerically; all the NT tools show it as a user name.

Does gcc-win32 compile programs with text and data segments and are the text
segments shared as part of the implementation of fork?  How is forking of the
data segments handled--is page copying delayed until write as in modern Unixes?


-- 
Randolph Fritz
QA consultant
NCD/PCX division
randolph AT pcx DOT ncd DOT com

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