From 7d5c202eddde517fe5546452d83c36cf42381f8a Mon Sep 17 00:00:00 2001
From: Julia D'Zmura <78620953+judzmura@users.noreply.github.com>
Date: Tue, 7 Mar 2023 11:32:48 -0800
Subject: Adding the AudioCodec ACX sample driver to Github. (#882)

* Adding the AudioCodec acx sample driver to Github.

* Fix to make AudioCodec driver all build in one solution file. Builds in ARM64 now.
---
 audio/Acx/Samples/Inc/cpp_utils.h | 71 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 audio/Acx/Samples/Inc/cpp_utils.h

(limited to 'audio/Acx/Samples/Inc/cpp_utils.h')

diff --git a/audio/Acx/Samples/Inc/cpp_utils.h b/audio/Acx/Samples/Inc/cpp_utils.h
new file mode 100644
index 00000000..f4ed6220
--- /dev/null
+++ b/audio/Acx/Samples/Inc/cpp_utils.h
@@ -0,0 +1,71 @@
+/*++
+
+Copyright (c) Microsoft Corporation.  All rights reserved.
+
+    THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
+    KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
+    PURPOSE.
+
+Module Name:
+
+    cpp_utils.h
+
+Abstract:
+
+    Contains CPP utilities
+
+Environment:
+
+    Kernel mode
+
+--*/
+
+#pragma once
+
+// Function scope_exit instantiates scope_exit object
+// Constructor accepts lamda as parameter.
+// Assign tasks in lamdba to be executed on scope exit.
+template <typename F>
+auto scope_exit(F f)
+{
+    class scope_exit
+    {
+    public:
+        scope_exit(F f) :
+            _f{ f }
+        {
+        }
+
+        ~scope_exit()
+        {
+            if (_call)
+            {
+                _f();
+            }
+        }
+
+        // Ensures the scope_exit lambda will not be called
+        void release()
+        {
+            _call = false;
+        }
+
+        // Executes the scope_exit lambda immediately if not yet run; ensures it will not run again
+        void reset()
+        {
+            if (_call)
+            {
+                _f();
+                _call = false;
+            }
+        }
+
+    private:
+        F _f;
+        bool _call = true;
+    };
+
+    return scope_exit{ f };
+};
+
-- 
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