From b2fc49569c63545ffa9d9b3e88306ded9c9997bc Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Fri, 17 Jul 2020 14:05:21 +0200
Subject: [PATCH] Make ConfigType#m_Mutex a std::shared_timed_mutex

refs #8112
---
 lib/base/configtype.cpp | 10 +++++-----
 lib/base/configtype.hpp |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/base/configtype.cpp b/lib/base/configtype.cpp
index 81f2c93d4..b266cd23f 100644
--- a/lib/base/configtype.cpp
+++ b/lib/base/configtype.cpp
@@ -11,7 +11,7 @@ ConfigType::~ConfigType()
 
 ConfigObject::Ptr ConfigType::GetObject(const String& name) const
 {
-	std::unique_lock<std::mutex> lock(m_Mutex);
+	std::shared_lock<decltype(m_Mutex)> lock (m_Mutex);
 
 	auto nt = m_ObjectMap.find(name);
 
@@ -26,7 +26,7 @@ void ConfigType::RegisterObject(const ConfigObject::Ptr& object)
 	String name = object->GetName();
 
 	{
-		std::unique_lock<std::mutex> lock(m_Mutex);
+		std::unique_lock<decltype(m_Mutex)> lock (m_Mutex);
 
 		auto it = m_ObjectMap.find(name);
 
@@ -51,7 +51,7 @@ void ConfigType::UnregisterObject(const ConfigObject::Ptr& object)
 	String name = object->GetName();
 
 	{
-		std::unique_lock<std::mutex> lock(m_Mutex);
+		std::unique_lock<decltype(m_Mutex)> lock (m_Mutex);
 
 		m_ObjectMap.erase(name);
 		m_ObjectVector.erase(std::remove(m_ObjectVector.begin(), m_ObjectVector.end(), object), m_ObjectVector.end());
@@ -60,7 +60,7 @@ void ConfigType::UnregisterObject(const ConfigObject::Ptr& object)
 
 std::vector<ConfigObject::Ptr> ConfigType::GetObjects() const
 {
-	std::unique_lock<std::mutex> lock(m_Mutex);
+	std::shared_lock<decltype(m_Mutex)> lock (m_Mutex);
 	return m_ObjectVector;
 }
 
@@ -71,6 +71,6 @@ std::vector<ConfigObject::Ptr> ConfigType::GetObjectsHelper(Type *type)
 
 int ConfigType::GetObjectCount() const
 {
-	std::unique_lock<std::mutex> lock(m_Mutex);
+	std::shared_lock<decltype(m_Mutex)> lock (m_Mutex);
 	return m_ObjectVector.size();
 }
diff --git a/lib/base/configtype.hpp b/lib/base/configtype.hpp
index 0ca7d9e6e..c77fc5ec2 100644
--- a/lib/base/configtype.hpp
+++ b/lib/base/configtype.hpp
@@ -7,7 +7,7 @@
 #include "base/object.hpp"
 #include "base/type.hpp"
 #include "base/dictionary.hpp"
-#include <mutex>
+#include <shared_mutex>
 #include <unordered_map>
 
 namespace icinga
@@ -52,7 +52,7 @@ private:
 	typedef std::unordered_map<String, intrusive_ptr<ConfigObject> > ObjectMap;
 	typedef std::vector<intrusive_ptr<ConfigObject> > ObjectVector;
 
-	mutable std::mutex m_Mutex;
+	mutable std::shared_timed_mutex m_Mutex;
 	ObjectMap m_ObjectMap;
 	ObjectVector m_ObjectVector;