test

//秒杀多线程第十六篇 多线程十大经典案例之一 双线程读写队列数据//http://blog.csdn.net/MoreWindows/article/details/8646902#include <stdio.h>#include <process.h>#include <windows.h>#include <time.h>const int QUEUE_LEN = 5;int g_arrDataQueue[QUEUE_LEN];int g_i, g_j, g_nDataNum;//关键段 用于保证互斥的在屏幕上输出CRITICAL_SECTION g_cs;//信号量 g_hEmpty表示队列中空位 g_hFull表示队列中非空位HANDLE     g_hEmpty, g_hFull;//设置控制台输出颜色BOOL SetConsoleColor(WORD wAttributes){HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);if (hConsole == INVALID_HANDLE_VALUE)return FALSE;return SetConsoleTextAttribute(hConsole, wAttributes);}//读数据线程函数unsigned int __stdcall ReaderThreadFun(PVOID pM){int nData = 0;while (nData < 20){WaitForSingleObject(g_hFull, INFINITE);nData = g_arrDataQueue[g_i];g_i = (g_i + 1) % QUEUE_LEN;EnterCriticalSection(&g_cs);printf("从队列中读数据%d\n", nData);LeaveCriticalSection(&g_cs);Sleep(rand() % 300);ReleaseSemaphore(g_hEmpty, 1, NULL);}return 0;}//写数据线程函数unsigned int __stdcall WriterThreadFun(PVOID pM){int nData = 0;while (nData < 20){WaitForSingleObject(g_hEmpty, INFINITE);g_arrDataQueue[g_j] = ++nData;g_j = (g_j + 1) % QUEUE_LEN;EnterCriticalSection(&g_cs);SetConsoleColor(FOREGROUND_GREEN);printf("    将数据%d写入队列\n", nData);SetConsoleColor(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);LeaveCriticalSection(&g_cs);Sleep(rand() % 300);ReleaseSemaphore(g_hFull, 1, NULL);}return 0;}int main(){printf("     秒杀多线程第十六篇 多线程十大经典案例 双线程读写队列数据\n");printf(" - by MoreWindows( http://blog.csdn.net/MoreWindows/article/details/8646902 ) -\n\n");InitializeCriticalSection(&g_cs);g_hEmpty = CreateSemaphore(NULL, QUEUE_LEN, QUEUE_LEN, NULL);g_hFull = CreateSemaphore(NULL, 0, QUEUE_LEN, NULL);srand(time(NULL));g_i = g_j = 0;HANDLE hThread[2];hThread[0] = (HANDLE)_beginthreadex(NULL, 0, ReaderThreadFun, NULL, 0, NULL);hThread[1] = (HANDLE)_beginthreadex(NULL, 0, WriterThreadFun, NULL, 0, NULL);WaitForMultipleObjects(2, hThread, TRUE, INFINITE);for (int i = 0; i < 2; i++)CloseHandle(hThread[i]);CloseHandle(g_hEmpty);CloseHandle(g_hFull);DeleteCriticalSection(&g_cs);return 0;}