server: Don't poll for POLLOUT if there are alerted write asyncs.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

server: Don't poll for POLLOUT if there are alerted write asyncs.
c5541f8a · Zebediah Figura · Alexandre Julliard · 30a56639 · c5541f8a
Commit c5541f8a authored May 05, 2022 by Zebediah Figura Committed by Alexandre Julliard May 05, 2022
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sock.c server/sock.c +6 -1

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--- a/server/sock.c
+++ b/server/sock.c
@@ -1315,7 +1315,12 @@ static int sock_get_poll_events( struct fd *fd )

        if (async_queued( &sock->write_q ))
        {
-            if (async_waiting( &sock->write_q )) ev |= POLLOUT;
+            /* As with read asyncs above, clear POLLOUT if we have an alerted
+             * async. */
+            if (async_waiting( &sock->write_q ))
+                ev |= POLLOUT;
+            else
+                ev &= ~POLLOUT;
        }
        else if (!sock->wr_shutdown && (mask & AFD_POLL_WRITE))
        {