From 6a54278b4a9b86a1cce359e78db61015e7a1cc07 Mon Sep 17 00:00:00 2001
From: Zhongyi Xie <xiez@fb.com>
Date: Thu, 23 May 2019 16:26:08 -0700
Subject: [PATCH] add class level comment for RepeatableThread

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/5344

Differential Revision: D15485431

Pulled By: miasantreble

fbshipit-source-id: 9c0f6cf0d826743e743012549976705ceb8cc0c4
---
 util/repeatable_thread.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/util/repeatable_thread.h b/util/repeatable_thread.h
index 967cc4994..2d4729da0 100644
--- a/util/repeatable_thread.h
+++ b/util/repeatable_thread.h
@@ -15,6 +15,9 @@
 
 namespace rocksdb {
 
+// Simple wrapper around port::Thread that supports calling a callback every
+// X seconds. If you pass in 0, then it will call your callback repeatedly
+// without delay.
 class RepeatableThread {
  public:
   RepeatableThread(std::function<void()> function,