1 files changed, 69 insertions, 0 deletions
diff --git a/AVStream/avscamera/sys/Waitable.cpp b/AVStream/avscamera/sys/Waitable.cpp
new file mode 100644
index 00000000..1de5827a
--- /dev/null
+++ b/AVStream/avscamera/sys/Waitable.cpp
@@ -0,0 +1,69 @@
+/**************************************************************************
+
+    A/V Stream Camera Sample
+
+    Copyright (c) 2014, Microsoft Corporation.
+
+    File:
+
+        waitable.cpp
+
+    Abstract:
+
+        Base interface for any object that is waitable.
+        In otherwords, it contains a kernel dispatch object.
+
+    History:
+
+        created 5/30/2014
+
+**************************************************************************/
+
+#include "Common.h"
+
+KWaitable::
+KWaitable()
+{}
+
+
+KWaitable::
+~KWaitable()
+{}
+
+NTSTATUS
+KWaitable::
+Wait(
+    _In_opt_    PLARGE_INTEGER Timeout
+)
+/*++
+
+Routine Description:
+
+    Default Wait implementation.
+
+Arguments:
+
+    Timeout - 
+        An optional timeout value in 100ns units.  Negative is relative time.  
+        If NULL, wait forever.
+
+Return Value:
+
+    Success / Failure.
+
+--*/
+{
+    PVOID   pObj = GetDispatchObject() ;
+
+    if(pObj != NULL)
+    {
+        return
+            KeWaitForSingleObject(
+                pObj,
+                Executive,
+                KernelMode,
+                FALSE,
+                Timeout);
+    }
+    return STATUS_SUCCESS;
+}