AtomicUInt32
Various atomic operations for UInt32 data type
accessible as extension methods.
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Threading;
namespace DotNext.Threading
{
[CLSCompliant(false)]
public static class AtomicUInt32
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint VolatileRead([In] [IsReadOnly] ref uint value)
{
return Volatile.Read(ref Unsafe.AsRef(ref value));
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void VolatileWrite(ref uint value, uint newValue)
{
Volatile.Write(ref value, newValue);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint IncrementAndGet(ref uint value)
{
return Interlocked.Increment(ref value);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint DecrementAndGet(ref uint value)
{
return Interlocked.Decrement(ref value);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool CompareAndSet(ref uint value, uint expected, uint update)
{
return Interlocked.CompareExchange(ref value, update, expected) == expected;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint AddAndGet(ref uint value, uint operand)
{
return Interlocked.Add(ref value, operand);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint GetAndAdd(ref uint value, uint operand)
{
return Accumulate(ref value, operand, default(Adder)).OldValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint GetAndBitwiseAnd(ref uint value, uint operand)
{
return Interlocked.And(ref value, operand);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint BitwiseAndAndGet(ref uint value, uint operand)
{
return Interlocked.And(ref value, operand) & operand;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint GetAndBitwiseOr(ref uint value, uint operand)
{
return Interlocked.Or(ref value, operand);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint BitwiseOrAndGet(ref uint value, uint operand)
{
return Interlocked.Or(ref value, operand) | operand;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint GetAndBitwiseXor(ref uint value, uint operand)
{
return Accumulate(ref value, operand, default(BitwiseXor)).OldValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint BitwiseXorAndGet(ref uint value, uint operand)
{
return Accumulate(ref value, operand, default(BitwiseXor)).NewValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint GetAndSet(ref uint value, uint update)
{
return Interlocked.Exchange(ref value, update);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint SetAndGet(ref uint value, uint update)
{
ref value.VolatileWrite(update);
return update;
}
private static (uint OldValue, uint NewValue) Update<TUpdater>(ref uint value, TUpdater updater) where TUpdater : struct, ISupplier<uint, uint>
{
uint num = Volatile.Read(ref value);
uint num3;
uint num2;
do {
num3 = ((ISupplier<uint, uint>)updater).Invoke(num2 = num);
} while ((num = Interlocked.CompareExchange(ref value, num3, num2)) != num2);
return (num2, num3);
}
private static (uint OldValue, uint NewValue) Accumulate<TAccumulator>(ref uint value, uint x, TAccumulator accumulator) where TAccumulator : struct, ISupplier<uint, uint, uint>
{
uint num = Volatile.Read(ref value);
uint num3;
uint num2;
do {
num3 = ((ISupplier<uint, uint, uint>)accumulator).Invoke(num2 = num, x);
} while ((num = Interlocked.CompareExchange(ref value, num3, num2)) != num2);
return (num2, num3);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[System.Runtime.CompilerServices.NullableContext(1)]
public static uint AccumulateAndGet(ref uint value, uint x, Func<uint, uint, uint> accumulator)
{
return Accumulate(ref value, x, (DelegatingSupplier<uint, uint, uint>)accumulator).NewValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint AccumulateAndGet(ref uint value, uint x, IntPtr accumulator)
{
return Accumulate(ref value, x, (Supplier<uint, uint, uint>)(long)accumulator).NewValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[System.Runtime.CompilerServices.NullableContext(1)]
public static uint GetAndAccumulate(ref uint value, uint x, Func<uint, uint, uint> accumulator)
{
return Accumulate(ref value, x, (DelegatingSupplier<uint, uint, uint>)accumulator).OldValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint GetAndAccumulate(ref uint value, uint x, IntPtr accumulator)
{
return Accumulate(ref value, x, (Supplier<uint, uint, uint>)(long)accumulator).OldValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[System.Runtime.CompilerServices.NullableContext(1)]
public static uint UpdateAndGet(ref uint value, Func<uint, uint> updater)
{
return Update(ref value, (DelegatingSupplier<uint, uint>)updater).NewValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint UpdateAndGet(ref uint value, IntPtr updater)
{
return Update(ref value, (Supplier<uint, uint>)(long)updater).NewValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[System.Runtime.CompilerServices.NullableContext(1)]
public static uint GetAndUpdate(ref uint value, Func<uint, uint> updater)
{
return Update(ref value, (DelegatingSupplier<uint, uint>)updater).OldValue;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static uint GetAndUpdate(ref uint value, IntPtr updater)
{
return Update(ref value, (Supplier<uint, uint>)(long)updater).OldValue;
}
}
}