I did find this comment in ssltest.c : * A BIO pair behaves similar to a non-blocking socketpair * (but both endpoints must be handled by the same thread).
i.e. You can NOT have Thread1 write to a BIO_pair and expect Thread2 to read it off the BIO_pair. Is that what you were referring to? Regards, n8 ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org