From 1b4234f3313d5335b53231be4c076378dd25ae6e Mon Sep 17 00:00:00 2001
From: sdong <siying.d@fb.com>
Date: Thu, 31 Oct 2019 14:17:26 -0700
Subject: [PATCH] Add some include<functional>

---
 util/thread_local.h                                 | 1 +
 utilities/persistent_cache/block_cache_tier_file.cc | 2 ++
 utilities/persistent_cache/block_cache_tier_file.h  | 1 +
 utilities/persistent_cache/hash_table_evictable.h   | 1 +
 4 files changed, 5 insertions(+)

diff --git a/util/thread_local.h b/util/thread_local.h
index 08eabd06e..52587c004 100644
--- a/util/thread_local.h
+++ b/util/thread_local.h
@@ -10,6 +10,7 @@
 #pragma once
 
 #include <atomic>
+#include <functional>
 #include <memory>
 #include <unordered_map>
 #include <vector>
diff --git a/utilities/persistent_cache/block_cache_tier_file.cc b/utilities/persistent_cache/block_cache_tier_file.cc
index ef7725258..92cb6e9c3 100644
--- a/utilities/persistent_cache/block_cache_tier_file.cc
+++ b/utilities/persistent_cache/block_cache_tier_file.cc
@@ -7,6 +7,8 @@
 #include "utilities/persistent_cache/block_cache_tier_file.h"
 
 #include <unistd.h>
+
+#include <functional>
 #include <memory>
 #include <vector>
 
diff --git a/utilities/persistent_cache/block_cache_tier_file.h b/utilities/persistent_cache/block_cache_tier_file.h
index da8a4b5cd..7433d94f3 100644
--- a/utilities/persistent_cache/block_cache_tier_file.h
+++ b/utilities/persistent_cache/block_cache_tier_file.h
@@ -6,6 +6,7 @@
 
 #ifndef ROCKSDB_LITE
 
+#include <functional>
 #include <list>
 #include <memory>
 #include <string>
diff --git a/utilities/persistent_cache/hash_table_evictable.h b/utilities/persistent_cache/hash_table_evictable.h
index da13c0e9d..4fd97e29f 100644
--- a/utilities/persistent_cache/hash_table_evictable.h
+++ b/utilities/persistent_cache/hash_table_evictable.h
@@ -7,6 +7,7 @@
 
 #ifndef ROCKSDB_LITE
 
+#include <functional>
 #include "util/random.h"
 #include "utilities/persistent_cache/hash_table.h"
 #include "utilities/persistent_cache/lrulist.h"