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1159// LuaTest.cpp : 定义控制台应用程序的入口点。 // #include "stdafx.h" #include <windows.h> #include<iostream> #include <luabind/luabind.hpp> #include <luabind/lua_include.hpp> #include<string.h> using namespace std; #include <stdio.h> #include <process.h> #include "conio.h" extern "C" { #include <lua.h> #include <lualib.h> #include <lauxlib.h> }; //#include<lua.hpp> //#include<luabind/luabind.hpp> #include <luabind/function.hpp>//注册函数 using namespace luabind; static int CppFunctionName(lua_State *L) { // 向函数栈中压入2个值 lua_pushnumber(L, 10); lua_pushstring(L, "dugaode hello world"); /* 返回值个数,2表示返回2个参数 */ return 2; } static struct StudentTag { char *strName; // 学生姓名 char *strNum; // 学号 int iSex; // 学生性别 int iAge; // 学生年龄 }; class dugaodaInfo { public: dugaodaInfo(); ~dugaodaInfo(); inline void print() { cout << " functionresult " << mm << endl; }; private: int mm; }; dugaodaInfo::dugaodaInfo() { mm = 1; } dugaodaInfo::~dugaodaInfo() { } //lua 中通过调用这个接口来得到 pStudent指针 static int Student(lua_State *L) { size_t iBytes = sizeof(struct StudentTag); struct StudentTag *pStudent; pStudent = (struct StudentTag *)lua_newuserdata(L, iBytes); return 1; // 新的userdata已经在栈上了 } static int GetName(lua_State *L) { struct StudentTag *pStudent = (struct StudentTag *)lua_touserdata(L, 1); luaL_argcheck(L, pStudent != NULL, 1, "Wrong Parameter"); lua_pushstring(L, pStudent->strName); return 1; } static int SetName(lua_State *L) { // 第一个参数是userdata struct StudentTag *pStudent = (struct StudentTag *)lua_touserdata(L, 1); luaL_argcheck(L, pStudent != NULL, 1, "Wrong Parameter"); // 第二个参数是一个字符串 const char *pName = luaL_checkstring(L, 2);//检查第2个参数是不是string,并返回参数值 luaL_argcheck(L, pName != NULL && pName != "", 2, "Wrong Parameter"); pStudent->strName = (char *)pName; return 0; } static int GetAge(lua_State *L) { struct StudentTag *pStudent = (struct StudentTag *)lua_touserdata(L, 1); luaL_argcheck(L, pStudent != NULL, 1, "Wrong Parameter"); lua_pushinteger(L, pStudent->iAge); return 1; } static int SetAge(lua_State *L) { struct StudentTag *pStudent = (struct StudentTag *)lua_touserdata(L, 1); luaL_argcheck(L, pStudent != NULL, 1, "Wrong Parameter"); int iAge = luaL_checkinteger(L, 2); luaL_argcheck(L, iAge >= 6 && iAge <= 100, 2, "Wrong Parameter"); pStudent->iAge = iAge; return 0; } static int GetSex(lua_State *L) { // 这里由你来补充 struct StudentTag *pStudent = (struct StudentTag *)lua_touserdata(L, 1); luaL_argcheck(L, pStudent != NULL, 1, "get wrong arg from lua"); lua_pushnumber(L, pStudent->iSex);//通过C++操作把数据放入到堆栈中, 1表示男 2表示女 return 1; } static int SetSex(lua_State *L) { // 这里由你来补充 struct StudentTag *pStudent = (struct StudentTag *)lua_touserdata(L, 1); luaL_argcheck(L, pStudent != NULL, 1, "get wrong arg from lua"); int iSex = luaL_checkinteger(L, 2); luaL_argcheck(L, iSex == 1 || iSex == 2, 2, "get wrong arg from lua"); pStudent->iSex = iSex; return 0; } static int GetNum(lua_State *L) { // 这里由你来补充 return 1; } static int SetNum(lua_State *L) { // 这里由你来补充 return 0; } static struct luaL_reg arrayFunc[] = { {"new", Student},//注册成为Student的接口 {"getName", GetName}, {"setName", SetName}, {"getAge", GetAge}, {"setAge", SetAge}, {"getSex", GetSex}, {"setSex", SetSex}, {"getNum", GetNum}, {"setNum", SetNum}, {NULL, NULL} }; int luaopen_userdatademo1(lua_State *L) { luaL_register(L, "Student", arrayFunc); luaL_dofile(L, "main.lua"); return 1; } int luaopen_lightuserdatademo(lua_State *L) { static char key = 'key'; lua_pushlightuserdata(L, (void *)&key); lua_pushstring(L, "JellyThink"); lua_settable(L, LUA_REGISTRYINDEX); //luaL_register(L, "Student", arrayFunc); //luaL_dofile(L, "main.lua"); return 1; } //子线程函数 DWORD WINAPI ThreadFun(LPVOID pM) { printf("子线程的线程ID号为:%d", GetCurrentThreadId()); printf("子线程输出 杜高达"); return 0; } int nThreadAmount = 0; unsigned int WINAPI ThreadFun2(LPVOID pM) { nThreadAmount++; printf("%dn", nThreadAmount); printf("子线程的线程ID号为:%dn", GetCurrentThreadId()); printf("子线程输出 杜高达n"); return 0; } volatile long g_nLoginCount;//登录次数 unsigned int __stdcall Fun(void *pPM);//线程函数 const int THREAD_NUM = 100;//启动线程数 unsigned int __stdcall ThreadFun3(void *pPM) { Sleep(100); g_nLoginCount++; Sleep(50); return 0; } unsigned int __stdcall ThreadFun4(void *pPM) { Sleep(100); InterlockedIncrement((LPLONG)&g_nLoginCount); Sleep(50); return 0; } long g_nNum; const int THREAD_NUM5 = 10;//启动线程数 unsigned int __stdcall ThreadFun5(void *pPM);//线程函数 unsigned int __stdcall ThreadFun5(void *pPM) { int nThreadNum = *(int *)pPM;//子线程获取参数 Sleep(50); g_nNum++; Sleep(0); printf("线程编号为%d 全局资源值为%dn", nThreadNum, g_nNum); return 0; } long g_nResAmount; const int THREAD_NUM6 = 10; CRITICAL_SECTION g_csThreadParameter, g_csThreadCode; unsigned int __stdcall ThreadFun6(void *pPM); unsigned int __stdcall ThreadFun6(void *pPM) { int nThreadNum = *(int *)pPM; LeaveCriticalSection(&g_csThreadParameter);//离开子线程序号关键区域 Sleep(50); EnterCriticalSection(&g_csThreadCode);//进入各子线程互斥区域 g_nResAmount++; Sleep(0); printf("线程编号为%d 全局资源值为%dn", nThreadNum, g_nResAmount); LeaveCriticalSection(&g_csThreadCode); return 0; } long g_nResNum7; unsigned int __stdcall ThreadFun7(void *pPM); const int THREAD_NUM7 = 10; //事件与关键段 HANDLE g_hThreadEvent; CRITICAL_SECTION g_csThreadCode7; unsigned int __stdcall ThreadFun7(void *pPM) { int nThreadAmount = *(int *)pPM; SetEvent(g_hThreadEvent);//触发事件 Sleep(50); EnterCriticalSection(&g_csThreadCode7); g_nResNum7++; Sleep(0); printf("线程编号为%d 全局资源值为%dn", nThreadAmount, g_nResNum7); LeaveCriticalSection(&g_csThreadCode7); return 0; } HANDLE g_hThreadEvent8; //快线程 unsigned int __stdcall FastThreadFun(void *pPm) { Sleep(10);//用这个来保证各线程调用等待函数的次序有一定的随机性 printf("%s 启动n", (PSTR)pPm); WaitForSingleObject(g_hThreadEvent8, INFINITE); printf("%s 等到事件被触发 顺利结束n", (PSTR)pPm); return 0; } //慢线程 unsigned int __stdcall SlowThreadFun(void *pPm) { Sleep(100); printf("%s 启动n", (PSTR)pPm); WaitForSingleObject(g_hThreadEvent8, INFINITE); printf("%s 等到事件被触发 顺利结束n", (PSTR)pPm); return 0; } long g_nResAmount9; unsigned int __stdcall ThreadFun9(void *pPm); const int THREAD_NUM9 = 10; HANDLE g_hThreadParameter9; CRITICAL_SECTION g_csThreadCode9; unsigned int __stdcall ThreadFun9(void *pPm) { int nThreadNum = *(int *)pPm; ReleaseMutex(g_hThreadParameter9);//触发互斥量 Sleep(50); EnterCriticalSection(&g_csThreadCode9); g_nResAmount9++; Sleep(0); printf("线程编号为%d 全局资源值为%dn", nThreadNum, g_nResAmount9); LeaveCriticalSection(&g_csThreadCode9); return 0; } const char MUTEX_NAME[] = "Mutex_MoreWindows"; long g_nResNum10; unsigned int __stdcall ThreadFun10(void *pPm); const int THREAD_NUM10 = 10; HANDLE g_hThreadParameter10; CRITICAL_SECTION g_csThreadCode10; unsigned int __stdcall ThreadFun10(void *pPm) { int nThreadNum = *(int *)pPm; ReleaseSemaphore(g_hThreadParameter10, 1, NULL);//信号量++ Sleep(0); EnterCriticalSection(&g_csThreadCode10); ++g_nResNum10; Sleep(0); printf("线程编号%d,资源编号%dn", nThreadNum, g_nResNum10); LeaveCriticalSection(&g_csThreadCode10); return 0; } //设置控制台输出文字颜色 BOOL SetConsoleColor(WORD wAttributes) { HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE); if (hConsole == INVALID_HANDLE_VALUE) { return FALSE; } return SetConsoleTextAttribute(hConsole, wAttributes); } //const int END_PRODUCE_NUMBER = 10; //int g_nBuffer;//缓冲区 //CRITICAL_SECTION g_cs; //HANDLE g_hEventBufferEmpty, g_hEventBufferFull; // 生产者线程函数 //unsigned int __stdcall ProducerThreadFun(PVOID pM) //{ // for (int i = 1; i <= END_PRODUCE_NUMBER; i++) // { // //等待缓冲区为空 // WaitForSingleObject(g_hEventBufferEmpty, INFINITE); // // //互斥的访问缓冲区 // EnterCriticalSection(&g_cs); // g_nBuffer = i; // printf("生产者将数据%d放入缓冲区n", i); // LeaveCriticalSection(&g_cs); // // //设置缓冲区有新数据 // SetEvent(g_hEventBufferFull); // } // return 0; //} // 消费者线程函数 //unsigned int __stdcall ConsumerThreadFun(PVOID pM) //{ // volatile bool flag = true; // while (flag) // { // WaitForSingleObject(g_hEventBufferFull, INFINITE); // // //互斥的访问缓冲区 // EnterCriticalSection(&g_cs); // SetConsoleColor(FOREGROUND_RED); // printf("消费者得到的数据为%dn", g_nBuffer); // SetConsoleColor(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE); // if (g_nBuffer == END_PRODUCE_NUMBER) // flag = false; // LeaveCriticalSection(&g_cs); // // SetEvent(g_hEventBufferEmpty); // Sleep(10); // } // return 0; //} //1生产者 2消费者 4缓冲区 const int END_PRODUCE_NUMBER2 = 10; int g_nBuffer2[4];//缓冲区 int g_i, g_j; CRITICAL_SECTION g_cs2; HANDLE g_hSemaphoreBufferEmpty2, g_hSemaphoreBufferFull2; //生产者线程函数 unsigned int __stdcall ProducerThreadFun2(PVOID pM) { for (int i = 1; i <= END_PRODUCE_NUMBER2; i++) { //等待缓冲区为空 WaitForSingleObject(g_hSemaphoreBufferEmpty2, INFINITE); //互斥的访问缓冲区 EnterCriticalSection(&g_cs2); g_nBuffer2[g_i] = i; printf("生产者在缓冲池第%d个缓冲区中投放数据%dn", g_i, g_nBuffer2[g_i]); g_i = (g_i + 1 ) % 4; LeaveCriticalSection(&g_cs2); //通知消费者有新数据了 ReleaseSemaphore(g_hSemaphoreBufferFull2, 1, NULL); } return 0; } //消费者线程函数 unsigned int __stdcall ConsumerThreadFun2(PVOID pM) { while (true) { //等待非空的缓冲区出现 WaitForSingleObject(g_hSemaphoreBufferFull2, INFINITE); //互斥的访问缓冲区 EnterCriticalSection(&g_cs2); //逻辑处理 SetConsoleColor(FOREGROUND_GREEN); printf("消费者信息, 线程ID为%d, 从缓冲池%d取得数据%dn", GetCurrentThreadId(), g_j, g_nBuffer2[g_j]); SetConsoleColor(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);//设置会原来的控制台颜色 if (g_nBuffer2[g_j] == END_PRODUCE_NUMBER2) //结束标记 { LeaveCriticalSection(&g_cs2); //通知其它消费者有新数据了(结束标志) ReleaseSemaphore(g_hSemaphoreBufferFull2, 1, NULL); break; } g_j = (g_j + 1) % 4; LeaveCriticalSection(&g_cs2); Sleep(50); ReleaseSemaphore(g_hSemaphoreBufferEmpty2, 1, NULL); } SetConsoleColor(FOREGROUND_RED); printf("编号为%d的消费者收到通知,线程结束运行n", GetCurrentThreadId()); SetConsoleColor(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE); return 0; } const int READER_NUM = 5;//读者数量 CRITICAL_SECTION g_cs12, g_cs_writer_count; HANDLE g_hEventWriter, g_hEventNoReader; int g_nReaderCount; //读者线程输出函数(变参函数的实现) void ReaderPrintf(char *pszFormat, ...) { va_list pArgList; va_start(pArgList, pszFormat); EnterCriticalSection(&g_cs12); vfprintf(stdout, pszFormat, pArgList); LeaveCriticalSection(&g_cs12); va_end(pArgList); } //读者线程函数 unsigned int __stdcall ReaderThreadFun(PVOID pPm) { ReaderPrintf("编号为%d的线程进入等待中.....n", GetCurrentThreadId()); //等待写者完成。 //等待g_hEventWriter线程函数中的内容调用结束, //在这个线程函数中只有设置g_event为有信号状态时才执行下面的EnterCriticalSection等内容 WaitForSingleObject(g_hEventWriter, INFINITE); //读者个数增加 EnterCriticalSection(&g_cs_writer_count); g_nReaderCount++; if (g_nReaderCount == 1) { //手动把g_hEventNoReader设置成为无信号状态 ResetEvent(g_hEventNoReader);//把g_hEventNoReader设置成无信号状态, } LeaveCriticalSection(&g_cs_writer_count); //读取文件 ReaderPrintf("编号为%d的线程开始读取文件.....n", GetCurrentThreadId()); Sleep(rand() % 100); ReaderPrintf("编号为%d的线程读取文件结束.....n", GetCurrentThreadId()); //读者个数减少 EnterCriticalSection(&g_cs_writer_count); g_nReaderCount--; if (g_nReaderCount == 0) { //把g_hEventNoReader设置成为有信号状态 SetEvent(g_hEventNoReader);//激活g_hEventNoReader事件,使得g_hEventNoReader变成有信号状态 } LeaveCriticalSection(&g_cs_writer_count); return 0; } //写者线程输出函数 void WriterPrintf(char *pszStr) { printf("写者输出n"); EnterCriticalSection(&g_cs12); SetConsoleColor(FOREGROUND_BLUE); printf(" %sn", pszStr); SetConsoleColor(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE); LeaveCriticalSection(&g_cs12); } //写者线程 unsigned int __stdcall WriterThreadFun(PVOID pPm) { WriterPrintf("写者线程进入等待中......"); //等待g_hEventNoReader事件触发接触从而进入到现在的线程函数中 WaitForSingleObject(g_hEventNoReader, INFINITE); //标记写者正在写文件 ResetEvent(g_hEventWriter);//把g_hEventWriter设置成为无信号状态 WriterPrintf("写者开始写文件"); Sleep(rand() % 100); WriterPrintf("写者写文件结束"); //标记写者写文件结束 SetEvent(g_hEventWriter);//写者操作结束,把g_hEventWriter设置成为无信号状态 return 0; } const int READER_NUM14 = 6; CRITICAL_SECTION g_cs14; SRWLOCK g_srwLock;//读写锁 unsigned int __stdcall ReaderThreadFun14(PVOID pPm) { ReaderPrintf(" 编号为%d的读者进入等待中...n", GetCurrentThreadId()); //读者申请读取文件 AcquireSRWLockShared(&g_srwLock); //读取文件 ReaderPrintf("编号为%d的读者开始读取文件...n", GetCurrentThreadId()); Sleep(rand() % 100); ReaderPrintf(" 编号为%d的读者结束读取文件n", GetCurrentThreadId()); //读者结束读取文件 ReleaseSRWLockShared(&g_srwLock); } unsigned int __stdcall WriterThreadFun(PVOID pPm) { WriterPrintf("写者线程进入等待中..."); //写者申请写文件 AcquireSRWLockExclusive(&g_srwLock); //写文件 WriterPrintf(" 写者开始写文件....."); Sleep(rand() % 100); WriterPrintf(" 写者结束写文件"); //标记写者结束写文件 ReleaseSRWLockExclusive(&g_srwLock); } int _tmain(int argc, _TCHAR* argv[]) { //lua_State *L = luaL_newstate(); //if (L) //{ // luaL_openlibs(L); //} //int nRet = luaL_dofile(L, "test.lua"); //if (nRet) //{ // cout<<"load file error"<<endl; //} // // //读取lua中的变量 // lua_getglobal(L,"myname"); // string str = lua_tostring(L, -1); // cout << "myname = " << str.c_str() << endl; // // //读取table // lua_getglobal(L, "myluatable"); // lua_getfield(L, -1, "name");//lua_getfield读取table中字段的值,将字段的值读取到栈中; // if (lua_isstring(L, -1)) // { // str = lua_tostring(L, -1); // cout << "myluatable name = " << str.c_str() << endl; // } // //修改table中的值 // lua_pushstring(L, "杜高达很帅!"); // // 将这个值设置到table中(此时myluatable在栈的位置为2) // lua_setfield(L, 2, "name"); // // 新建table // //lua_newtable(L); // //lua_pushstring(L, "xiaoxiaodu"); //将值压入栈 // //lua_setfield(L, -2, "name"); //将值设置到table中,并将Give me a girl friend 出栈 // // // 检查myluatable中的值 // //lua_getglobal(L, "myluatable"); // //lua_getfield(L, -1, "name");//lua_getfield读取table中字段的值,将字段的值读取到栈中; // //if (lua_isstring(L, -1)) // //{ // // str = lua_tostring(L, -1); // // cout << "myluatable name = " << str.c_str() << endl; // //} // //C++调用lua中的读取函数 //lua_getglobal(L, "dugaodafunction"); //lua_pushnumber(L, 20); //lua_setglobal(L, "dde"); //luaL_dofile(L, "tabletest.lua"); //lua_pushnumber(L, 50); //nRet = lua_pcall(L, 2, 1, 0); //if (nRet) //{ // cout << " error " << endl; //} //if (lua_isnumber(L, -1)) //{ // int functionresult = lua_tonumber(L, -1); // cout << " functionresult " << functionresult << endl; //} // //lua调用C++中的函数 //lua_register(pL, "LuaFunctionName", CppFunctionName); //luaL_register(L, "Student", arrayFunc);//可以注册多个函数接口 //luaopen_userdatademo1(L); //lua_rawget() //lua_ref() //int a = 1; lua_close(pL); //StudentTag aaa; //lua_pushlightuserdata(pL, (void *)&aaa); //lua_pushstring(pL , "JellyThink" ); //lua_settable(pL , LUA_REGISTRYINDEX ); //lua_pushcclosure() //lua_setglobal() 操作lua中的table //lua_State* pL = lua_open(); //luaopen_base(pL); //luaL_openlibs(pL); //luaL_dofile(pL, "Init.lua"); //lua_getglobal(pL, "background"); //if (!lua_istable(pL, -1)) //{ // return 0; //} //lua_pushnumber(pL, 10); //if (lua_isnumber(pL, -1)) //{ // cout << "lua_isnumber"<< endl; //} //if (lua_istable(pL, -2)) //{ // cout << "lua_istable"<< endl; //} //lua_State* pL = lua_open(); //luaopen_base(pL); //luabind::open(pL); //static char key = 'k'; //lua_pushlightuserdata(L, (void *)&key); //lua_setglobal(L, "ddee"); //luaL_dofile(L, "tabletest.lua"); //dugaodaInfo *pp; //luabind:object l_oboo(L, pp); //l_oboo.push(pp); //功能: 执行挂起一段时间 //Sleep(DWORD dwMilliseconds); //#include <windows.h> //(Sleep函数存放头文件:WinBase.h) //Sleep()单位为毫秒,sleep()单位为秒(如果需要更精确可以用usleep单位为微秒) //HANDLE CreateThread(LPSECURITY_ATTRIBUTES lpThreadAttributes,//线程安全 // DWORD dwStackSize, //线程堆栈的初始化大小,等于0时,为系统默认的堆栈大小 // LPTHREAD_START_ROUTINE lpStartAddress, //线程函数 // LPVOID lpParameter, //线程参数 // DWORD dwCreationFlags, //创建方式 // LPDWORD lpThreadId //线程标识符 // ); //system("pause"); 功能说明:等待所有的线程被激发 WaitForMultipleObjects() 功能说明:阻塞等待请求资源,这个函数在多线程中可以起到阻塞线程的作用 WaitForSingleObject() 1.使用CreateThread来创建线程 //printf("创建多线程"); //HANDLE handle = CreateThread(NULL, 0, ThreadFun, NULL, 0, NULL); //WaitForSingleObject(handle, INFINITE); 2.使用_beginthreadex来创建线程 创建线程的函数_beginthreadex() _beginthreadex(); //const int THREAD_NUM = 5; //HANDLE handle[THREAD_NUM]; //for (int i = 0; i < THREAD_NUM; i++) //{ // handle[i] = (HANDLE)_beginthreadex(NULL, 0, ThreadFun2, NULL, 0, NULL); //} //WaitForMultipleObjects(THREAD_NUM, handle, TRUE, INFINITE); 3.模拟多个用户登录 //g_nLoginCount = 0; //HANDLE handle[THREAD_NUM]; //for (int i = 0; i < THREAD_NUM; i++) //{ // handle[i] = (HANDLE)_beginthreadex(NULL, 0, ThreadFun3, NULL, 0, NULL); //} //WaitForMultipleObjects(THREAD_NUM, handle, TRUE, INFINITE); //printf("有%d个用户登录后记录结果是%dn", THREAD_NUM, g_nLoginCount); 4.增加点用户来试试,现在模拟50个用户登录,为了便于观察结果,在程序中将50个用户登录过程重复20次 //int nNum = 20; //while (nNum--) //{ // g_nLoginCount = 0; // int i = 0; // HANDLE handle[THREAD_NUM]; // for (i = 0; i < THREAD_NUM; i++) // { // handle[i] = (HANDLE)_beginthreadex(NULL, 0, ThreadFun4, NULL, 0, NULL); // } // WaitForMultipleObjects(THREAD_NUM, handle, TRUE, INFINITE); // printf("有%d个用户登录后记录结果是%dn", THREAD_NUM, g_nLoginCount); //} 5.一个经典的多线程同步问题,原子操作 Interlocked系列函数 //g_nNum = 0; //HANDLE handle[THREAD_NUM5]; //int i = 0; //while (i < THREAD_NUM5) //{ // handle[i] = (HANDLE)_beginthreadex(NULL, 0, ThreadFun5, &i, 0, NULL); // i++; //} //WaitForMultipleObjects(THREAD_NUM5, handle, TRUE, INFINITE); //6.经典线程同步 关键段CS 临界区 //函数说明:定义关键段变量后必须先初始化。 //void InitializeCriticalSection(LPCRITICAL_SECTION lpCriticalSection); //函数说明:用完之后记得销毁。 //void DeleteCriticalSection(LPCRITICAL_SECTION lpCriticalSection); //函数说明:系统保证各线程互斥的进入关键区域。 //void EnterCriticalSection(LPCRITICAL_SECTION lpCriticalSection); //函数功能:离开关关键区域 //void LeaveCriticalSection(LPCRITICAL_SECTIONlpCriticalSection); //函数功能:初始化关键段并设置旋转次数 //BOOL InitializeCriticalSectionAndSpinCount(LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount); //函数功能:修改关键段的旋转次数 //DWORD SetCriticalSectionSpinCount(LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount) 关键段初始化 //InitializeCriticalSection(&g_csThreadParameter); //InitializeCriticalSection(&g_csThreadCode); //HANDLE handle[THREAD_NUM6]; //g_nResAmount = 0; //int i = 0; //while (i < THREAD_NUM6) //{ // EnterCriticalSection(&g_csThreadParameter); // handle[i] = (HANDLE)_beginthreadex(NULL, 0, ThreadFun6, &i, 0, NULL); // ++i; //} //WaitForMultipleObjects(THREAD_NUM6, handle, TRUE, INFINITE); //DeleteCriticalSection(&g_csThreadParameter); //DeleteCriticalSection(&g_csThreadCode); //上面会出现一个问题,会对同一个线程多次打印。临界区只能用于 //线程间的互相限制,不能对主线程限制 //7. 经典线程同步 事件Event //函数功能:根据名称获得一个事件句柄。 //函数原型: // // HANDLE OpenEvent( // // DWORDdwDesiredAccess, // // BOOLbInheritHandle, // // LPCTSTRlpName //名称 // // ); //函数功能:触发事件 //BOOL SetEvent(HANDLE hEvent); //函数功能:将事件设为末触发 //BOOL ResetEvent(HANDLE hEvent); //函数功能:将事件触发后立即将事件设置为未触发,相当于触发一个事件脉冲。 //BOOL PulseEvent(HANDLE hEvent); //g_hThreadEvent = CreateEvent(NULL, FALSE, FALSE, NULL); //InitializeCriticalSection(&g_csThreadCode7); //HANDLE handle[THREAD_NUM7]; //g_nResNum7 = 0; //int i = 0; //while (i < THREAD_NUM7) //{ // handle[i] = (HANDLE)_beginthreadex(NULL, 0, ThreadFun7, &i, 0, NULL); // WaitForSingleObject(g_hThreadEvent, INFINITE); // i++; //} //WaitForMultipleObjects(THREAD_NUM, handle, TRUE, INFINITE); //CloseHandle(g_hThreadEvent); //DeleteCriticalSection(&g_csThreadCode7); 8.快线程 慢线程 //BOOL bManualReset = TRUE; 创建事件 第二个参数手动置位TRUE,自动置位FALSE //g_hThreadEvent8 = CreateEvent(NULL, bManualReset, FALSE, NULL); //if (bManualReset == TRUE) // printf("当前使用手动置位事件n"); //else // printf("当前使用自动置位事件n"); //char szFastThreadName[5][30] = {"快线程1000", "快线程1001", "快线程1002", "快线程1003", "快线程1004"}; //char szSlowThreadName[2][22] = {"慢线程196", "慢线程197"}; //for (int i = 0; i < 5; i++) //{ // _beginthreadex(NULL, 0, FastThreadFun, szFastThreadName[i], 0, NULL); //} //for (int i = 0; i < 2; i++) // _beginthreadex(NULL, 0, SlowThreadFun, szSlowThreadName[i], 0, NULL); //Sleep(50);//保证快线程全部启动 //printf("现在主线程触发一个事件脉冲 - PulseEvent()n"); //PulseEvent(g_hThreadEvent8); //Sleep(3000); //printf("时间到,主线程结束运行n"); //CloseHandle(g_hThreadEvent8); //9.经典线程同步 互斥量Mutex //函数功能:创建互斥量(注意与事件Event的创建函数对比) //函数原型: //HANDLE CreateMutex( //LPSECURITY_ATTRIBUTES lpMutexAttributes, //BOOL bInitialOwner, //LPCTSTR lpName //); //打开互斥量 //函数原型: //HANDLE OpenMutex( //DWORD dwDesiredAccess, //BOOL bInheritHandle, //LPCTSTR lpName //名称 //); //函数说明: //触发互斥量 //访问互斥资源前应该要调用等待函数,结束访问时就要调用ReleaseMutex()来表示自己已经结束访问,其它线程可以开始访问了。 //函数原型:BOOL ReleaseMutex (HANDLE hMutex) //初始化互斥量与关键段 第二个参数为TRUE表示互斥量为创建线程所有 //g_hThreadParameter9 = CreateMutex(NULL, FALSE, NULL); //InitializeCriticalSection(&g_csThreadCode9); //HANDLE handle[THREAD_NUM9]; //g_nResAmount9 = 0; //int i = 0; //while (i < THREAD_NUM9) //{ // handle[i] = (HANDLE)_beginthreadex(NULL, 0, ThreadFun9, &i, 0, NULL); // WaitForSingleObject(g_hThreadParameter9, INFINITE); //等待互斥量被触发 // i++; //} //WaitForMultipleObjects(THREAD_NUM9, handle, TRUE, INFINITE); 销毁互斥量和关键段 //CloseHandle(g_hThreadParameter9); //DeleteCriticalSection(&g_csThreadCode9); //for (int i = 0;i < THREAD_NUM9; ++i) //{ // CloseHandle(handle[i]); //} 与关键段类似,互斥量也是不能解决线程间的同步问题 //HANDLE hMutex = CreateMutex(NULL, TRUE, MUTEX_NAME); //printf("互斥量已经创建,现在按任意键出发互斥量"); //getch(); exit(0); //ReleaseMutex(hMutex); //printf("互斥量已经触发"); //CloseHandle(hMutex); /*1.互斥量是内核对象,它与关键段都有“线程所有权”所以不能用于线程的同步。 2.互斥量能够用于多个进程之间线程互斥问题,并且能完美的解决某进程意外终止所造成的“遗弃”问题。*/ //10.经典线程同步 信号量Semaphore //g_hThreadParameter10 = CreateSemaphore(NULL, 0, 1, NULL);//当前0个资源,最大允许1个同时访问 //InitializeCriticalSection(&g_csThreadCode10); //HANDLE handle[THREAD_NUM10]; //g_nResNum10 = 0; //int i = 0; //while (i < THREAD_NUM10) //{ // handle[i] = (HANDLE)_beginthreadex(NULL, 0, ThreadFun10, &i, 0, NULL); // WaitForSingleObject(g_hThreadParameter10, INFINITE); // ++i; //} //WaitForMultipleObjects(THREAD_NUM, handle, TRUE, INFINITE); //DeleteCriticalSection(&g_csThreadCode10); //CloseHandle(g_hThreadParameter10); //for (i = 0; i < THREAD_NUM10; i++) //{ // CloseHandle(handle[i]); //} //11.生产者消费者问题 //11.1 //1生产者 1消费者 1缓冲区 //使用二个事件,一个表示缓冲区空,一个表示缓冲区满。 //再使用一个关键段来控制缓冲区的访问 //InitializeCriticalSection(&g_cs); 创建二个自动复位事件,一个表示缓冲区是否为空,另一个表示缓冲区是否已经处理 //g_hEventBufferEmpty = CreateEvent(NULL, FALSE, TRUE, NULL); //g_hEventBufferFull = CreateEvent(NULL, FALSE, TRUE, NULL); //const int THREADNUM = 2; //HANDLE hThread[THREADNUM]; //hThread[0] = (HANDLE)_beginthreadex(NULL, 0, ProducerThreadFun, NULL, 0, NULL); //hThread[1] = (HANDLE)_beginthreadex(NULL, 0, ConsumerThreadFun, NULL, 0, NULL); //WaitForMultipleObjects(THREADNUM, hThread, TRUE, INFINITE); //for (int i = 0; i < THREADNUM; ++i) //{ // CloseHandle(hThread[i]); //} //CloseHandle(ProducerThreadFun); //CloseHandle(ConsumerThreadFun); //DeleteCriticalSection(&g_cs); 1生产者 2消费者 4缓冲区 使用二个事件,一个表示缓冲区空,一个表示缓冲区满。 再使用一个关键段来控制缓冲区的访问 //InitializeCriticalSection(&g_cs2); 初始化信号量,一个记录有产品的缓冲区个数,另一个记录空缓冲区个数. //g_hSemaphoreBufferEmpty2 = CreateSemaphore(NULL, 4, 4, NULL); //g_hSemaphoreBufferFull2 = CreateSemaphore(NULL, 0, 4, NULL); //g_i = 0; //g_j = 0; //memset(g_nBuffer2, 0, sizeof(g_nBuffer2)); //const int THREADNUM = 3; //HANDLE hThread[THREADNUM]; //hThread[0] = (HANDLE)_beginthreadex(NULL, 0, ProducerThreadFun2, NULL, 0, NULL); //hThread[1] = (HANDLE)_beginthreadex(NULL, 0, ConsumerThreadFun2, NULL, 0, NULL); //hThread[2] = (HANDLE)_beginthreadex(NULL, 0, ConsumerThreadFun2, NULL, 0, NULL); //WaitForMultipleObjects(THREADNUM, hThread, TRUE, INFINITE); //for (int i = 0; i < THREADNUM; i++) // CloseHandle(hThread[i]); 销毁信号量和关键段 //CloseHandle(g_hSemaphoreBufferEmpty2); //CloseHandle(g_hSemaphoreBufferFull2); //DeleteCriticalSection(&g_cs2); 12.读者与写者问题 // //InitializeCriticalSection(&g_cs12); //InitializeCriticalSection(&g_cs_writer_count); //g_hEventWriter = CreateEvent(NULL, TRUE, TRUE, NULL); //g_hEventNoReader = CreateEvent(NULL, TRUE, TRUE, NULL); //g_nReaderCount = 0; //int i; //HANDLE hThread[READER_NUM + 1]; 先启动二个读者线程 //for (i = 1; i <= 2; i++) //{ // hThread[i] = (HANDLE)_beginthreadex(NULL, 0, ReaderThreadFun, NULL, 0, NULL); //} 启动写者线程 //hThread[0] = (HANDLE)_beginthreadex(NULL, 0, WriterThreadFun, NULL, 0, NULL); //Sleep(50); 启动其他读者线程 //for (; i <= READER_NUM; i++) //{ // hThread[i] = (HANDLE)_beginthreadex(NULL, 0, ReaderThreadFun, NULL, 0, NULL); //} //WaitForMultipleObjects(READER_NUM, hThread, TRUE, INFINITE); //for (i = 0; i <= READER_NUM; i++) //{ // CloseHandle(hThread[i]); //} 销毁事件和信号量 //CloseHandle(g_hEventWriter); //CloseHandle(g_hEventNoReader); // //DeleteCriticalSection(&g_cs12); //DeleteCriticalSection(&g_cs_writer_count); //13 关于CreateEvent中的参数如何使用 //手动置为非激发(无信号)状态:ResetEvent //设置为激发(有信号)状态:SetEvent; //当一个等待线程被释放时,自动重置状态为无信号状态。 //只有事件有信号的时候线程函数才会被触发 //14.读写锁 //InitializeCriticalSection(&g_cs14); 初始化读写锁 //InitializeSRWLock(&g_srwLock); //HANDLE hThread[READER_NUM + 1]; //int i; 先启动二个读者线程 //for (i = 1; i <= 2; i++) // hThread[i] = (HANDLE)_beginthreadex(NULL, 0, ReaderThreadFun, NULL, 0, NULL); 启动写者线程 //hThread[0] = (HANDLE)_beginthreadex(NULL, 0, WriterThreadFun, NULL, 0, NULL); //Sleep(50); 最后启动其它读者结程 //for ( ; i <= READER_NUM; i++) // hThread[i] = (HANDLE)_beginthreadex(NULL, 0, ReaderThreadFun, NULL, 0, NULL); //WaitForMultipleObjects(READER_NUM + 1, hThread, TRUE, INFINITE); //for (i = 0; i < READER_NUM + 1; i++) // CloseHandle(hThread[i]); 销毁关键段 //DeleteCriticalSection(&g_cs14); //typedef unsigned int INT; //INT ABC; //ABC = 100000; // //typedef int dugaodaarray[100]; // //dugaodaarray tmp; //tmp[1] = 10; //int tmp[100]; //typedef struct t_node //{ // int a; // int b; //}Node; //Node tmpabc; //tmpabc.a= 10; //tmpabc. //typedef void (*DUGAODAFUNCTION)(int); //void printabc(int x) //{ // //} //DUGAODAFUNCTION pABC; //pABC = printabc; // // // //(*pABC)(10); //#pragma once //#ifdef WINDOWS //#endif // //#define ABC 100; //#undef ABC; //#ifndef _SOMEFILE_H_ //#define _SOMEFILE_H_ //.......... // 一些声明语句 //#endif return 0; }
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