From 4ae804b3ec8a6129e3f02cb89166dadd5332f9eb Mon Sep 17 00:00:00 2001
From: Marek Marczykowski <marmarek@mimuw.edu.pl>
Date: Fri, 8 Apr 2011 22:32:38 +0200
Subject: [PATCH] Wait for qubes-session initialization before executing GUI
 application (#208)

---
 dom0/qvm-tools/qvm-run | 35 ++++++++++++++++++++---------------
 1 file changed, 20 insertions(+), 15 deletions(-)

diff --git a/dom0/qvm-tools/qvm-run b/dom0/qvm-tools/qvm-run
index bafe3a79..db5f2ecb 100755
--- a/dom0/qvm-tools/qvm-run
+++ b/dom0/qvm-tools/qvm-run
@@ -57,6 +57,24 @@ def actually_execute(domid, cmd, options):
     args += ["-e"]
     subprocess.call(args)
 
+def start_guid(vm, options):
+    if options.verbose:
+        print "--> Starting Qubes GUId..."
+    xid = vm.get_xid()
+
+    retcode = subprocess.call ([qubes_guid_path, "-d", str(xid), "-c", vm.label.color, "-i", vm.label.icon, "-l", str(vm.label.index)])
+    if (retcode != 0) :
+        print "ERROR: Cannot start qubes_guid!"
+        if options.tray:
+            tray_notify_error ("ERROR: Cannot start qubes_guid!")
+        exit (1)
+
+    if options.verbose:
+        print "--> Waiting for qubes-session..."
+
+    subprocess.call([qrexec_client_path, "-d", str(xid), "user:echo $$ >> /tmp/qubes-session-waiter; [ ! -f /tmp/qubes-session-env ] && exec sleep 365d"])
+
+
 def vm_run_cmd(vm, cmd, options):
     if options.shutdown:
         if options.verbose:
@@ -103,27 +121,14 @@ def vm_run_cmd(vm, cmd, options):
             exit (1)
 
         if os.getenv("DISPLAY") is not None:
-            if options.verbose:
-                print "--> Starting Qubes GUId..."
-
-            retcode = subprocess.call ([qubes_guid_path, "-d", str(xid), "-c", vm.label.color, "-i", vm.label.icon, "-l", str(vm.label.index)])
-            if (retcode != 0) :
-                print "ERROR: Cannot start qubes_guid!"
-                if options.tray:
-                    tray_notify_error ("ERROR: Cannot start qubes_guid!")
-                exit (1)
+            start_guid(vm, options)
 
         actually_execute(str(xid), cmd, options);
 
     else: # VM already running...
         xid = vm.get_xid()
         if os.getenv("DISPLAY") is not None and not os.path.isfile("/var/run/qubes/guid_running.{0}".format(xid)):
-            retcode = subprocess.call ([qubes_guid_path, "-d", str(xid), "-c", vm.label.color, "-i", vm.label.icon, "-l", str(vm.label.index)])
-            if (retcode != 0) :
-                print "ERROR: Cannot start qubes_guid!"
-                if options.tray:
-                    tray_notify_error ("ERROR: Cannot start the GUI daemon for this VM!")
-                exit (1)
+            start_guid(vm, options)
         actually_execute(str(xid), cmd, options);
 
 def main():