Re: [Xen-devel] [PATCH v11 12/27] tools/libx{l, c}: introduce wait_checkpoint callback

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Changlong Xie writes ("[PATCH v11 12/27] tools/libx{l,c}: introduce 
wait_checkpoint callback"):
> From: Wen Congyang <wency@xxxxxxxxxxxxxx>
> 
> Under COLO, we are doing checkpoint on demand, if this
> callback returns 1, we will take another checkpoint.
> 0 indicates unexpected error.

This doesn't seem to have a corresponding implementation.  I think the
implementation ought to be in the same patch.

If 0 is always an `unexpected error', perhaps the return value should
be an error code or something ?  I'm not sure.

Ian.

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