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1f71de59
编写于
6月 19, 2013
作者:
J
Jiri Denemark
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Clarify virDomainDetachDeviceFlags documentation
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ee023f6c
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src/libvirt.c
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@@ -11043,6 +11043,22 @@ error:
...
@@ -11043,6 +11043,22 @@ error:
* block copy operation on the device being detached; in that case,
* block copy operation on the device being detached; in that case,
* use virDomainBlockJobAbort() to stop the block copy first.
* use virDomainBlockJobAbort() to stop the block copy first.
*
*
* Beware that depending on the hypervisor and device type, detaching a device
* from a running domain may be asynchronous. That is, calling
* virDomainDetachDeviceFlags may just request device removal while the device
* is actually removed later (in cooperation with a guest OS). Previously,
* this fact was ignored and the device could have been removed from domain
* configuration before it was actually removed by the hypervisor causing
* various failures on subsequent operations. To check whether the device was
* successfully removed, either recheck domain configuration using
* virDomainGetXMLDesc() or add handler for VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED
* event. In case the device is already gone when virDomainDetachDeviceFlags
* returns, the event is delivered before this API call ends. To help existing
* clients work better in most cases, this API will try to transform an
* asynchronous device removal that finishes shortly after the request into
* a synchronous removal. In other words, this API may wait a bit for the
* removal to complete in case it was not synchronous.
*
* Returns 0 in case of success, -1 in case of failure.
* Returns 0 in case of success, -1 in case of failure.
*/
*/
int
int
...
...
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