添加对Linux平台多线程单例模式调用的支持
parent
92a17eed14
commit
2c293e434b
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@ -13,7 +13,7 @@ public:
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if (instance == NULL){
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m_mutex.lock();
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if (instance == NULL){
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printf("创建新的实例\n");
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printf("创建新的实例\n");
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instance = new Singleton();
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}
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m_mutex.unlock();
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@ -1,7 +1,7 @@
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#include <iostream>
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#include "Singleton.h"
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/*单例模式简单实现*/
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/*单例模式简单实现*/
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/*
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int main()
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{
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@ -13,11 +13,12 @@ int main()
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}
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*/
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/*非线程安全 单例模式*/
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#ifdef win32
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/*非线程安全 单例模式*/
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#include <process.h>
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#include <Windows.h>
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//多线程,线程数目:5
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//多线程,线程数目:5
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#define THREAD_NUM 5
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unsigned int __stdcall CallSingleton(void *pPM)
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@ -25,7 +26,7 @@ unsigned int __stdcall CallSingleton(void *pPM)
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Singleton *s = Singleton::getInstance();
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int nThreadNum = *(int *)pPM;
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Sleep(50);
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//printf("线程编号为%d\n", nThreadNum);
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//printf("线程编号为%d\n", nThreadNum);
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return 0;
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}
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@ -34,17 +35,43 @@ int main()
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{
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HANDLE handle[THREAD_NUM];
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//线程编号
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//线程编号
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int threadNum = 0;
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while (threadNum < THREAD_NUM)
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{
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handle[threadNum] = (HANDLE)_beginthreadex(NULL, 0, CallSingleton, &threadNum, 0, NULL);
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//等子线程接收到参数时主线程可能改变了这个i的值
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//等子线程接收到参数时主线程可能改变了这个i的值
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threadNum++;
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}
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//保证子线程已全部运行结束
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//保证子线程已全部运行结束
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WaitForMultipleObjects(THREAD_NUM, handle, TRUE, INFINITE);
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system("pause");
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return 0;
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}
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}
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/* for linux platform */
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#else
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#define THREAD_NUM 5
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#include<pthread.h>
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void* callSingleton(void *pPM)
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{
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Singleton *s = Singleton::getInstance();
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pthread_t nThreadNum = pthread_self();
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// sleep(50);
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printf("线程编号为%ld\n", nThreadNum);
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return 0;
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}
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int main()
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{
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pthread_t threads_pool[THREAD_NUM];
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int tids[THREAD_NUM];
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for(int i = 0; i < THREAD_NUM; i++)
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{
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tids[i] = pthread_create(&threads_pool[i], NULL, callSingleton, NULL);
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pthread_join(threads_pool[i], (void**)&tids[i]);
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}
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return 0;
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}
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#endif
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