From 6a9f26845688e93867f2e949d589d1b3bc83e4bd Mon Sep 17 00:00:00 2001
From: root <root>
Date: Mon, 14 Feb 2005 19:37:16 +0000
Subject: [PATCH] *** empty log message ***

---
 Changes   |  2 +-
 src/iom.C | 12 +++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/Changes b/Changes
index d2fc6c4f..143487dc 100644
--- a/Changes
+++ b/Changes
@@ -2,7 +2,6 @@ TODO: manpage 900mb update
 TODO: safer command: keymap processing.
 TODO: "slow" rendering mode for bidi and scripts
 TODO: read property sequence is broken with respect to utf-8 etc.
-TODO: try to compensate for backwards-time-changes in iom.C (no way to do that for forward-time-changes, or reliably for long timeouts).
 WISH: keyboard modification via esc-sequences.
 WISH: line-rewrapping on resize
 WISH: searchable backlog
@@ -22,6 +21,7 @@ WISH: just for fun, do shade and tint with XRender.
         - add COPYING back, which got lost somehow.
         - after deciding that LSM is dead, remove all traces of it,
           along with other, similar, cleanups.
+        - _try_ to react sensibly to some non-monotonic time changes.
 
 5.0  Fri Feb 11 18:31:48 CET 2005
 	- document a race-free hack to start urxvtd.
diff --git a/src/iom.C b/src/iom.C
index 8754d05c..467aef86 100644
--- a/src/iom.C
+++ b/src/iom.C
@@ -382,7 +382,17 @@ void io_manager::loop ()
 # endif
 
 # if IOM_TIME
-      set_now ();
+      {
+        // update time, try to compensate for gross non-monotonic time changes
+        tstamp diff = NOW;
+        set_now ();
+        diff = NOW - diff;
+
+        if (diff < 0)
+          for (io_manager_vec<time_watcher>::const_iterator i = tw.end (); i-- > tw.begin (); )
+            if (*i)
+              (*i)->at += diff;
+      }
 # endif
 
       if (fds > 0)
-- 
2.34.1