commit 6c1dddaf97b4ef70e27961c9f79b15c79a863ac5
Author: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Date:   Sat Jan 18 03:37:42 2020 +0100

    libxl: initialize shutdown inhibit callback
    
    The libxl driver already tries to call shutdown inhibit callback in the
    right places, but only if it's set. That last part was missing,
    resulting in premature shutdown when running libvirtd
    --timeout=...
    
    Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
    Reviewed-by: Jim Fehlig <jfehlig@suse.com>

Index: libvirt-6.0.0/src/libxl/libxl_driver.c
===================================================================
--- libvirt-6.0.0.orig/src/libxl/libxl_driver.c
+++ libvirt-6.0.0/src/libxl/libxl_driver.c
@@ -648,8 +648,8 @@ libxlAddDom0(libxlDriverPrivatePtr drive
 
 static int
 libxlStateInitialize(bool privileged,
-                     virStateInhibitCallback callback G_GNUC_UNUSED,
-                     void *opaque G_GNUC_UNUSED)
+                     virStateInhibitCallback callback,
+                     void *opaque)
 {
     libxlDriverConfigPtr cfg;
     char *driverConf = NULL;
@@ -670,6 +670,9 @@ libxlStateInitialize(bool privileged,
         return VIR_DRV_STATE_INIT_ERROR;
     }
 
+    libxl_driver->inhibitCallback = callback;
+    libxl_driver->inhibitOpaque = opaque;
+
     /* Allocate bitmap for vnc port reservation */
     if (!(libxl_driver->reservedGraphicsPorts =
           virPortAllocatorRangeNew(_("VNC"),