On Mon, Jan 18, 2010 at 10:30, Fujii Masao <masao.fu...@gmail.com> wrote: > On Mon, Jan 18, 2010 at 5:22 AM, Heikki Linnakangas > <heikki.linnakan...@enterprisedb.com> wrote: >>> This could be because the win32 socket emulation layer simply wasn't >>> designed to deal with non-blocking sockets. Specifically, it actually >>> *always* sets the socket to non-blocking mode, and then uses that to >>> properly emulate how sockets work under unix. >> >> I presume the win32 emulation layer can be taught about non-blocking >> sockets? Or maybe pq_getbyte_if_available() can be implemented using >> some other simpler method on Windows. > > How about checking the socket by using select/poll before calling > pq_getbyte_if_available()? This would prevent pgwin32_recv() from > being blocked because a message is guaranteed to have already arrived. > When the renegotiation happens, SSL_read (instead of pqwin32_recv()) > is called with non-blocking socket, so it's not blocked.
SSL_read calls into pqwin32_recv(), so you have the same problem. (see my_sock_read() and my_sock_write() in be-secure.c) -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
