멀티쓰레드 크리티컬 섹션 연습

#include <iostream> #include <windows.h> #include <process.h> #define THREAD_COUNT 2 CRITICAL_SECTION crs; int number = 0; unsigned int __stdcall threadFun1(void *lpVoid) { //함수 입장 및 크리티컬 섹션 사용 std::cout << "Enter : " << __FUNCTION__ << std::endl; EnterCriticalSection(&crs); std::cout << "EnterCriticalsection : " << __FUNCTION__ << std::endl; for (int i = 0; i < 10; i++) { std::cout << number << __FUNCTION__ << std::endl; number++; } //크리티컬 섹션 끝냄 및 함수 종료 std::cout << "EndCriticalsection : " << __FUNCTION__ << std::endl; LeaveCriticalSection(&crs); std::cout << "End : " << __FUNCTION__ << std::endl; //_endthreadex(0); 생략 가능 return 0; } unsigned int __stdcall threadFun2(void *lpVoid) { //함수 입장 및 크리티컬 섹션 사용 std::cout << "Enter : " << __FUNCTION__ << std::endl; EnterCriticalSection(&crs); std::cout << "EnterCriticalsection : " << __FUNCTION__ << std::endl; for (int i = 0; i < 15; i++) { std::cout << number << __FUNCTION__ << std::endl; number++; } //크리티컬 섹션 끝냄 및 함수 종료 std::cout << "EndCriticalsection : " << __FUNCTION__ << std::endl; LeaveCriticalSection(&crs); std::cout << "End : " << __FUNCTION__ << std::endl; //_endthreadex(0); 생략 가능 return 0; } int main() { HANDLE hThread[THREAD_COUNT]; InitializeCriticalSection(&crs); //크리티컬 섹션 생성 hThread[0] = (HANDLE)_beginthreadex(NULL, 0, threadFun1, NULL, 0, NULL); hThread[1] = (HANDLE)_beginthreadex(NULL, 0, threadFun2, NULL, 0, NULL); WaitForMultipleObjects(THREAD_COUNT, hThread, true, INFINITE); CloseHandle(hThread[0]); CloseHandle(hThread[1]); DeleteCriticalSection(&crs); //크리티컬 섹션 삭제 return 0; }

결과 화면 

(네이버 블로그 - 2016.02.01. 18:44)