Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 23 Dec 2016 16:48:40 +0800
From:      =?UTF-8?B?55ub5oWn5Y2O?= <hhsheng@corp.netease.com>
To:        "Hongjiang Zhang" <honzhan@microsoft.com>,  freebsd-net <freebsd-net@freebsd.org>
Subject:   Re: RE: question about fopen fd limit
Message-ID:  <2016122316484066524625@corp.netease.com>
References:  <2016122223570929089978@corp.netease.com>,  <CY1PR03MB1517A33F8F9E0BAC00C2E345B5950@CY1PR03MB1517.namprd03.prod.outlook.com>, <2016122311014089280414@corp.netease.com>,  <CY1PR03MB151796BFAEA5DDB1CD6DB752B5950@CY1PR03MB1517.namprd03.prod.outlook.com>

next in thread | previous in thread | raw e-mail | index | archive | help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Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?2016122316484066524625>