Bodo Moeller wrote:
>
> Chris Bamford <[EMAIL PROTECTED]>:
>
> >> Do you provide mutexes to the library? For multi-threaded applications,
> >> the following calls are required in initialization:
> >>
> >> CRYPTO_set_id_callback(id_callback);
> >> CRYPTO_set_locking_callback(locking_callback);
Thankyou.
This has been very helpful.
>
> > Hmmm. Please bear with me. I have tried to code around the need for
> > serialisation of any kind because I'm trying to recreate a large
> > number of simultaneous hits on this web server. I create one global
> > SSL_CTX structure as a shared resource. I then launch the threads
> > which all create their own SSL structures based on the global
> > SSL_CTX structure. As this is a "read- only" access of the SSL_CTX
> > structure, do I really need mutexes?
>
> Yes. The various threads write to several shared data objects, such
> as variables in the pseudo random number generator, reference counts
> in various data structures (including that SSL_CTX), etc. If there
> are no mutexes to synchronize access to all these shared data
> structures, then things cannot be expected to work smoothly;
> we cannot promise that the program will quickly crash, either,
> but you should be surprised if it does.
> ______________________________________________________________________
> OpenSSL Project http://www.openssl.org
> Development Mailing List [EMAIL PROTECTED]
> Automated List Manager [EMAIL PROTECTED]
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Chris Bamford
Contract Web Developer
ntli
Email: [EMAIL PROTECTED]
Tel: 01256-752705
Mbl: 0467 844317
______________________________________________________________________
OpenSSL Project http://www.openssl.org
Development Mailing List [EMAIL PROTECTED]
Automated List Manager [EMAIL PROTECTED]
