From 7097add83c8596f81be9edd66971ffd2486357eb Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Tue, 2 Feb 2021 10:18:39 +0800
Subject: refactor: replace Boost shared_mutex with std shared_mutex in
 sigcache

Co-authored-by: MarcoFalke falke.marco@gmail.com
Co-authored-by: sinetek pitwuu@gmail.com
---
 src/script/sigcache.cpp    | 12 +++++++-----
 test/lint/lint-includes.sh |  2 --
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/script/sigcache.cpp b/src/script/sigcache.cpp
index cf47d37e70..c6d898a25a 100644
--- a/src/script/sigcache.cpp
+++ b/src/script/sigcache.cpp
@@ -12,8 +12,10 @@
 
 #include <cuckoocache.h>
 
-#include <boost/thread/lock_types.hpp>
-#include <boost/thread/shared_mutex.hpp>
+#include <algorithm>
+#include <mutex>
+#include <shared_mutex>
+#include <vector>
 
 namespace {
 /**
@@ -29,7 +31,7 @@ private:
     CSHA256 m_salted_hasher_schnorr;
     typedef CuckooCache::cache<uint256, SignatureCacheHasher> map_type;
     map_type setValid;
-    boost::shared_mutex cs_sigcache;
+    std::shared_mutex cs_sigcache;
 
 public:
     CSignatureCache()
@@ -64,13 +66,13 @@ public:
     bool
     Get(const uint256& entry, const bool erase)
     {
-        boost::shared_lock<boost::shared_mutex> lock(cs_sigcache);
+        std::shared_lock<std::shared_mutex> lock(cs_sigcache);
         return setValid.contains(entry, erase);
     }
 
     void Set(const uint256& entry)
     {
-        boost::unique_lock<boost::shared_mutex> lock(cs_sigcache);
+        std::unique_lock<std::shared_mutex> lock(cs_sigcache);
         setValid.insert(entry);
     }
     uint32_t setup_bytes(size_t n)
diff --git a/test/lint/lint-includes.sh b/test/lint/lint-includes.sh
index 6623f9ce4c..a3c8f33e79 100755
--- a/test/lint/lint-includes.sh
+++ b/test/lint/lint-includes.sh
@@ -67,8 +67,6 @@ EXPECTED_BOOST_INCLUDES=(
     boost/signals2/optional_last_value.hpp
     boost/signals2/signal.hpp
     boost/test/unit_test.hpp
-    boost/thread/lock_types.hpp
-    boost/thread/shared_mutex.hpp
 )
 
 for BOOST_INCLUDE in $(git grep '^#include <boost/' -- "*.cpp" "*.h" | cut -f2 -d: | cut -f2 -d'<' | cut -f1 -d'>' | sort -u); do
-- 
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