From 7bf2f9ceb37abc94065c0a2f92450db169d7ebdb Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Fri, 8 Mar 2024 09:01:59 -0500
Subject: [PATCH] MT#40962 allow for varying sleep times

We may end up sleeping shorter or longer than the desired sleep time. If
we ended up sleeping shorter, don't advance a tick, and if we ended up
sleeping significantly longer (more than one tick), advance multiple
ticks.

Change-Id: I0be20104e6243c89006367430a3663cc304486b9
---
 core/sip/wheeltimer.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/core/sip/wheeltimer.cpp b/core/sip/wheeltimer.cpp
index 1512d47f..9c336183 100644
--- a/core/sip/wheeltimer.cpp
+++ b/core/sip/wheeltimer.cpp
@@ -88,8 +88,12 @@ void _wheeltimer::run()
     //printf("missed one tick\n");
     //}
 
-    turn_wheel();
-    next_tick += tick;
+    now = gettimeofday_us();
+
+    while (now >= next_tick) {
+      turn_wheel();
+      next_tick += tick;
+    }
   }
 }