From 9cb77566c305049f3208b711414880442fc7ac42 Mon Sep 17 00:00:00 2001
From: CryptoManiac <balthazar@yandex.ru>
Date: Thu, 17 Jul 2014 01:27:31 +0400
Subject: [PATCH] Turn the signature cache lock into a shared mutex

---
 src/script.cpp |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/script.cpp b/src/script.cpp
index 8a66750..4d3586a 100644
--- a/src/script.cpp
+++ b/src/script.cpp
@@ -1082,13 +1082,13 @@ private:
      // sigdata_type is (signature hash, signature, public key):
     typedef boost::tuple<uint256, std::vector<unsigned char>, CPubKey > sigdata_type;
     std::set< sigdata_type> setValid;
-    CCriticalSection cs_sigcache;
+    boost::shared_mutex cs_sigcache;
 
 public:
     bool
     Get(const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubKey)
     {
-        LOCK(cs_sigcache);
+        boost::shared_lock<boost::shared_mutex> lock(cs_sigcache);
 
         sigdata_type k(hash, vchSig, pubKey);
         std::set<sigdata_type>::iterator mi = setValid.find(k);
@@ -1106,7 +1106,7 @@ public:
         int64 nMaxCacheSize = GetArg("-maxsigcachesize", 50000);
         if (nMaxCacheSize <= 0) return;
 
-        LOCK(cs_sigcache);
+        boost::shared_lock<boost::shared_mutex> lock(cs_sigcache);
 
         while (static_cast<int64>(setValid.size()) > nMaxCacheSize)
         {
-- 
1.7.1