// Fill output (modify *Handles)
// - Also, de-register
ret = VFS_int_Select_Deregister(thisthread, MaxHandle, ReadHandles, 0, IsKernel);
ret += VFS_int_Select_Deregister(thisthread, MaxHandle, WriteHandles, 1, IsKernel);
ret += VFS_int_Select_Deregister(thisthread, MaxHandle, ErrHandles, 2, IsKernel);
// Fill output (modify *Handles)
// - Also, de-register
ret = VFS_int_Select_Deregister(thisthread, MaxHandle, ReadHandles, 0, IsKernel);
ret += VFS_int_Select_Deregister(thisthread, MaxHandle, WriteHandles, 1, IsKernel);
ret += VFS_int_Select_Deregister(thisthread, MaxHandle, ErrHandles, 2, IsKernel);