[libvirt] [PATCH 1/5] write pid file into stateDir

[Daniel P. Berrange]

On Fri, Dec 12, 2008 at 07:26:06PM +0100, Guido G?nther wrote:
> @@ -870,6 +874,9 @@ int qemudBuildCommandLine(virConnectPtr conn,
>      ADD_ARG_LIT("-monitor");
>      ADD_ARG_LIT("pty");
>  
> +    ADD_ARG_LIT("-pidfile");
> +    ADD_ARG(pidfile);
> +

Not all versions of QEMU support the -pidfile argument. We'll have to add 
another probe to qemudExtractVersionInfo() method as we do for -drive, 
-uuid, etc.

I'm fine saying that older QEMU instances won't survive a  daemon restart,
so we can just leave off -pidfile for those that don't support it.

Daniel
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