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List:       curl-library
Subject:    =?iso-8859-2?Q?R=E9f=2E_=3A_Re=3A_Problem_with_gethostbyname=5Fr_and?=https
From:       Gilles Talbot <gilles.talbot () creditlyonnais ! fr>
Date:       2001-12-19 13:44:54
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Thank you Daniel.
We are going to change our platforms soon. I think we'll choose Solaris.
After the migration, i'll let you know if the problem still happens.







Daniel Stenberg <daniel@haxx.se> le 19/12/2001 14:40:28

Pour : Gilles Talbot/DED/DSTI/CLY@CLY
cc :   libcurl Mailing list <Curl-library@lists.sourceforge.net>

Objet :     Re: Problem with gethostbyname_r and https


On Mon, 17 Dec 2001, Gilles Talbot wrote:

>    I use libcurl 7.9, on HP-UX 10.20.

First, try upgrading to the latest and greatest. I don't think that'll fix
your problems, but then again, you never know for sure!

>    My application  sends request to a http/https server.
>    There is a thread created to send each request
>    My application is supposed to send several requests at the same time.
>    It works pretty good when i use http
>    BUT : when i use https, most of the requests are OK, but sometimes, i
>    have the following error : couldn't resolve host xxxxx
>    with the CURLOPT_VERBOSE option, i saw that it is a problem on
>    gethostbyname_r
>    I tried making several requests in a single thread, and the problem
does
>    not occur.
>    i've checked my compilation options, they look compatible with
>    multi-thread

As has been said before: this is likely to be a problem with how threads
work
on your particular platform. Other platforms have also shown problems
similar
to this in the past, all with various forms of (non-working) thread
implementations.

libcurl is being used in multi-threaded programs by many people, which
leads
me to believe that it is fairly multi-thread safe. If you can repeat your
problems on one of the platforms known to be stable systems
multi-thread-wise
(Solaris, Linux and Windows all seem good), then I'll start considering
this
a real issue. Until then, I can't but to think that this is a peculiar
issue
with threads under HPUX 10. I'm sorry.

--
    Daniel Stenberg -- curl groks URLs -- http://curl.haxx.se/







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