Add a lock to protect the critical region in Service APIs for UEFI Runtime Variable...

[mirror_edk2.git] / EdkModulePkg / Universal / Variable / RuntimeDxe / Variable.h

diff --git a/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.h b/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.h
index 014df50c3d0dfc6049056639cf1a30ba4d0571e8..790b3dc50a2aeda1207403b5cdfde20373ae24a4 100644 (file)
--- a/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.h
+++ b/EdkModulePkg/Universal/Variable/RuntimeDxe/Variable.h
@@ -1,6 +1,6 @@
 /*++\r
 \r
-Copyright (c) 2006, Intel Corporation                                                         \r
+Copyright (c) 2006 - 2007, Intel Corporation                                                         \r
 All rights reserved. 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
@@ -66,15 +66,18 @@ typedef struct {
 typedef struct {\r
   EFI_PHYSICAL_ADDRESS  VolatileVariableBase;\r
   EFI_PHYSICAL_ADDRESS  NonVolatileVariableBase;\r
+  EFI_LOCK              VariableServicesLock;\r
 } VARIABLE_GLOBAL;\r
 \r
 typedef struct {\r
-  VARIABLE_GLOBAL VariableBase[2];\r
+  VARIABLE_GLOBAL VariableGlobal[2];\r
   UINTN           VolatileLastVariableOffset;\r
   UINTN           NonVolatileLastVariableOffset;\r
   UINT32          FvbInstance;\r
 } ESAL_VARIABLE_GLOBAL;\r
 \r
+extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;\r
+\r
 //\r
 // Functions\r
 //\r