From f7e6a0d035cc852ffd74e1fdc0090732209ad178 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sat, 17 Jul 2010 20:44:35 +0200
Subject: [PATCH] Explain the exit-on-X-server-shutdown trick

---
 client.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/client.c b/client.c
index 8b439f3..b55a630 100644
--- a/client.c
+++ b/client.c
@@ -102,6 +102,8 @@ osd_wait(int delay)
       poll(&pfd, 1, wait_until - now);
       if (pfd.revents & POLLIN)
 	{
+	  // We use the event loop only to detect that the X server has been shut down.
+	  // In such cases, xlib raises an error and exits.
 	  XEvent ev;
 	  while (XPending(dpy))
 	    XNextEvent(dpy, &ev);
-- 
2.39.2