[Xen-devel] Re: [PATCH v3] xen_console: support the new extended xenstore protocol

[Alexander Graf <agraf@xxxxxxx>]

On 06/29/2011 01:12 PM, stefano.stabellini@xxxxxxxxxxxxx wrote:
> From: Stefano Stabellini<stefano.stabellini@xxxxxxxxxxxxx>
>
> Since CS 21994 on xen-unstable.hg and CS
> 466608f3a32e1f9808acdf832a5843af37e5fcec on qemu-xen-unstable.git, few
> changes have been introduced to the PV console xenstore protocol, as
> described by the document docs/misc/console.txt under xen-unstable.hg.
>
>  From the Qemu point of view, very few modifications are needed to
> correctly support the protocol: read from xenstore the "output" node
> that tell us what the output of the PV console is going to be.
> In case the output is a tty, write to xenstore the device name.
>
> Changes in v2:
>
> - fix error paths: free malloc'ed strings and close the xenstore
> connection before returning;
>
> - remove useless snprintf in xenstore_store_pv_console_info if i == 0.
>
> Changes in v3:
>
> - replace xs_daemon_open/xs_daemon_close with xs_open/xs_close.
On SLES11SP1:

cc1: warnings being treated as errors
/studio/tmp/agraf/xen-all.c: In function ‘store_dev_info’:
/studio/tmp/agraf/xen-all.c:755: error: implicit declaration of function 
‘xs_open’
/studio/tmp/agraf/xen-all.c:755: error: nested extern declaration of 
‘xs_open’
/studio/tmp/agraf/xen-all.c:755: error: assignment makes pointer from 
integer without a cast
/studio/tmp/agraf/xen-all.c:784: error: implicit declaration of function 
‘xs_close’
/studio/tmp/agraf/xen-all.c:784: error: nested extern declaration of 
‘xs_close’
Alex


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