增加共享内存

include/util/sharedmem.h

@@ -0,0 +1,46 @@
+#pragma once
+#include "base/define.h"
+#include "base/error.h"
+namespace ylib
+{
+	/// <summary>
+	/// 共享内存
+	/// </summary>
+	class sharedmem:public ylib::error_base
+	{
+	public:
+		/// <summary>
+		/// 自动销毁
+		/// </summary>
+		/// <param name="auto_free"></param>
+		sharedmem(bool auto_free = false);
+		~sharedmem();
+		/// <summary>
+		/// 创建
+		/// </summary>
+		/// <param name="name"></param>
+		/// <param name="size"></param>
+		/// <returns></returns>
+		bool create(const std::string& name,size_t size);
+		/// <summary>
+		/// 销毁
+		/// </summary>
+		void destory();
+
+
+		void* mem() const { return m_memory; }
+
+
+		uchar operator[](size_t );
+	private:
+		std::string m_name;
+		size_t m_size = 0;
+		void* m_memory = nullptr;
+		bool m_auto_free = false;
+#ifdef _WIN32
+		void* m_handle = 0;
+#else
+		int m_handle = -1;
+#endif
+	};
+}