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using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace ARMeilleure.Memory
{
public static class MemoryManagement
{
public static IntPtr Allocate(ulong size)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
IntPtr sizeNint = new IntPtr((long)size);
return MemoryManagementWindows.Allocate(sizeNint);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ||
RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return MemoryManagementUnix.Allocate(size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static IntPtr AllocateWriteTracked(ulong size)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
IntPtr sizeNint = new IntPtr((long)size);
return MemoryManagementWindows.AllocateWriteTracked(sizeNint);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ||
RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return MemoryManagementUnix.Allocate(size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static bool Commit(IntPtr address, ulong size)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
IntPtr sizeNint = new IntPtr((long)size);
return MemoryManagementWindows.Commit(address, sizeNint);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ||
RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return MemoryManagementUnix.Commit(address, size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void Reprotect(IntPtr address, ulong size, MemoryProtection permission)
{
bool result;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
IntPtr sizeNint = new IntPtr((long)size);
result = MemoryManagementWindows.Reprotect(address, sizeNint, permission);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ||
RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
result = MemoryManagementUnix.Reprotect(address, size, permission);
}
else
{
throw new PlatformNotSupportedException();
}
if (!result)
{
throw new MemoryProtectionException(permission);
}
}
public static IntPtr Reserve(ulong size)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
IntPtr sizeNint = new IntPtr((long)size);
return MemoryManagementWindows.Reserve(sizeNint);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ||
RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return MemoryManagementUnix.Reserve(size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static bool Free(IntPtr address)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
return MemoryManagementWindows.Free(address);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ||
RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return MemoryManagementUnix.Free(address);
}
else
{
throw new PlatformNotSupportedException();
}
}
}
}
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