From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail231.csoft.net (mail231.csoft.net [96.47.74.235]) by sourceware.org (Postfix) with ESMTPS id 3F39C3858D20 for ; Fri, 5 May 2023 04:46:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 3F39C3858D20 Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=jdrake.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=jdrake.com Received: from mail231.csoft.net (localhost [127.0.0.1]) by mail231.csoft.net (Postfix) with ESMTP id 11636CC05; Fri, 5 May 2023 00:46:51 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=jdrake.com; h=date:from:to :cc:subject:in-reply-to:message-id:references:mime-version :content-type; s=csoft; bh=MASi3Xf/N7Q44aJASlA+ka5CsFU=; b=J3hr1 C5SCKKpqnJfg6LFnQpEythrDxLQTkrBgilB/M0mh2B/y2MWGMgck2hsWhO6/OEko PCM8Uwq50RjG6+BkSuKGA5GIns7igSuIsWGgFhOHwe23LxQdFg/QGa77Eq4ST9X2 F41LeSR2dn+WQNZZKM2qmxGwYhHsYSKgK/n0+g= Received: from mail231 (mail231 [96.47.74.235]) (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits)) (No client certificate requested) (Authenticated sender: jeremyd) by mail231.csoft.net (Postfix) with ESMTPSA id 0E741CBFC; Fri, 5 May 2023 00:46:51 -0400 (EDT) Date: Thu, 4 May 2023 21:46:50 -0700 (PDT) From: Jeremy Drake X-X-Sender: jeremyd@resin.csoft.net To: "Kacvinsky, Tom" cc: "cygwin-developers@cygwin.com" Subject: RE: stdin, stdout, stderr when GUI app is launched from command line In-Reply-To: Message-ID: References: User-Agent: Alpine 2.21 (BSO 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,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 Fri, 5 May 2023, Kacvinsky, Tom wrote: > We embed Python in our product, so maybe the issue is with that. I'm > nor certain of that, though. But thanks for the pointer. To be clear, I wasn't suggesting that Python has anything to do with this. That is just another case where I remember invalid standard handles showing up when running a GUI (-mwindows) executable from Cygwin, that resulted in some in-depth investigation that might shed light on how you could end up with invalid handle traps in App Verifier.