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Message-ID: <FADA9107FA9E3E4AAA60915DFAAD617ACBFAD7@mbhqmail.mindbox.com>
From: Tom Cashmore <Tom DOT Cashmore AT mindbox DOT com>
To: "'cygwin AT cygwin DOT com'" <cygwin AT cygwin DOT com>
Subject: RE: socket() function fails when application runs as an NT servic
	e.
Date: Mon, 16 Sep 2002 06:19:44 -0700
MIME-Version: 1.0
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	charset="iso-8859-1"

>> On Sun, 15 Sep 2002, Tom Cashmore wrote:
>>
>>   Hi im having a strange problem with an application im writing using
>>cygwin
>> (v1.3.12-1 On win2k Sp3). If the application is run as a console app (Ie
>> started from a cmd window) its able to open sockets (socket function
>>returns
>> a valid handle)  but when the application is run as an NT service it is
>> unable to succesfuly open sockets (Ie the socket function returns 0).
Even
>> if i place a socket function before the call to
StartServiceCtrlDispatcher
>> the socket function will still return a 0. This happens with the service
>> running as both system and local admin. Im pretty much stumped and am
>>hoping
>> that someone else may have been able to resolve this problem in the past.
>>  Any help would be greatly appreciated. Thank you.
>>
>>  Tom Cashmore
>>
>I think 0 is a valid socket descriptor. -1 is not.
>May be in a service there is no console, so descriptors 0, 1 and 2 are
>closed, and the first new descriptor is 0.
>
>Christophe LEITIENNE.

  Your correct 0 is a valid handle. After modifing the source to consider 0
a valid handle it now connects correctly. I guess i should have read the man
page a little more closely. Thank you for you help. 

  Tom Cashmore


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