#include <iostream> #include <windows.h> using namespace std;CRITICAL_SECTION cs;// LockCount 它被初始化為數值 -1,此數值等于或大于 0 時，表示此臨界區被占用;等待獲得臨界區的線程數：LockCount - (RecursionCount -1) // RecursionCount 此字段包含所有者線程已經獲得該臨界區的次數 // OwningThread 此字段包含當前占用此臨界區的線程的線程標識符,此線程 ID 與GetCurrentThreadId 所返回的 ID 相同 DWORD WINAPI ThreadProc1(LPVOID lpParameter) {for (int x = 0; x < 1000; x++){EnterCriticalSection(&cs);Sleep(1000);printf("11111:%x %x %x\n", cs.LockCount, cs.RecursionCount, cs.OwningThread);LeaveCriticalSection(&cs);}return 0; }DWORD WINAPI ThreadProc2(LPVOID lpParameter) {for (int x = 0; x < 1000; x++){EnterCriticalSection(&cs);Sleep(1000);printf("22222:%x %x %x\n", cs.LockCount, cs.RecursionCount, cs.OwningThread);LeaveCriticalSection(&cs);}return 0; }DWORD WINAPI ThreadProc3(LPVOID lpParameter) {for (int x = 0; x < 1000; x++){EnterCriticalSection(&cs);Sleep(1000);printf("33333:%x %x %x\n", cs.LockCount, cs.RecursionCount, cs.OwningThread);LeaveCriticalSection(&cs);}return 0; }DWORD WINAPI ThreadProc4(LPVOID lpParameter) {for (int x = 0; x < 1000; x++){EnterCriticalSection(&cs);Sleep(1000);printf("44444:%x %x %x\n", cs.LockCount, cs.RecursionCount, cs.OwningThread);LeaveCriticalSection(&cs);}return 0; }int main() {// 初始化臨界區InitializeCriticalSection(&cs);// printf("%x %x %x", cs.LockCount, cs.RecursionCount, cs.OwningThread);// 創建一個新的線程HANDLE hTread1 = CreateThread(0, 0, ThreadProc1, 0, 0, 0);// 創建一個新的線程HANDLE hTread2 = CreateThread(0, 0, ThreadProc2, 0, 0, 0);// 創建一個新的線程HANDLE hTread3 = CreateThread(0, 0, ThreadProc3, 0, 0, 0);// 創建一個新的線程HANDLE hTread4 = CreateThread(0, 0, ThreadProc4, 0, 0, 0);// 如果不在其它的地方引用它就關閉句柄 ::CloseHandle(hTread1);::CloseHandle(hTread2);::CloseHandle(hTread3);::CloseHandle(hTread4);// 銷毀臨界區// DeleteCriticalSection(&cs); getchar();return 0; }

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轉載于:https://www.cnblogs.com/duxie/p/11110231.html

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