Rémi Bernon : win32u: Use the thread message queue shared memory in NtUserGetQueueStatus.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8b5cad9e58be283eb473fcc0b7fe722c47a75fba
URL:    https://gitlab.winehq.org/wine/wine/-/commit/8b5cad9e58be283eb473fcc0b7fe722...

Author: Rémi Bernon 
Date:   Wed Jun 26 16:18:22 2024 +0200

win32u: Use the thread message queue shared memory in NtUserGetQueueStatus.

---

dlls/win32u/input.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/win32u/input.c b/dlls/win32u/input.c
index 999cce23715..8356e97e238 100644
--- a/dlls/win32u/input.c
+++ b/dlls/win32u/input.c
@@ -866,7 +866,7 @@ static BOOL get_shared_queue_bits( UINT *wake_bits, UINT *changed_bits )
  */
 DWORD WINAPI NtUserGetQueueStatus( UINT flags )
 {
-    DWORD ret;
+    UINT ret, wake_bits, changed_bits;

if (flags & ~(QS_ALLINPUT | QS_ALLPOSTMESSAGE | QS_SMRESULT))
     {
@@ -876,7 +876,9 @@ DWORD WINAPI NtUserGetQueueStatus( UINT flags )

check_for_events( flags );

-    SERVER_START_REQ( get_queue_status )
+    if (get_shared_queue_bits( &wake_bits, &changed_bits ) && !(changed_bits & flags))
+        ret = MAKELONG( changed_bits & flags, wake_bits & flags );
+    else SERVER_START_REQ( get_queue_status )
     {
         req->clear_bits = flags;
         wine_server_call( req );