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[patch #1808] [Patch #1808] Add support for task_basic_info without crea


From: noreply
Subject: [patch #1808] [Patch #1808] Add support for task_basic_info without creation_time
Date: Sat, 09 Aug 2003 16:55:19 -0400
User-agent: Mozilla/5.0 (X11; U; Linux i686) Gecko/20030714 Galeon/1.3.5 Debian/1.3.5.20030714-2

Patch #1808 has been updated. 

Project: 
Category: None
Status: Postponed
Summary: Add support for task_basic_info without creation_time

Follow-Ups:

Date: Sat 08/09/2003 at 22:26
By: pbruin

Comment:
This patch adds support for OSF Mach, which doesn't have creation_time in 
`struct task_basic_info', by adding a member creation_time to `struct 
procinfo'.  It is initialized by proc when a `struct proc' for the task is 
allocated and kept in this `struct proc'.

A configure function is still needed to detect if this should be enabled.

-------------------------------------------------------

Date: Sat 08/09/2003 at 22:32
By: marcus

Comment:
Hi,

the creation time was an invention of us, and he put it into GNU Mach 1999.  
This seemed to be an easy change.  Instead changing the Hurd to allow for the 
lack of it, can't you backport our change to OSF Mach?  Here are the relevant 
changelog entries from GNU Mach:

1999-05-29  Roland McGrath  <roland@baalperazim.frob.com>
                                                                                
        * kern/startup.c (start_kernel_threads): Call record_time_stamp to
        reset the kernel task's creation_time field, so it's not zero.
 1999-05-23  Roland McGrath  <roland@baalperazim.frob.com>
 
        * kern/task.c (task_info): Allow count for TASK_BASIC_INFO to be less
        two words, not just one.  The new member creation_time is two words.

Wed Aug 20 16:05:19 1997  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>
                                                                                
        * kern/thread.h (struct thread): New member `creation_time'.
        * include/mach/thread_info.h: New member `creation_time'.
        * kern/thread.c (thread_create): Set creation time stamp.
        (thread_info) [THREAD_BASIC_INFO]: Fill in new creation time
        field.  Carefully preserve compatibility with old callers.
 
        * kern/task.h (struct task): New member `creation_time'.
        * include/mach/task_info.h: New member `creation_time'.
        * kern/task.c (task_create): Set creation time stamp.
        (task_info) [TASK_BASIC_INFO]: Fill in new creation time field.
        Carefully preserve compatibility with old callers.
 
        * kern/mach_clock.c (record_time_stamp): New function.
        * kern/time_out.h (record_time_stamp): Add prototype.
                                                                                
-------------------------------------------------------

Date: Sat 08/09/2003 at 22:46
By: pbruin

Comment:
I already wondered why the OSF Mach developers would have wanted to remove 
it... 8-)

I'll try to change it in Mach; I wanted to start working on Mach anyway, since 
it has at least one other annoying bug and the hurdppc project on 
savannah.nongnu.org also needs a version of Mach that runs on newer PPC 
computers (using OSKit).  It'll probably take some time, however.

-------------------------------------------------------

Date: Sat 08/09/2003 at 22:55
By: marcus

Comment:
Ok, I set the status to Postponed.  Please keep us up to date about the 
progress.
-------------------------------------------------------

-------------------------------------------------------
For more info, visit:

http://savannah.gnu.org/patch/?func=detailpatch&patch_id=1808&group_id=30

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