[newlib-cygwin] Cygwin: sockets: Rearrange check for connect failure
Corinna Vinschen
corinna@sourceware.org
Mon Jul 20 07:51:13 GMT 2020
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=2aa3eb750332096ccc590d777176f4a686b71faf
commit 2aa3eb750332096ccc590d777176f4a686b71faf
Author: Corinna Vinschen <corinna@vinschen.de>
Date: Mon Jul 20 09:49:07 2020 +0200
Cygwin: sockets: Rearrange check for connect failure
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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;
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