DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:from:to:subject:date:message-id:content-type
	:content-id:content-transfer-encoding:mime-version; q=dns; s=
	default; b=luZXzI54WOwPplJ/a9FTRbwzJXWLeNHf0ZpzJrwGssjuPK4P9S7YP
	stfvIxybDOo+aaAEMyJoWmWjXwK4/mFoFKZPigBrTbol9i2ThMpB/CyJ3IcgXAEm
	Vk3cHoMGeHW6wrEs65emOxYJClYd7Z/z3hdv99RjPPSOuNo2fbYWLY=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
From: Bill Zissimopoulos <billziss AT navimatics DOT com>
To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: Re: Fork and Windows Heap
Date: Thu, 16 Jun 2016 18:11:51 +0000
Message-ID: <D38839F5.9297%billziss@navimatics.com>
x-ms-exchange-messagesentrepresentingtype: 1
x-ms-office365-filtering-correlation-id: 18e9868c-7860-4bc2-56ab-08d39611b14a
x-microsoft-exchange-diagnostics: 1;CY1PR07MB2197;6:6+iY/57DqmNRtYA9YWMJRa713nvagMzpHQLyoxXaj0jCa15MdPtV0L/v9BS14UH9boS+jtBG4bjWkCIxGGjnN0OsSiM2NPfPTEBY6+C3nrpuVktEcF1UPQYLbzvLEtvK8UYctTMVi9OGmmp97AuNeHb1eK2OY6xNThSwEQkJRDhplY0yfjP1JBehcFIHFNXCTg2jC6pN/eQT08A0WD0oemgZCKPNiN6SFUOZ9iRfJnZKMR8DeJw2cZKmj4ofkwyf5bWCf25uo0XrTLlLMCvYbEnXNRZiWbfBE+osFg157RomFxIGCp7AdZ1bcVYJMEKf;5:vE41Xz9EhGsoPt85ihcuH4ekKUZx7HoS7L1wPO6t0s2FieqXZA6f5SBal+q8uhrHFEPHaJ+yAjp/zHgskrFux20EbDfIalvEdSDnrZcU3qQjs0FKFoqSN2OGjamOn+0WGFsRNCFabhYe8/Ef9yqP+A==;24:SQe5FYQvz2sPo4tGXoA0MMjDozNUC3y60V0OM0oD96x3GyBIZcqYSUBRPFQAwvgrBarSGGHKESJMB7KtedYjTjBQzAUxABP5geXu6enQJdA=;7:lLPmKAD4zeE/M/qluQzfh3LBxU8b1wWDU5QT8LXb+fm7W3Cw1X6gLpVk6PkNW8TCmVruB7iUlyj1bHwh/456II4cU69lRNgfPdlGnQduBUm5L/C1p9PZ78u2A0r5cxc8JMZ1vUQzrI+B0DUcUop2a70XDzo2w0+19yDMSsUHan2gWNa9jSjBtqXWhHYnh5ZU/UFO1AmsTFs+9ITIyma0mQ==
x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:CY1PR07MB2197;
x-microsoft-antispam-prvs: <CY1PR07MB2197276D95780EF76A90F62EBC560 AT CY1PR07MB2197 DOT namprd07 DOT prod DOT outlook DOT com>
x-exchange-antispam-report-test: UriScan:;
x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040130)(601004)(2401047)(5005006)(8121501046)(3002001)(10201501046)(6041072)(6043046);SRVR:CY1PR07MB2197;BCL:0;PCL:0;RULEID:;SRVR:CY1PR07MB2197;
x-forefront-prvs: 09752BC779
x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(6009001)(7916002)(199003)(189002)(106356001)(50986999)(10400500002)(81166006)(106116001)(99286002)(345774005)(2906002)(107886002)(3846002)(102836003)(81156014)(1730700003)(66066001)(2351001)(8936002)(558084003)(97736004)(5002640100001)(87936001)(54356999)(2501003)(11100500001)(189998001)(110136002)(92566002)(3280700002)(86362001)(5004730100002)(8676002)(5640700001)(5008740100001)(68736007)(101416001)(3660700001)(105586002)(36756003)(3480700004)(122556002)(2900100001)(77096005)(6116002)(450100001)(586003)(94096001);DIR:OUT;SFP:1102;SCL:1;SRVR:CY1PR07MB2197;H:CY1PR07MB2199.namprd07.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;A:1;MX:1;CAT:NONE;LANG:en;CAT:NONE;
received-spf: None (protection.outlook.com: navimatics.com does not designate permitted sender hosts)
spamdiagnosticoutput: 1:99
spamdiagnosticmetadata: NSPM
Content-Type: text/plain; charset="utf-8"
Content-ID: <E8B37803512E344F84AE4550B5492375 AT namprd07 DOT prod DOT outlook DOT com>
MIME-Version: 1.0
X-OriginatorOrg: navimatics.com
X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Jun 2016 18:11:51.9921 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 21071be9-4f9a-413b-89ac-8353a5d2410a
X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR07MB2197
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from base64 to 8bit by delorie.com id u5GICJ0A032146

Hi, Corinna:

> You are correct.  Cygwin fork only clones the datastructures explicitely
> set up by Cygwin and stuff allocated using Cygwin's POSIX API.
>
> You can't simply clone a Windows heap for various reasons...

Thank you for your detailed response and explanation.

Bill