https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=2aa3eb750332096ccc590d777176f4a686b71faf
commit 2aa3eb750332096ccc590d777176f4a686b71faf Author: Corinna Vinschen <[email protected]> Date: Mon Jul 20 09:49:07 2020 +0200 Cygwin: sockets: Rearrange check for connect failure Signed-off-by: Corinna Vinschen <[email protected]> Diff: --- winsup/cygwin/fhandler_socket_inet.cc | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/winsup/cygwin/fhandler_socket_inet.cc b/winsup/cygwin/fhandler_socket_inet.cc index e5b0d2d14..2b50671e5 100644 --- a/winsup/cygwin/fhandler_socket_inet.cc +++ b/winsup/cygwin/fhandler_socket_inet.cc @@ -352,9 +352,13 @@ fhandler_socket_wsock::evaluate_events (const long event_mask, long &events, WSASetLastError (wsa_err); ret = SOCKET_ERROR; } - else - wsock_events->events |= FD_WRITE; - wsock_events->events &= ~FD_CONNECT; + /* Since FD_CONNECT is only given once, we have to keep FD_CONNECT + for connection failed sockets to have consistent behaviour in + programs calling poll/select multiple times. Example test to + non-listening port: curl -v 127.0.0.1:47 */ + if (connect_state () != connect_failed) + wsock_events->events &= ~FD_CONNECT; + wsock_events->events |= FD_WRITE; wsock_events->connect_errorcode = 0; } /* This test makes accept/connect behave as on Linux when accept/connect @@ -376,12 +380,6 @@ fhandler_socket_wsock::evaluate_events (const long event_mask, long &events, if (erase) wsock_events->events &= ~(events & ~(FD_WRITE | FD_CLOSE)); } - /* Since FD_CONNECT is only given once, we manually need to set - FD_WRITE for connection failed sockets to have consistent - behaviour in programs calling poll/select multiple times. - Example test to non-listening port: curl -v 127.0.0.1:47 */ - if ((connect_state () == connect_failed) && (event_mask & FD_WRITE)) - wsock_events->events |= FD_WRITE; UNLOCK_EVENTS; return ret;
