Messages in this thread | | | Date | Mon, 4 Feb 2008 20:51:50 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH 2.6.24-rc8-mm1 00/15] IPC: code rewrite + new functionalities |
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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
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