OpenVZ Forum


Home » Mailing lists » Devel » [PATCH 2.6.24-rc8-mm1 00/15] IPC: code rewrite + new functionalities
Re: [PATCH 2.6.24-rc8-mm1 00/15] IPC: code rewrite + new functionalities [message #26888 is a reply to message #26875] Mon, 04 February 2008 19:51 Go to previous message
Pavel Machek is currently offline  Pavel Machek
Messages: 34
Registered: February 2006
Member
Hi!

>>> 	As the namespaces and the "containers" are being integrated in the
>>> kernel, these functionalities may be a first step to implement  the
>>> checkpoint/restart of an application: in fact the existing API does not allow
>>> to specify or to change an ID when creating an IPC, when restarting an
>>> application, and the times/pids values of each IPCs are also altered. May be
>>> someone may find another interest about this ?
>>>
>>> So again, comments are welcome.
>>
>> Checkpoint/restart is nice, but... sysV ipc is broken by design, do we
>> really want to extend it?

>
> For my personal culture, what do you mean by "broken by design"?


       int shmget(key_t key, size_t size, int shmflg);

....so how do you produce key in a way that is guaranteed not to
interfere with other uses?
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
_______________________________________________
Containers mailing list
Containers@lists.linux-foundation.org
https://lists.linux-foundation.org/mailman/listinfo/containers
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: [PATCH][DOCUMENTATION] Minimal controller code for a quick start
Next Topic: [PATCH] Filesystems visibility control group
Goto Forum:
  


Current Time: Fri Jul 04 08:41:57 GMT 2025

Total time taken to generate the page: 0.02300 seconds