Zebediah Figura : server: Do not signal write bits if there are write asyncs alerted.
Alexandre Julliard
julliard at winehq.org
Thu May 5 15:56:01 CDT 2022
Module: wine
Branch: master
Commit: bff228c198597f4a1c43432988a2d61f93df5bc9
URL: https://source.winehq.org/git/wine.git/?a=commit;h=bff228c198597f4a1c43432988a2d61f93df5bc9
Author: Zebediah Figura <zfigura at codeweavers.com>
Date: Thu May 5 00:43:29 2022 -0500
server: Do not signal write bits if there are write asyncs alerted.
Asyncs which are alerted but not "waiting" may still fill the pipe, and we
shouldn't signal AFD_POLL_WRITE in that case.
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
server/sock.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/server/sock.c b/server/sock.c
index cb76765e495..aa62a03d699 100644
--- a/server/sock.c
+++ b/server/sock.c
@@ -1011,10 +1011,13 @@ static int sock_dispatch_asyncs( struct sock *sock, int event, int error )
event &= ~(POLLIN | POLLPRI);
}
- if (event & POLLOUT && async_waiting( &sock->write_q ))
+ if ((event & POLLOUT) && async_queued( &sock->write_q ))
{
- if (debug_level) fprintf( stderr, "activating write queue for socket %p\n", sock );
- async_wake_up( &sock->write_q, STATUS_ALERTED );
+ if (async_waiting( &sock->write_q ))
+ {
+ if (debug_level) fprintf( stderr, "activating write queue for socket %p\n", sock );
+ async_wake_up( &sock->write_q, STATUS_ALERTED );
+ }
event &= ~POLLOUT;
}
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