DMARC-Filter: OpenDMARC Filter v1.4.2 delorie.com 58MAo9ut1418603 Authentication-Results: delorie.com; dmarc=pass (p=none dis=none) header.from=cygwin.com Authentication-Results: delorie.com; spf=pass smtp.mailfrom=cygwin.com DKIM-Filter: OpenDKIM Filter v2.11.0 delorie.com 58MAo9ut1418603 Authentication-Results: delorie.com; dkim=pass (1024-bit key, unprotected) header.d=cygwin.com header.i=@cygwin.com header.a=rsa-sha256 header.s=default header.b=Qt8o3JrE X-Recipient: archive-cygwin@delorie.com DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C981C3858412 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com; s=default; t=1758538208; bh=VQ3MWYRvUa/VP4XQ+aNQfq1RSJ1wDtfjE5NBYwqWeAE=; h=References:In-Reply-To:Date:Subject:To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=Qt8o3JrEpb0+5mWCZeFdXcbbbwR9KgrWrNjqpHJJlADf89h6SJf2JuGBes6BiWE1L SULppmuuksSuJQwbPHhrQsMwh6yI8RdPUl8GI6Jkuomqq71+8sC4RK0VeEmjExD1Nq iRiRv/IRyejJWdGkyUCHGjIgSfWKpLSb8+M3BmhE= X-Original-To: cygwin@cygwin.com Delivered-To: cygwin@cygwin.com DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org DA7C53858C2D ARC-Filter: OpenARC Filter v1.0.0 sourceware.org DA7C53858C2D ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1758538185; cv=none; b=jorXpj01uydNGJqcweTSUuUyxNmX9VuiIxswewLacJezEwwefh91hGF1/MJEjoG2sHL4v8T/g2ctzsjpXvLsXt8B+Ng6j/TQjPoqutTaGQZD+5f6g6W4LUH35yw5fxZ7rlzTBcgSYHoY3NcN5ptTt+a8yImwZr3a/14/WtJqUAI= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1758538185; c=relaxed/simple; bh=ox9EBXwkbQ92wdb30mVAN4Ki5/sdI0m9vbBP3uSUXlo=; h=DKIM-Signature:MIME-Version:From:Date:Message-ID:Subject:To; b=uJHkpnx4wIen073C3iVTNdykLein4btqkB1LzhVGz2CaSn63kwG07WyEkCWSJOqTmAz4LJtH8kzP8s2YvnuF1ltByasrReYJXZVdms8gTraZNMMDjAqolTXCTO8Sos1pAEsnJLawqXbpvAzVelaOozci1k5YhveffsJ77zkJMVg= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DA7C53858C2D X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758538183; x=1759142983; h=content-transfer-encoding:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ox9EBXwkbQ92wdb30mVAN4Ki5/sdI0m9vbBP3uSUXlo=; b=t5azdpQLNJGv/R+cIpwI7HmLIAgmggnNY49lFloh4VjjoPPhMg+zfTGHffVd9RwH2G mjpM1izj+yyD8SXKrjKdk7E+ndF0AEPRBR+fAYo9el/L2mBNUBRf5VAm6UP74puxA0dy PL5jAVaenjCwQpcxhI0AlAKaas5rZZ/RdzPc96sPfzmHtbV0AiWwhVzlVjIXFPEN1QVa 7+cuMSV1+znJYoPwyLBXPOU4KlxsLF7wtW/+hAwUyxgxgYUWHaMbGsX6SrJ2aF1Krg/Q 51KfUrqtYNSCyTGCVGMLZFV6E1AgG362J4u2QU76gP5oCWmfJMmVl5XS3jK3/TTQrpKq fyhA== X-Gm-Message-State: AOJu0YzK2+VbLQaeHa+XgEi5q60WSDzcR24M8hcXS57NXX4gxIX8Ykba DIk9MQNcp2Zrc+DdE4mKF7PnaDwCMT6J7ipr2grJn6fl1HmPxRKnJEySfkDd8O/tj6YyPLHz5Qw vcunMqAY8/GBltHmeD4+mHMTCutLWkHZw5m66 X-Gm-Gg: ASbGncumJ/+i8xxgZXqXV2Jq8CF5+EfjlXJtH71fy14t14z29eMItHQw1+AYQWMOYh0 k+zzhdtryd9j6lm8CD5NSFLchpHWTn3mYRhFgG3j+1NtbDgWHSRiu270CnytvEKGaQ0Mfu+4bXz vgGsajzBFRBlGQgM3jDMCOXGoZs7odZHfmFheMpRNIrHO4Ekq+LvYXq10KYEtww+vJJLk87Uuw3 xs2pmg= X-Google-Smtp-Source: AGHT+IFXINJOCbjoZqklqlF/aXb9BQheKDigU0cB7GQDbZlAGbFL3I1iWlvLqRNJf/CfhnIw2ZCyY5zCiYl+yTQW/Hg= X-Received: by 2002:a05:6402:5048:b0:62f:947c:ace2 with SMTP id 4fb4d7f45d1cf-62fc0aa1d73mr11432662a12.35.1758538182567; Mon, 22 Sep 2025 03:49:42 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Mon, 22 Sep 2025 12:49:06 +0200 X-Gm-Features: AS18NWDaspNFx3WsEZ4dx_JeoxpjRPHIEUD86wigzjSFn9SBBlliz_EQbCynSGA Message-ID: Subject: Re: Why does Cygwin not use MiCloneProcessAddressSpace() for fork() To: cygwin@cygwin.com X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.30 List-Id: General Cygwin discussions and problem reports List-Archive: List-Post: List-Help: List-Subscribe: , From: Mark Liam Brown via Cygwin Reply-To: Mark Liam Brown Content-Type: text/plain; charset="utf-8" Sender: "Cygwin" Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by delorie.com id 58MAo9ut1418603 On Mon, Sep 22, 2025 at 12:35 PM Mark Liam Brown wrote: > > Greetings! > > Why does Cygwin not use MiCloneProcessAddressSpace() for fork()? That > function was added for the Windows Services for UNIX, and it still > working in Windows 11. This is exposed to the userspace as NtCreateProcessEx() as documented in https://github.com/huntandhackett/process-cloning Mark -- IT Infrastructure Consultant Windows, Linux -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple