Subject: Re: compiled version of libssh2 for windowns 32bit

Re: compiled version of libssh2 for windowns 32bit

From: Toan Pham via libssh2-devel <>
Date: Sun, 7 May 2017 18:59:16 -0400

Well, I found out the version of libssh2.dll I am using: it is.

LIbssh2 version: 1.2.9-20110813

obviously, it is 5 years old. Please let me know if you know of any bugfix
for error -41, since that version.



On Sun, May 7, 2017 at 6:28 PM, Toan Pham <> wrote:

> Hi,
> I am using an unknown version of libssh2 on windows 32bit.
> libssh2_version(0) does not return anything so I do not know the exact
> version, the windows shared library was given to me by a friend.....I guess
> it is about 3 years old.
> The problem that I am experiencing is that when I use libssh2 in qt timer
> loop, often time, I would get error -41 while reading data from an active
> channel. If I were to put the nonblock function call
> (libssh2_channel_read) in a event loop, not qtimer, everything would work
> OK. I am not sure if libssh2 is thread safe. One post I read from
>, says that libssh2 for
> windows must be compiled with the -threaded option to make it useable in
> windows. I've been pulling my hair over this issue because I really do not
> know if I got a foobar version of libssh.dll.
> Unfortunately, I do not have visual studio and do not want to go through
> the process of compiling the library w/ mingw for windows. I would like to
> know if anyone here can send me the latest pre-compiled version of
> libssh2.dll for win-32bit. Or if you know why I got the -41 in windows,
> please share. BTW, the same application compiled for Linux-amd64 worked
> fine.
> thanks,
> Toan

Received on 2017-05-08