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Date: Thu, 8 Aug 2019 10:25:28 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: Biswapriyo Nath <nathbappai AT gmail DOT com>
Cc: cygwin AT cygwin DOT com
Subject: Re: Use poll with Windows socket
Message-ID: <20190808082528.GG11632@calimero.vinschen.de>
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On Aug  8 02:39, Biswapriyo Nath wrote:
> I've tried to use poll() with a Windows socket (from WSASocket) and a
> cygwin side file descriptor (fd). But it is only signaled for fd only.
>=20
> At first, I have seen that fhandler_socket_wsock::set_socket_handle() cas=
ts
> SOCKET to int. So, is it possible to use poll() with the SOCKET type? Or =
Is
> there any magic to convert Windows socket to cygwin fd and vice-versa?

No, you can't do that.  The Cygwin poll call requires a Cygwin socket,
otherwise all the bookkeeping stuff fails.


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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