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 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();
}
}
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 GetModifiedPages(
IntPtr address,
IntPtr size,
IntPtr[] addresses,
out ulong count)
{
// This is only supported on windows, but returning
// false (failed) is also valid for platforms without
// write tracking support on the OS.
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
return(MemoryManagementWindows.GetModifiedPages(address, size, addresses, out count));
}
else
{
count = 0;
return(false);
}
}