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Date: Fri, 21 Sep 2001 17:26:33 +0400
From: egor duda <deo@logos-m.ru>
Reply-To: egor duda <cygwin@cygwin.com>
Organization: deo
Message-ID: <2587936305.20010921172633@logos-m.ru>
To: "Ivan Begtin" <ibegtin@biolink.com.ru>
CC: cygwin@cygwin.com
Subject: Re: Looks like Cygwin don't close sometimes event descriptors
In-Reply-To: <013D9CF8A2F6D3119136009027DDFA470226B0C7@biolink.bti.inc>
References: <013D9CF8A2F6D3119136009027DDFA470226B0C7@biolink.bti.inc>
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Hi!

Friday, 21 September, 2001 Ivan Begtin ibegtin@biolink.com.ru wrote:

please, keep your answers to the list. i'm intentionally setting
Reply-To: address to point to the list because i don't want to receive
2 copies of each message.

IB> I use W2K Prof and still haven't tried this scenario with 1.3.3.

then i think you should try to. 1.3.3 contains a lot of fixes/changes

IB> As I remember I had same problem with v1.1.7 then I ported multithreaded
IB> program to Cygwin. 
IB> Process Explorer (HandleEx in past) don't show their names, just number.
IB> Console utility handle show them but also without names.

do you mean it doesn't show names of all events or only those that are
leaking? HandleEx does show the names for named events, so we have 2
possibilities here -- either these are anonymous events (which may
help to track them down) or Process Explorer is missing needed
functionality in which case you should try to use original HandleEx.

IB> -----Original Message-----
IB> From: egor duda [mailto:deo@logos-m.ru]
IB> Sent: Friday, September 21, 2001 4:11 PM
IB> To: Ivan Begtin
IB> Cc: cygwin@cygwin.com
IB> Subject: Re: Looks like Cygwin don't close sometimes event descriptors

IB> Hi!

IB> Friday, 21 September, 2001 Ivan Begtin ibegtin@biolink.com.ru wrote:

IB>>   I am using cygwin v1.3.2 for now and I've tried to compile
IB> net-snmp
IB>> v4.2.1with cygwin.

IB> have you tried this scenario with 1.3.3? what OS are you using?

IB>> Started snmpd.exe.
IB>>   When I launched "snmpwalk localhost public" number of descriptors
IB> used
IB>> by snmpd.exe immediately growed
IB>>   So after starting "snmpwalk localhost public" in simple cycle.
IB> Number
IB>> of descriptors reached 12000 (or more) and they all were open long
IB> time
IB>> (until i stopped snmpd.exe).
IB>>   Launching handle.exe form http://www.sysinternals.com shows that
IB> most
IB>> of open descriptors are Events. 
IB>>   Well, I just want to know is it bug or it's normal and shouldn't
IB> be a
IB>> problem? 

IB> and by launching HandleEx from sysinternals you've found that their
IB> names are ...?

IB> it's clearly a bug, though it's not clear yet whether it's cygwin of
IB> snmpd bug.

Egor.            mailto:deo@logos-m.ru ICQ 5165414 FidoNet 2:5020/496.19


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