www.libssh2.org | Daily snapshots | Mailing list archive | Docs | Examples | github

Archive Index This month's Index

Subject: Re: Memory leak on mac

Re: Memory leak on mac

From: Velichko Yuriy <velichko.yuriy_at_gmail.com>
Date: Tue, 16 Feb 2016 20:05:02 +0200

I will create a simple example in nearest time.

On 16 February 2016 at 19:52, Will Cosgrove <will_at_panic.com> wrote:

> You’ll need to post an example app showing this leak; I use libssh2 on the
> Mac and have done extensive profiling and it does not leak in my use cases.
>
> Will
>
> On Feb 16, 2016, at 9:43 AM, Velichko Yuriy <velichko.yuriy_at_gmail.com>
> wrote:
>
> Hello!
>
> I have application, that among other things, checks accessibility of the
> remote machine by connecting over ssh. The app immediately disconnect when
> connection is confirmed. All works fine on Mac and Windows. But on mac the
> app takes more and more memory (on windows is all right). The instruments
> for XCode shows that memory is leak in function
>
> libssh2_default_alloc
>
> but I do not call this function directly anywhere.
>
> To release ssh handlers methods are used:
>
> libssh2_channel_free( );
> libssh2_session_disconnect( );
> libssh2_session_free( );
>
> All of them works without errors.
>
> IMPOTANT NOTE: the leak occur when session works in non-blocking mode:
>
> libssh2_session_set_blocking( ..., 0);
>
> if to use
>
> libssh2_session_set_blocking( ..., 1);
>
> There is no leak.
>
> Tell me please what a difference. What I doing wrong? Or may be this is a
> little bug in libssh2?
>
> _______________________________________________
> libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
>
>
>
> _______________________________________________
> libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
>
>

-- 
​С уважением, Величко Юрий.

_______________________________________________
libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
Received on 2016-02-16

the libssh2 team