destroy: Implement internal API for libxl driver

src/libxl/libxl_driver.c

@@ -1526,13 +1526,16 @@ cleanup:
 }
 
 static int
-libxlDomainDestroy(virDomainPtr dom)
+libxlDomainDestroyFlags(virDomainPtr dom,
+                        unsigned int flags)
 {
     libxlDriverPrivatePtr driver = dom->conn->privateData;
     virDomainObjPtr vm;
     int ret = -1;
     virDomainEventPtr event = NULL;
 
+    virCheckFlags(0, -1);
+
     libxlDriverLock(driver);
     vm = virDomainFindByUUID(&driver->domains, dom->uuid);
     if (!vm) {
@@ -1574,6 +1577,12 @@ cleanup:
     return ret;
 }
 
+static int
+libxlDomainDestroy(virDomainPtr dom)
+{
+    return libxlDomainDestroyFlags(dom, 0);
+}
+
 static char *
 libxlDomainGetOSType(virDomainPtr dom)
 {
@@ -3842,6 +3851,7 @@ static virDriver libxlDriver = {
     .domainShutdown = libxlDomainShutdown, /* 0.9.0 */
     .domainReboot = libxlDomainReboot, /* 0.9.0 */
     .domainDestroy = libxlDomainDestroy, /* 0.9.0 */
+    .domainDestroyFlags = libxlDomainDestroyFlags, /* 0.9.4 */
     .domainGetOSType = libxlDomainGetOSType, /* 0.9.0 */
     .domainGetMaxMemory = libxlDomainGetMaxMemory, /* 0.9.0 */
     .domainSetMaxMemory = libxlDomainSetMaxMemory, /* 0.9.2 */