wintun/atomic.h
Jason A. Donenfeld 28ba2d4600 Separate out atomic helpers
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-08-02 09:43:32 +00:00

54 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2018-2019 WireGuard LLC. All Rights Reserved.
*/
#pragma once
#include <wdm.h>
static __forceinline VOID
InterlockedSet(_Inout_ _Interlocked_operand_ LONG volatile *Target, _In_ LONG Value)
{
*Target = Value;
}
static __forceinline VOID
InterlockedSetU(_Inout_ _Interlocked_operand_ ULONG volatile *Target, _In_ ULONG Value)
{
*Target = Value;
}
static __forceinline VOID
InterlockedSetPointer(_Inout_ _Interlocked_operand_ VOID *volatile *Target, _In_opt_ VOID *Value)
{
*Target = Value;
}
static __forceinline LONG
InterlockedGet(_In_ _Interlocked_operand_ LONG volatile *Value)
{
return *Value;
}
static __forceinline ULONG
InterlockedGetU(_In_ _Interlocked_operand_ ULONG volatile *Value)
{
return *Value;
}
static __forceinline PVOID
InterlockedGetPointer(_In_ _Interlocked_operand_ PVOID volatile *Value)
{
return *Value;
}
static __forceinline LONG64
InterlockedGet64(_In_ _Interlocked_operand_ LONG64 volatile *Value)
{
#ifdef _WIN64
return *Value;
#else
return InterlockedCompareExchange64(Value, 0, 0);
#endif
}