latest SDK

pfc/pool.h

@@ -0,0 +1,42 @@
+#pragma once
+#include "synchro.h"
+#include <memory>
+#include <list>
+
+namespace pfc {
+	template<typename obj_t>
+	class objPool {
+	public:
+		objPool() : m_maxCount(pfc_infinite) {}
+		typedef std::shared_ptr<obj_t> objRef_t;
+
+		objRef_t get() {
+			insync(m_sync);
+			auto i = m_pool.begin();
+			if ( i == m_pool.end() ) return nullptr;
+			auto ret = *i;
+			m_pool.erase(i);
+			return ret;
+		}
+		objRef_t make() {
+			auto obj = get();
+			if ( ! obj ) obj = std::make_shared<obj_t>();
+			return obj;
+		}
+		void setMaxCount(size_t c) {
+			insync(m_sync);
+			m_maxCount = c;
+		}
+		void put(objRef_t obj) {
+			insync(m_sync); 
+			if ( m_pool.size() < m_maxCount ) {
+				m_pool.push_back(obj);
+			}
+		}
+	private:
+		size_t m_maxCount;
+		std::list<objRef_t> m_pool;
+		critical_section m_sync;
+	};
+
+}