/** @file\r
Provides synchronization functions.\r
\r
-Copyright (c) 2006 - 2012, 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
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
optimal spin lock performance.\r
\r
This function retrieves the spin lock alignment requirements for optimal\r
- performance on a given CPU architecture. The spin lock alignment is byte alignment. \r
+ performance on a given CPU architecture. The spin lock alignment is byte alignment.\r
It must be a power of two and is returned by this function. If there are no alignment\r
requirements, then 1 must be returned. The spin lock synchronization\r
functions must function correctly if the spin lock size and alignment values\r
\r
Performs an atomic increment of the 32-bit unsigned integer specified by\r
Value and returns the incremented value. The increment operation must be\r
- performed using MP safe mechanisms. The state of the return value is not\r
- guaranteed to be MP safe.\r
+ performed using MP safe mechanisms.\r
\r
If Value is NULL, then ASSERT().\r
\r
UINT32\r
EFIAPI\r
InterlockedIncrement (\r
- IN UINT32 *Value\r
+ IN volatile UINT32 *Value\r
);\r
\r
\r
\r
Performs an atomic decrement of the 32-bit unsigned integer specified by\r
Value and returns the decremented value. The decrement operation must be\r
- performed using MP safe mechanisms. The state of the return value is not\r
- guaranteed to be MP safe.\r
+ performed using MP safe mechanisms.\r
\r
If Value is NULL, then ASSERT().\r
\r
UINT32\r
EFIAPI\r
InterlockedDecrement (\r
- IN UINT32 *Value\r
+ IN volatile UINT32 *Value\r
);\r
\r
\r
UINT16\r
EFIAPI\r
InterlockedCompareExchange16 (\r
- IN OUT UINT16 *Value,\r
+ IN OUT volatile UINT16 *Value,\r
IN UINT16 CompareValue,\r
IN UINT16 ExchangeValue\r
);\r
UINT32\r
EFIAPI\r
InterlockedCompareExchange32 (\r
- IN OUT UINT32 *Value,\r
+ IN OUT volatile UINT32 *Value,\r
IN UINT32 CompareValue,\r
IN UINT32 ExchangeValue\r
);\r
UINT64\r
EFIAPI\r
InterlockedCompareExchange64 (\r
- IN OUT UINT64 *Value,\r
+ IN OUT volatile UINT64 *Value,\r
IN UINT64 CompareValue,\r
IN UINT64 ExchangeValue\r
);\r
VOID *\r
EFIAPI\r
InterlockedCompareExchangePointer (\r
- IN OUT VOID **Value,\r
+ IN OUT VOID * volatile *Value,\r
IN VOID *CompareValue,\r
IN VOID *ExchangeValue\r
);\r