Socket is defined as holding a CInt, but on Windows SOCKET is an unsigned 64 bit value, usually UINT_PTR. See [1] and [2] this means we may truncate a valid SOCKET to something invalid.

[1] https://sourceforge.net/p/mingw-w64/mingw-w64/ci/master/tree/mingw-w64-headers/include/psdk_inc/_socket_types.h
[2] https://docs.microsoft.com/en-us/windows/win32/winsock/socket-data-type-2