On Wed, 2017-12-20 at 10:38 +0100, Andreas Schneider wrote: > On Tuesday, 12 December 2017 01:25:58 CET Ахриев Альберт wrote: > > Dear All, > > > > As a newcomer I am struggling to understand how to use libssh in > > multithreaded environment. > > > > Very simple question: if application creates in each thread a > > separate > > instance of ssh session, which runs completely independently from > > other > > instances, is that enough to guarantee thread-safety? In other > > words, are > > the state variables of each session really independent? > > No, that's not enough see: > > http://api.libssh.org/master/libssh_tutor_threads.html
Ouch. Is that requirement for libssh or for its back-ends? Other (crypto) libraries are using system threads transparently providing callbacks exceptionally (or even not). Openssl, libgcrypt, gnutls as such examples. regards, Nikos
