Add CMakeLists.txt

06.Singleton/2.Code/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.15)
+project(BuilderPattern)
+set(SRC_LIST main.cpp)
+
+get_filename_component(FOLDER_NAME ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
+get_filename_component(FOLDER_NAME ${FOLDER_NAME} NAME)
+set(EXECUTABLE_OUTPUT_PATH ${OUTPUT_DIR}/${FOLDER_NAME})
+add_executable(app6 ${SRC_LIST})

06.Singleton/2.Code/Singleton.h

@@ -0,0 +1,50 @@
+#ifndef __SINGLETON_H__
+#define __SINGLETON_H__
+
+#include <iostream>
+#include <string.h>
+#include <mutex>
+using namespace std;
+
+class Singleton_Lazy
+{
+public:
+	static Singleton_Lazy* getInstance(){
+		printf("This is Singleton Lazy mode...\n");
+		if (instance == NULL){
+			m_mutex.lock();
+			if (instance == NULL){
+				printf("创建新的实例\n");
+				instance = new Singleton_Lazy();
+			}
+			m_mutex.unlock();
+		}
+		return instance;
+	}
+private:
+	Singleton_Lazy(){}
+
+	static Singleton_Lazy* instance;
+	static std::mutex m_mutex;
+};
+
+Singleton_Lazy* Singleton_Lazy::instance = NULL;
+std::mutex Singleton_Lazy::m_mutex;
+
+
+class Singleton_Hungry
+{
+public:
+	static Singleton_Hungry* getInstance() 
+	{
+		printf("This Singleton Hungry mode...\n");
+		return instance;
+	}
+private:
+	Singleton_Hungry() {}
+	static Singleton_Hungry* instance;
+};
+
+Singleton_Hungry* Singleton_Hungry::instance = new Singleton_Hungry;
+
+#endif //__SINGLETON_H__

06.Singleton/2.Code/main.cpp

@@ -0,0 +1,111 @@
+#include <iostream>
+#include "Singleton.h"
+
+/*单例模式简单实现*/
+/*
+int main()
+{
+	Singleton *s1 = Singleton::getInstance();
+	Singleton *s2 = Singleton::getInstance();
+
+	system("pause");
+	return 0;
+}
+*/
+
+#ifdef win32
+/*非线程安全 单例模式*/
+#include <process.h>
+#include <Windows.h>
+
+//多线程，线程数目：5
+#define THREAD_NUM 5
+
+unsigned int __stdcall CallSingleton(void *pPM)
+{
+	Singleton *s = Singleton::getInstance();
+	int nThreadNum = *(int *)pPM; 
+	Sleep(50);
+	//printf("线程编号为%d\n", nThreadNum);
+	return 0;
+}
+
+
+int main()
+{
+	HANDLE  handle[THREAD_NUM];
+
+	//线程编号
+	int threadNum = 0;
+	while (threadNum < THREAD_NUM)
+	{
+		handle[threadNum] = (HANDLE)_beginthreadex(NULL, 0, CallSingleton, &threadNum, 0, NULL);
+		//等子线程接收到参数时主线程可能改变了这个i的值
+		threadNum++;
+	}
+	//保证子线程已全部运行结束
+	WaitForMultipleObjects(THREAD_NUM, handle, TRUE, INFINITE);
+
+	system("pause");
+	return 0;
+}
+/* for linux platform */
+#else
+#define THREAD_NUM 6
+#include<pthread.h>
+void* callSingleton_Lazy(void*)
+{
+	Singleton_Lazy *s = Singleton_Lazy::getInstance();
+	pthread_t nThreadNum = pthread_self();
+	// sleep(50);
+	printf("线程编号为%lu\n", nThreadNum);
+	return 0;
+}
+
+void* callSingleton_Hungry(void*)
+{
+	Singleton_Hungry *s = Singleton_Hungry::getInstance();
+	pthread_t nThreadNum = pthread_self();
+	// sleep(50);
+	printf("线程编号为%ld\n", nThreadNum);
+	return 0;
+}
+
+int main()
+{
+	pthread_t threads_pool[THREAD_NUM];
+	int tids[THREAD_NUM], i;
+	void* status;
+	pthread_attr_t attr;
+
+	pthread_attr_init(&attr);
+	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+	for(i = 0; i < THREAD_NUM; i++) 
+	{
+		if(i < THREAD_NUM / 2)
+			tids[i] = pthread_create(&threads_pool[i], NULL, callSingleton_Lazy, (void*)&i);
+		else 
+			tids[i] = pthread_create(&threads_pool[i], NULL, callSingleton_Hungry, (void*)&i);
+		if(tids[i]) 
+		{
+			printf("Error: unable to create thread.\n");
+			exit(-1);
+		}
+	}
+
+	pthread_attr_destroy(&attr);
+	for(i = 0; i < THREAD_NUM; i++) 
+	{
+		tids[i] = pthread_join(threads_pool[i], &status);
+		if(tids[i])
+		{
+			printf("Error: unable to join.\n");
+			exit(-1);
+		}
+	}
+	printf("main exiting.\n");
+	return 0;
+}
+
+#endif

07.AdapterPattern/2.Code/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.15)
+project(BuilderPattern)
+set(SRC_LIST main.cpp)
+
+get_filename_component(FOLDER_NAME ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
+get_filename_component(FOLDER_NAME ${FOLDER_NAME} NAME)
+set(EXECUTABLE_OUTPUT_PATH ${OUTPUT_DIR}/${FOLDER_NAME})
+add_executable(app7 ${SRC_LIST})

08.BridgePattern/2.Code/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.10)
+project(SimpleFactory)
+set(SRC_LIST main.cpp)
+get_filename_component(FOLDER_NAME ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
+get_filename_component(FOLDER_NAME ${FOLDER_NAME} NAME)
+set(EXECUTABLE_OUTPUT_PATH ${OUTPUT_DIR}/${FOLDER_NAME}/)
+add_executable(app8 ${SRC_LIST})

CMakeLists.txt

@@ -9,4 +9,7 @@ add_subdirectory(02.FactoryMethod/2.Code/)
 add_subdirectory(03.AbstractFactory/2.Code/)
 add_subdirectory(04.BuilderPattern/2.Code/)
 add_subdirectory(05.PrototypePattern/2.Code/)
+add_subdirectory(06.Singleton/2.Code/)
+add_subdirectory(07.AdapterPattern/2.Code/)
+add_subdirectory(08.BridgePattern/2.Code/)
 add_subdirectory(17.IteratorPattern/2.Code/)