[aandrejevic] 61215: [NTVDM] Also serialize access to KeyboardQueueEmpty.

Author: aandrejevic
Date: Wed Dec  4 00:43:11 2013
New Revision: 61215

URL: http://svn.reactos.org/svn/reactos?rev=61215&view=rev
Log:
[NTVDM]
Also serialize access to KeyboardQueueEmpty.

Modified:
    branches/ntvdm/subsystems/ntvdm/ps2.c

Modified: branches/ntvdm/subsystems/ntvdm/ps2.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/ps2.c?rev...
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/ps2.c	[iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/ps2.c	[iso-8859-1] Wed Dec  4 00:43:11 2013
@@ -93,8 +93,12 @@
 {
     BYTE Status = 0;

+    WaitForSingleObject(QueueMutex, INFINITE);
+
     /* Set the first bit if the data can be read */
     if (KeyboardReadResponse || !KeyboardQueueEmpty) Status |= 1 << 0;
+
+    ReleaseMutex(QueueMutex);

/* Always set bit 2 */
     Status |= 1 << 2;