jmk <jmk_at_foofus.net> writes:
> On Tue, 2010-08-31 at 09:53 +0200, Simon Josefsson wrote:
>> You shouldn't need any mutexes except the ones needed for the crypto
>> library. Maybe you could remove your own mutex and see if things
>> continue to work?
>
> It's certainly possible I've messed stuff up, but without the mutex for
> libssh2_session_init_ex(), things still occasionally blow up. With a
> mutex for that one call and the crypto callback functions, things *seem*
> completely stable.
Do you call libssh2_init? The libssh2_session_init_ex function
initializes the library when needed, maybe you cause two threads to
initialize the library at the same time. By doing an explicit
libssh2_init at the start of your program, that should be avoided.
It may also be that I've missed something, and libssh2_session_init_ex
is intended to be thread-unsafe too. But then we have a documentation
problem, since this is not stated in the function man page.
/Simon
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Received on 2010-08-31