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Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case [message #1363 is a reply to message #1360]

Tue, 07 February 2006 11:42

dev
Messages: 1693
Registered: September 2005
Location: Moscow

Senior Member

>>The question was not about openvz, it was about (container,pid) approach.
>>How are you going to reap chidren without a child reaper inside container?
>>If you reparent all the children to a single init in root container,
>>what does wait() return? In openvz it returns global pid and child is buried
>>in peace. If you do not have global pid, you cannot just return private pid.
>
> I think the "child reaper" question is not related to the (container,pid)
> approach or the vpid approach. This is another question on who is the
> parent of a container and how does it behaves.
it is related. How reaps the last process in container when it dies?
what does waitpid() return?

> We have choosen to first follow a simple "path", complete pid isolation
> being the main constraint : a container is created by exec'ing a process in
> it.
Why to exec? It was asked already some times...

> That first process is detached from its parent processes and becomes
> child of init (already running), session leader, and process group leader.
> We could eventually add a daemon to act as a init process for the container.
See my prev question. Who reaps your init itself?

> Now, there are other ways of seeing a container parenthood, openvz, eric,
> vserver, etc. We should agree on this or find a way to have different model
> cohabitate.

Kirill

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[Message index]

		[RFC][PATCH] VPIDs: Virtualization of PIDs (OpenVZ approach) By: Kirill Korotaev on Thu, 02 February 2006 15:54
		[RFC][PATCH 1/7] VPIDs: add VPID config option By: dev on Thu, 02 February 2006 16:16
		[RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: dev on Thu, 02 February 2006 16:21
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: ebiederm on Wed, 08 February 2006 20:29
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: Alexey Kuznetsov on Wed, 08 February 2006 23:53
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: ebiederm on Thu, 09 February 2006 00:37
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: Alexey Kuznetsov on Thu, 09 February 2006 01:11
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: ebiederm on Thu, 09 February 2006 01:36
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: serue on Thu, 09 February 2006 02:51
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: Alexey Kuznetsov on Thu, 09 February 2006 09:55
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: ebiederm on Thu, 09 February 2006 19:22
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: dev on Mon, 20 February 2006 14:55
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: Herbert Poetzl on Mon, 20 February 2006 16:56
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: dev on Tue, 21 February 2006 16:17
		Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions By: Herbert Poetzl on Tue, 21 February 2006 23:17
		[RFC][PATCH 3/7] VPIDs: fork modifications By: dev on Thu, 02 February 2006 16:24
		Re: [RFC][PATCH 3/7] VPIDs: fork modifications By: Cedric Le Goater on Thu, 02 February 2006 20:08
		[RFC][PATCH 4/7] VPIDs: vpid macros in non-VPID case By: Kirill Korotaev on Thu, 02 February 2006 16:26
		[RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Kirill Korotaev on Thu, 02 February 2006 16:30
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Dave Hansen on Thu, 02 February 2006 17:05
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: serue on Thu, 02 February 2006 19:29
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Alexey Kuznetsov on Fri, 03 February 2006 10:52
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Cedric Le Goater on Fri, 03 February 2006 12:48
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Alexey Kuznetsov on Fri, 03 February 2006 14:02
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Dave Hansen on Fri, 03 February 2006 16:25
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Alexey Kuznetsov on Mon, 06 February 2006 11:24
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Cedric Le Goater on Fri, 03 February 2006 17:05
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Alexey Kuznetsov on Mon, 06 February 2006 09:48
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: serue on Mon, 06 February 2006 14:51
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Alexey Kuznetsov on Mon, 06 February 2006 15:51
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: serue on Mon, 06 February 2006 16:24
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Cedric Le Goater on Tue, 07 February 2006 09:46
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: dev on Tue, 07 February 2006 11:42
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Cedric Le Goater on Tue, 07 February 2006 12:59
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Cedric Le Goater on Tue, 07 February 2006 09:15
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: dev on Fri, 03 February 2006 14:03
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Cedric Le Goater on Fri, 03 February 2006 15:40
		Re: [RFC][PATCH 5/7] VPIDs: vpid/pid conversion in VPID enabled case By: Kirill Korotaev on Fri, 03 February 2006 16:26
		[RFC][PATCH 6/7] VPIDs: small proc VPID export By: Kirill Korotaev on Thu, 02 February 2006 16:31
		[RFC][PATCH 7/7] VPIDs: required VPS interface for VPIDs By: Kirill Korotaev on Thu, 02 February 2006 16:32
		Re: [RFC][PATCH] VPIDs: Virtualization of PIDs (OpenVZ approach) By: Herbert Poetzl on Fri, 03 February 2006 03:01
		Re: [RFC][PATCH] VPIDs: Virtualization of PIDs (OpenVZ approach) By: Kirill Korotaev on Fri, 03 February 2006 10:30
		Re: [RFC][PATCH] VPIDs: Virtualization of PIDs (OpenVZ approach) By: Alexey Kuznetsov on Fri, 03 February 2006 12:45

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