Author :
Azat Khuzhin
Date :
2019-01-29 21:12:33
Hash :e66078a0 Message :Eliminate fd conversion warnings and introduce EVUTIL_INVALID_SOCKET (windows)
windows has intptr_t instead of regular int.
Also tt_fd_op() had been introduced, since we cannot use tt_int_op() for
comparing fd, since it is not always int.
(cherry picked from commit b29207dceee33832bb28ab103a833df6a2fd29d3)