[Libvir] [PATCH] Add virConnectGetCapabilities call to return the capabilities of the driver / hypervisor

Richard W.M. Jones rjones at redhat.com
Fri Mar 9 16:35:05 UTC 2007


Richard W.M. Jones wrote:
> Daniel P. Berrange wrote:
>> On Fri, Mar 09, 2007 at 03:22:08PM +0000, Richard W.M. Jones wrote:
>>> This patch:
>>>
>>> * Adds virConnectGetCapabilities which returns an XML description of 
>>> the capabilities of the driver or hypervisor under this connection 
>>> (see below for more about the XML format).
>>
>> +    /* 32 or 64 bit host? */
>> +    const char *bits = strstr (utsname.machine, "64") != NULL ? "64" 
>> : "32";
>>
>> Will this work safely on all OS / arches ? I guess ia64, x86_64, sparc64
>> and ppc64  all give the right results.
>>
>> One alternative would be using 'sizeof(void*) * 8', although if 
>> someone used a 32-bit set of libs on a  64-bit machine this would give 
>> wrong answer. 
> 
> The trouble is you need to run that sizeof code inside the qemu virtual 
> machine :-)

Sorry, wrong code - ignore!

Rich.

-- 
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