CloverBootloader/MdePkg/Library/BaseSynchronizationLib/InterlockedIncrementMsc.c
2019-09-03 12:58:42 +03:00

41 lines
941 B
C

/** @file
InterLockedIncrement function
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
/**
Microsoft Visual Studio 7.1 Function Prototypes for I/O Intrinsics.
**/
long _InterlockedIncrement(
long * lpAddend
);
#pragma intrinsic(_InterlockedIncrement)
/**
Performs an atomic increment of an 32-bit unsigned integer.
Performs an atomic increment of the 32-bit unsigned integer specified by
Value and returns the incremented value. The increment operation must be
performed using MP safe mechanisms. The state of the return value is not
guaranteed to be MP safe.
@param Value A pointer to the 32-bit value to increment.
@return The incremented value.
**/
UINT32
EFIAPI
InternalSyncIncrement (
IN volatile UINT32 *Value
)
{
return _InterlockedIncrement ((long *)(Value));
}