The man page for SSL_get_error() lists the SSL_* functions it can be used
with, and it doesn't mention SSL_shutdown().
On the other hand, the man page for SSL_shutdown() says that for
non-blocking I/O, you should call SSL_get_error().
So which is right?
I ask, because in the following code:
ret = SSL_shutdown(ssl);
ssl_err = SSL_get_error(ssl, ret);
I'm getting ret = 0, ssl_err = 5 (SSL_ERROR_SYSCALL).
This is using a bio_pair, where my own code handles the underlying reads
and writes (all single threaded), so SSL_shutdown() shouldn't be doing any
system calls (and indeed strace shows that it isn't). So I'm confused.
--
The crew of the Enterprise encounter an alien life form which is
surprisingly neither humanoid nor made from pure energy.
-- Things That Never Happen in "Star Trek" #22
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