From 275ff53029f21c2da45e598ee2061b48707f1572 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sat, 10 Jan 2026 18:53:33 +0000
Subject: [PATCH] perf(drw): replace XSync with XFlush in drw_map for reduced
 latency

Replaced the blocking `XSync(drw->dpy, False)` call with `XFlush(drw->dpy)` in `drw_map`.
`drw_map` is frequently called during UI redraws (e.g., status bar updates). `XSync` forces a round-trip to the X server, blocking the window manager until the server processes the request.
`XFlush` sends the request asynchronously, improving responsiveness and reducing latency in the main event loop.

Impact:
- Reduces blocking time during bar and window title redraws.
- Improves overall responsiveness of the window manager.
---
 drw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drw.c b/drw.c
index 7e99a386..e3f9501b 100644
--- a/drw.c
+++ b/drw.c
@@ -494,7 +494,7 @@ void drw_map(Drw *drw, Window win, int x, int y, unsigned int w,
     }
 
     XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
-    XSync(drw->dpy, False);
+    XFlush(drw->dpy);
 }
 
 unsigned int drw_fontset_getwidth(Drw *drw, const char *text) {