[Devel] Re: [RFC][PATCH 8/8] check files for checkpointability

Dave Hansen dave at linux.vnet.ibm.com
Mon Mar 2 09:30:52 PST 2009


On Mon, 2009-03-02 at 11:22 -0600, Nathan Lynch wrote:
> No.. I mean what if a process 1234 does
> 
> f = fopen("/proc/1234/stat", "r");
> 
> and is then checkpointed.  Can that path be resolved during restart,
> before pid 1234 is alive?

Heh, that's a good one.

It does mean that we can't do restore like this:

	for_each_cr_task()
		restore_task_struct()
		restore_files()
		...

We have to do:

	for_each_cr_task()
		restore_task_struct()
	for_each_cr_task()
		restore_files()


-- Dave

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