C#

dybs wrote:

C#

unsafe
{  
  IntPtr unmanagedArr = Marshal.AllocHGlobal(arr.Length * sizeof(int));  
  Marshal.Copy(arr, 0, unmanagedArr, arr.Length);  
  for(int i = 0; i < length; i += stepSize)  
  {    
    // Ignore bounds checking for now, this is just conceptual.    
    foo(new IntPtr(unmanagedArr.ToInt64() + i), stepSize);  
  }  
  Marshal.Copy(unmanagedArr, arr, 0, arr.Length);  
  Marshal.FreeHGlobal(unmanagedArr);
}

int[] managedInput = SomeFunctionThatReturnsAnIntArray();
GCHandle arrayHandle = GCHandle.Alloc(managedInput, GCHandleType.Pinned);
IntPtr arrayPtr = arrayHandle.AddrOfPinnedObject();
long arrayAddr = arrayPtr.ToInt64();
for(int i =0 ; i < length; i += stepSize)
{
  foo(new IntPtr(arrayAddr + (i * sizeof(int))), stepSize);
}
arrayHandle.Free();

scoket wrote:

Thread[] mythread = new Thread[Count];

PIEBALDconsult wrote:

they're generally not very appropriate for production applications