Tatsuo Ishii <ishii@postgresql.org> writes:
> Those code fragment judges the return value from
> SSL_read(). secure_read() does retrying when SSL_ERROR_WANT_READ *and*
> SSL_ERROR_WANT_WRITE returned. However, pqsecure_read() does not retry
> when SSL_ERROR_WANT_READ. It seems they are not consistent. Comments?
There's no particular reason why they should be consistent, I think.
The assumptions for nonblocking operation are different.
I rather wonder whether the #ifdef WIN32 bit in the backend isn't dead
code though. If the port isn't in nonblock mode, we shouldn't really
get here at all, should we?
regards, tom lane