server: Do not poll sockets for POLLPRI unless we are selecting for AFD_POLL_OOB.

Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

server: Do not poll sockets for POLLPRI unless we are selecting for AFD_POLL_OOB.
2daf7643 · Zebediah Figura · Alexandre Julliard · 69549fc0 · 2daf7643
Commit 2daf7643 authored Jun 15, 2021 by Zebediah Figura Committed by Alexandre Julliard Jun 15, 2021
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Showing with 14 additions and 5 deletions

sock.c server/sock.c +14 -5

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--- a/server/sock.c
+++ b/server/sock.c
@@ -1063,11 +1063,20 @@ static int sock_get_poll_events( struct fd *fd )
        {
            if (async_waiting( &sock->read_q )) ev |= POLLIN | POLLPRI;
        }
-        else if (!sock->rd_shutdown && (mask & AFD_POLL_READ))
-            ev |= POLLIN | POLLPRI;
-        /* We use POLLIN with 0 bytes recv() as hangup indication for stream sockets. */
-        else if (sock->state == SOCK_CONNECTED && (mask & AFD_POLL_HUP) && !(sock->reported_events & AFD_POLL_READ))
-            ev |= POLLIN;
+        else
+        {
+            if (!sock->rd_shutdown)
+            {
+                if (mask & AFD_POLL_READ)
+                    ev |= POLLIN;
+                if (mask & AFD_POLL_OOB)
+                    ev |= POLLPRI;
+            }
+
+            /* We use POLLIN with 0 bytes recv() as hangup indication for stream sockets. */
+            if (sock->state == SOCK_CONNECTED && (mask & AFD_POLL_HUP) && !(sock->reported_events & AFD_POLL_READ))
+                ev |= POLLIN;
+        }

        if (async_queued( &sock->write_q ))
        {