MdePkg/BaseSynchronizationLib: Add volatile Interlocked*() APIs

[mirror_edk2.git] / MdePkg / Library / BaseSynchronizationLib / Ia32 / InterlockedCompareExchange32.c

diff --git a/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedCompareExchange32.c b/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedCompareExchange32.c
index a2c683897046ed69cd91396eeeaac6da6677e1df..cf80ddef55787815cf2567b27abb3efcfaaf5859 100644 (file)
--- a/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedCompareExchange32.c
+++ b/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedCompareExchange32.c
@@ -1,7 +1,7 @@
 /** @file\r
   InterlockedCompareExchange32 function\r
 \r
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -35,7 +35,7 @@
 UINT32\r
 EFIAPI\r
 InternalSyncCompareExchange32 (\r
-  IN      UINT32                    *Value,\r
+  IN      volatile UINT32           *Value,\r
   IN      UINT32                    CompareValue,\r
   IN      UINT32                    ExchangeValue\r
   )\r