From ae0d60fcd8976a0d3e682f4cdd12ae2e41d5721c Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Wed, 10 Aug 2022 13:02:23 +1000
Subject: [PATCH] Timer: Spin for last 1ms on non-windows too

---
 src/common/timer.cpp | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/common/timer.cpp b/src/common/timer.cpp
index 931d28dd8..113a0a2fa 100644
--- a/src/common/timer.cpp
+++ b/src/common/timer.cpp
@@ -186,8 +186,21 @@ void Timer::SleepUntil(Value value, bool exact)
 {
   if (exact)
   {
-    while (GetCurrentValue() < value)
-      SleepUntil(value, false);
+    for (;;)
+    {
+      Value current = GetCurrentValue();
+      if (current >= value)
+        break;
+
+      static constexpr Value min_sleep_time = 1 * 1000000;
+
+      // spin for the last 1ms
+      if ((value - current) > min_sleep_time)
+      {
+        SleepUntil(value, false);
+        continue;
+      }
+    }
   }
   else
   {