From 9e94e488f5006172245b2f977ab207ee140aca43 Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Fri, 10 Nov 2017 06:33:50 -0800
Subject: Changes imported from Abseil "staging" branch:

  - 28631b3dbc582cb88a637cc4c70886e38a4be0cf Refactoring to support production kernel Futex implementa... by Derek Mauro <dmauro@google.com>
  - 411e7bb779c32bbc02b5fa6f516087a02fcb0812 Update comments about leap smearing. by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 28631b3dbc582cb88a637cc4c70886e38a4be0cf
Change-Id: I0506aa2705212cd466460cae60182b0c2c667972
---
 absl/synchronization/internal/kernel_timeout.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'absl/synchronization/internal/kernel_timeout.h')

diff --git a/absl/synchronization/internal/kernel_timeout.h b/absl/synchronization/internal/kernel_timeout.h
index a83c427b..0d132d98 100644
--- a/absl/synchronization/internal/kernel_timeout.h
+++ b/absl/synchronization/internal/kernel_timeout.h
@@ -39,6 +39,7 @@
 namespace absl {
 namespace synchronization_internal {
 
+class Futex;
 class Waiter;
 
 class KernelTimeout {
@@ -139,6 +140,7 @@ class KernelTimeout {
   }
 #endif
 
+  friend class Futex;
   friend class Waiter;
 };
 
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