io.sockets.secure.windows: use non-blocking sockets to prevent
SSL_connect from blocking
On Windows, SSL_connect may hang forever if the server doesn't send any
data. To counteract that we temporarily set the socket non-blocking and
then call select in the wait-for-fd method.
Conflicts:
basis/io/sockets/secure/openssl/openssl-tests.factor
Code that is duplicated in the backends moved to
io.sockets.secure.openssl. The wait-for-fd verb used by do-ssl-accept
doesn't have any equivalent on Windows so that needs to be
implemented.
Unified the drain and refill generics and put their definition in
io.files. They are now used by both the windows and unix ssl backend
for io. Windows ssl kind of works now, but the error cases are not
implemented correctly.
Doug Coleman
Björn Lindqvist