#if MONO using System;using System.Runtime;using System.Runtime.ConstrainedExecution;using System.Security;namespace System.Threading{    [__DynamicallyInvokable]    public static class Volatile    {        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static bool Read(ref bool location)        {            bool result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static sbyte Read(ref sbyte location)        {            sbyte result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static byte Read(ref byte location)        {            byte result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static short Read(ref short location)        {            short result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static ushort Read(ref ushort location)        {            ushort result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static int Read(ref int location)        {            int result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static uint Read(ref uint location)        {            uint result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static long Read(ref long location)        {            return Interlocked.CompareExchange(ref location, 0L, 0L);        }        [__DynamicallyInvokable, CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries"), SecuritySafeCritical]        public unsafe static ulong Read(ref ulong location)        {            fixed (ulong* ptr = &location)            {                return (ulong)Interlocked.CompareExchange(ref *(long*)ptr, 0L, 0L);            }        }        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static IntPtr Read(ref IntPtr location)        {            IntPtr result = location;            Thread.MemoryBarrier();            return result;        }        [CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static UIntPtr Read(ref UIntPtr location)        {            UIntPtr result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static float Read(ref float location)        {            float result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static double Read(ref double location)        {            return Interlocked.CompareExchange(ref location, 0.0, 0.0);        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries"), SecuritySafeCritical]        public static T Read<T>(ref T location) where T : class        {            T result = location;            Thread.MemoryBarrier();            return result;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref bool location, bool value)        {            Thread.MemoryBarrier();            location = value;        }        [__DynamicallyInvokable, CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref sbyte location, sbyte value)        {            Thread.MemoryBarrier();            location = value;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref byte location, byte value)        {            Thread.MemoryBarrier();            location = value;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref short location, short value)        {            Thread.MemoryBarrier();            location = value;        }        [__DynamicallyInvokable, CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref ushort location, ushort value)        {            Thread.MemoryBarrier();            location = value;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref int location, int value)        {            Thread.MemoryBarrier();            location = value;        }        [__DynamicallyInvokable, CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref uint location, uint value)        {            Thread.MemoryBarrier();            location = value;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref long location, long value)        {            Interlocked.Exchange(ref location, value);        }        [__DynamicallyInvokable, CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries"), SecuritySafeCritical]        public unsafe static void Write(ref ulong location, ulong value)        {            fixed (ulong* ptr = &location)            {                Interlocked.Exchange(ref *(long*)ptr, (long)value);            }        }        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref IntPtr location, IntPtr value)        {            Thread.MemoryBarrier();            location = value;        }        [CLSCompliant(false), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref UIntPtr location, UIntPtr value)        {            Thread.MemoryBarrier();            location = value;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref float location, float value)        {            Thread.MemoryBarrier();            location = value;        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]        public static void Write(ref double location, double value)        {            Interlocked.Exchange(ref location, value);        }        [__DynamicallyInvokable, ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries"), SecuritySafeCritical]        public static void Write<T>(ref T location, T value) where T : class        {            Thread.MemoryBarrier();            location = value;        }    }} #endif