From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from m0.truegem.net (m0.truegem.net [69.55.228.47]) by sourceware.org (Postfix) with ESMTPS id F41983858D37 for ; Mon, 4 Mar 2024 06:59:01 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org F41983858D37 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=maxrnd.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=maxrnd.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org F41983858D37 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=69.55.228.47 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709535543; cv=none; b=OtRfReWbiqe1ZTpUFHeOo0U8MtdzxVt0ZLWlllnwwt+InCzwae1c59DcgnHFr/8jtmFYTWjBvJUzqSw9pqqgyTh8wioTXAcFQMsHTpDQl1cjAF82yxSfFjSA8HLDzQ3a3CzVLvh7JyVm7j4eDXtBmXP6QJLraq6+VzcXfrzK0iA= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709535543; c=relaxed/simple; bh=YYqFNiPp7GIsbtwxGTaS2nrj7fecej2XCX19yagwpe8=; h=Message-ID:Date:MIME-Version:Subject:To:From; b=w+4dXJzSbtaaZPRCIxq8uFXVt5gzSCiLHZ5SaL7Q+DcWRTQHmi2PD5WENZC2ehcPZasLaw29xIwvuRF2zKa2/NS/jlBxL3lHnQEso2lskVTk95QtqZnPxDNPde977+zjJDQL7SPX74Zx9ULui+RXqjn5gOBfdAdhLY3J/Ib9AtI= ARC-Authentication-Results: i=1; server2.sourceware.org Received: (from daemon@localhost) by m0.truegem.net (8.12.11/8.12.11) id 42474rX4088568 for ; Sun, 3 Mar 2024 23:04:53 -0800 (PST) (envelope-from mark@maxrnd.com) Received: from 50-1-245-188.fiber.dynamic.sonic.net(50.1.245.188), claiming to be "[192.168.4.101]" via SMTP by m0.truegem.net, id smtpdvk0l2I; Sun Mar 3 23:04:44 2024 Message-ID: <9a74d651-0de6-4ec9-a49f-f1b31309c5a3@maxrnd.com> Date: Sun, 3 Mar 2024 22:59:00 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Convert a file descriptor from Cygwin openat() to Win32 file HANDLE? Content-Language: en-US To: cygwin@cygwin.com References: From: Mark Geisert In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 3/3/2024 10:16 PM, Cedric Blancher via Cygwin wrote: > > How can I convert a file descriptor from Cygwin openat() to Win32 file HANDLE? In general, this can be done with: hFile = (HANDLE) _get_osfhandle (int fd); That works for simple cases such as disk file descriptors. I've learned one can't always depend on it because Cygwin can use several handles for a specific file or other object in certain situations, which I'm not going to list here because I don't know them all. Try that and see if it works for your case. ..mark