From 5ea4d2645800d6108fc148f41467a2954b7c2f0d Mon Sep 17 00:00:00 2001
From: stasoid <stasoid@yahoo.com>
Date: Wed, 8 Jan 2025 11:53:32 +0500
Subject: [PATCH] LibCore: Don't wait in WaitForMultipleObjects if thread event
 queue

has pending events in EventLoopImplementationWindows

This matches the behavior of the Linux version:
https://github.com/LadybirdBrowser/ladybird/blob/911cd4aefd0c/Libraries/LibCore/EventLoopImplementationUnix.cpp#L371
---
 Libraries/LibCore/EventLoopImplementationWindows.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Libraries/LibCore/EventLoopImplementationWindows.cpp b/Libraries/LibCore/EventLoopImplementationWindows.cpp
index 37afaf01dba..c6274e01ea8 100644
--- a/Libraries/LibCore/EventLoopImplementationWindows.cpp
+++ b/Libraries/LibCore/EventLoopImplementationWindows.cpp
@@ -112,7 +112,9 @@ size_t EventLoopImplementationWindows::pump(PumpMode)
     for (auto& entry : timers)
         event_handles.append(entry.key.handle);
 
-    DWORD result = WaitForMultipleObjects(event_count, event_handles.data(), FALSE, INFINITE);
+    bool has_pending_events = ThreadEventQueue::current().has_pending_events();
+    int timeout = has_pending_events ? 0 : INFINITE;
+    DWORD result = WaitForMultipleObjects(event_count, event_handles.data(), FALSE, timeout);
     size_t index = result - WAIT_OBJECT_0;
     VERIFY(index < event_count);