using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.ConstrainedExecution;
using System.Runtime.CompilerServices;
using System.Runtime;
using System.Runtime.InteropServices;
using System.Security;

namespace RomCheater.UserSettingsSupport
{
[SecuritySafeCritical]
public static class Interlocked
{
    // Methods
    [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
    public static int Add(ref int location1, int value)
    {
        return location1 = location1 + value;
    }

    [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
    public static long Add(ref long location1, long value)
    {
        return location1 = location1 + value;
    }

    [MethodImpl(MethodImplOptions.InternalCall), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    public static extern int CompareExchange(ref int location1, int value, int comparand);
    [ComVisible(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    public static T CompareExchange<T>(ref T location1, T value, T comparand) where T: class
    {
        T location1_original_value = location1;
        location1 = (location1 == comparand) ? value : location1;
        return location1_original_value;
    }

    [MethodImpl(MethodImplOptions.InternalCall)]
    public static extern double CompareExchange(ref double location1, double value, double comparand);
    [MethodImpl(MethodImplOptions.InternalCall)]
    public static extern long CompareExchange(ref long location1, long value, long comparand);
    [MethodImpl(MethodImplOptions.InternalCall), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    public static extern IntPtr CompareExchange(ref IntPtr location1, IntPtr value, IntPtr comparand);
    [MethodImpl(MethodImplOptions.InternalCall), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    public static extern object CompareExchange(ref object location1, object value, object comparand);
    [MethodImpl(MethodImplOptions.InternalCall)]
    public static extern float CompareExchange(ref float location1, float value, float comparand);
    [MethodImpl(MethodImplOptions.InternalCall), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    internal static extern int CompareExchange(ref int location1, int value, int comparand, ref bool succeeded);
    [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries"), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    public static int Decrement(ref int location)
    {
        return location--;
    }

    [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
    public static long Decrement(ref long location)
    {
        return location--;
    }

    [MethodImpl(MethodImplOptions.InternalCall)]
    public static extern double Exchange(ref double location1, double value);
    [MethodImpl(MethodImplOptions.InternalCall), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    public static extern int Exchange(ref int location1, int value);
    [MethodImpl(MethodImplOptions.InternalCall)]
    public static extern long Exchange(ref long location1, long value);
    [MethodImpl(MethodImplOptions.InternalCall), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    public static extern IntPtr Exchange(ref IntPtr location1, IntPtr value);
    [MethodImpl(MethodImplOptions.InternalCall), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    public static extern object Exchange(ref object location1, object value);
    [MethodImpl(MethodImplOptions.InternalCall)]
    public static extern float Exchange(ref float location1, float value);
    [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), ComVisible(false)]
    public static T Exchange<T>(ref T location1, T value) where T: class
    {
        return location1 = value;
    }

    [MethodImpl(MethodImplOptions.InternalCall), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
    internal static extern int ExchangeAdd(ref int location1, int value);
    [MethodImpl(MethodImplOptions.InternalCall)]
    internal static extern long ExchangeAdd(ref long location1, long value);
    [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
    public static int Increment(ref int location)
    {
        return location++;
    }

    [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
    public static long Increment(ref long location)
    {
        return location++;
    }

    public static long Read(ref long location)
    {
        return location;
    }
}
 

}