Date: Fri, 25 Jul 2008 08:40:04 GMT From: "Kian Mohageri" <kian.mohageri@gmail.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/125940: connect(2) returning -1, errno unset Message-ID: <200807250840.m6P8e44o071034@freefall.freebsd.org>
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The following reply was made to PR kern/125940; it has been noted by GNATS.
From: "Kian Mohageri" <kian.mohageri@gmail.com>
To: "Garrett Cooper" <yanefbsd@gmail.com>
Cc: FreeBSD-gnats-submit@freebsd.org
Subject: Re: kern/125940: connect(2) returning -1, errno unset
Date: Fri, 25 Jul 2008 01:09:17 -0700
On Thu, Jul 24, 2008 at 9:32 PM, Garrett Cooper <yanefbsd@gmail.com> wrote:
> On Thu, Jul 24, 2008 at 2:03 PM, Kian Mohageri <kian.mohageri@gmail.com> wrote:
>>
>>>Description:
>>
>> Using FreeTDS 0.82 I ran into this issue. For some reason, the connection is failing (not sure why still). connect(2) is returning -1 to indicate failure, but errno is unset.
>>
>> The relevant code from freetds-0.82 follows:
>>
>> retval = connect(tds->s, (struct sockaddr *) &sin, sizeof(sin));
>> if (retval == 0) {
>> tdsdump_log(TDS_DBG_INFO2, "connection established\n");
>> } else {
>> tdsdump_log(TDS_DBG_ERROR, "tds_open_socket: connect(2) returned \"%s\"\n", strerror(sock_errno));
>>
>> Debugging this further shows that retval is -1, but sock_errno (errno) is set to 0. Setting it to an arbitrary value prior to connect(2) reveals that it isn't touched at all after the failed connect(2).
>>
>>>How-To-Repeat:
>>
>> Not entirely sure how to repeat it in a more generic environment. This specific case is happening with php5-pdo_dblib, freetds-0.64 or freetds-0.82, and PHP via the command line.
>
> Could you please provide these steps for us?
I apologize. I still don't know what was going on and why connect(2)
wasn't setting errno, but it appears the underlying problem has to do
with an (unknown?) conflict between php5-pdo_oci/php5_oci and
php5-pdo_dblib. I'm looking into this further.
Sorry for the noise, please close this.
-Kian
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