Zebediah Figura : server: Post socket events only if selecting for them.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4c409f8a3bf984d2ca1e315f0b400971322e777f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=4c409f8a3bf984d2ca1e315f0...

Author: Zebediah Figura <z.figura12(a)gmail.com>
Date:   Wed May 12 21:59:25 2021 -0500

server: Post socket events only if selecting for them.

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

---

 dlls/ws2_32/tests/sock.c | 22 +++++++++++-----------
 server/sock.c            |  9 ++++++---
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/dlls/ws2_32/tests/sock.c b/dlls/ws2_32/tests/sock.c
index 596e1ec1a21..266ddc14451 100644
--- a/dlls/ws2_32/tests/sock.c
+++ b/dlls/ws2_32/tests/sock.c
@@ -4391,35 +4391,35 @@ static void test_oob_events(struct event_test_ctx *ctx)
     ret = send(client, "a", 1, MSG_OOB);
     ok(ret == 1, "got %d\n", ret);
 
-    check_events_todo_msg(ctx, FD_OOB, 0, 200);
-    check_events_todo(ctx, 0, 0, 0);
+    check_events(ctx, FD_OOB, 0, 200);
+    check_events(ctx, 0, 0, 0);
     select_events(ctx, server, FD_ACCEPT | FD_CLOSE | FD_CONNECT | FD_OOB | FD_READ);
     if (ctx->is_message)
-        check_events_todo_msg(ctx, FD_OOB, 0, 200);
-    check_events_todo(ctx, 0, 0, 0);
+        check_events(ctx, FD_OOB, 0, 200);
+    check_events(ctx, 0, 0, 0);
     select_events(ctx, server, 0);
     select_events(ctx, server, FD_ACCEPT | FD_CLOSE | FD_CONNECT | FD_OOB | FD_READ);
     if (ctx->is_message)
-        check_events_todo_msg(ctx, FD_OOB, 0, 200);
-    check_events_todo(ctx, 0, 0, 0);
+        check_events(ctx, FD_OOB, 0, 200);
+    check_events(ctx, 0, 0, 0);
 
     ret = send(client, "b", 1, MSG_OOB);
     ok(ret == 1, "got %d\n", ret);
 
     if (!ctx->is_message)
-        check_events(ctx, FD_OOB, 0, 200);
-    check_events_todo(ctx, 0, 0, 0);
+        check_events_todo_event(ctx, FD_OOB, 0, 200);
+    check_events(ctx, 0, 0, 0);
 
     ret = recv(server, buffer, 1, MSG_OOB);
     ok(ret == 1, "got %d\n", ret);
 
     check_events_todo(ctx, FD_OOB, 0, 200);
-    check_events_todo_msg(ctx, 0, 0, 0);
+    check_events(ctx, 0, 0, 0);
 
     ret = recv(server, buffer, 1, MSG_OOB);
     todo_wine ok(ret == 1, "got %d\n", ret);
 
-    check_events_todo_msg(ctx, 0, 0, 0);
+    check_events(ctx, 0, 0, 0);
 
     /* Send data while we're not selecting. */
 
@@ -4428,7 +4428,7 @@ static void test_oob_events(struct event_test_ctx *ctx)
     ok(ret == 1, "got %d\n", ret);
     select_events(ctx, server, FD_ACCEPT | FD_CLOSE | FD_CONNECT | FD_OOB | FD_READ);
 
-    check_events_todo_msg(ctx, FD_OOB, 0, 200);
+    check_events(ctx, FD_OOB, 0, 200);
 
     ret = recv(server, buffer, 1, MSG_OOB);
     ok(ret == 1, "got %d\n", ret);
diff --git a/server/sock.c b/server/sock.c
index f74c9396f26..c8cd603149b 100644
--- a/server/sock.c
+++ b/server/sock.c
@@ -627,9 +627,12 @@ static void post_socket_event( struct sock *sock, unsigned int event_bit, unsign
 {
     unsigned int event = (1 << event_bit);
 
-    sock->pending_events |= event;
-    sock->reported_events |= event;
-    sock->errors[event_bit] = error;
+    if (!(sock->reported_events & event))
+    {
+        sock->pending_events |= event;
+        sock->reported_events |= event;
+        sock->errors[event_bit] = error;
+    }
 }
 
 static void sock_dispatch_events( struct sock *sock, int prevstate, int event, int error )