实验4线程的互斥

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1、实验4线程的互斥1、熟悉掌握Windows系统环境下线程的创建与撤销。2、熟悉Windows系统提供的线程互斥API。3、使用Windows系统提供的线程互斥API解决实际问题。二、实验内容和要求完成两个线程之间的互斥。在主线程中使用系统调用CreateThread()创建两个子线程，并使两个子线程互斥地使用全局变量counto#inelude"stdafx.h〃ttinclude〃5.h〃Sifdef_DEBUG#definenewDEBUG_NEWttundefTHISFILEstaticch

2、arTHISFILE[]=_FILEttendif///////////////////////////////////////////////////////////////////////////////TheoneandonlyapplicationobjectCWinAppLheApp;usingnamespacestd;staticintcount=5;staticHANDLEhl;staticHANDLEh2;LPCRIT1CAL_SECT1ONhCriticalSection;CRI

3、TICALSECTIONCritical;voidfuncl();voidfunc2();inttmain(intargc,TCHAR*argv[],TCHAR*cnvp[]){intnRetCode二0;DWORDdwThreadlDl,dwThreadlD2;hCriticalScction=&Critical;InitializeCriticalSection(hCriticalSection);hl^CreateThread((LPSECURITY_ATTRIBUTES)NULL,0,(L

4、PTHREADSTARTROUTINE)fund,(LPVOID)NULL,0,ftdwThreadlDl);if(hl==NULL)printf(，zThreadlcreateFail!?/);elseprintfC'ThrcadlcreateSuccess!z，);h2=CreateThread((LPSECURITY_ATTRIBUTES)NULL,(LPTHREADSTARTROUTINE)func2,(LPVOID)NULL,0,&dwThreadID2);if(h2==NULL

5、)printf(，zThread2createFail!/z);elseprintf(z，Thrcad2createSuccess!z，);Sleep(lOOO);CloseHandle(hl);CloseHandle(h2);DclctcCriticalScction(hCriticalScction);ExitThread(0);returnnRetCode;}voidfunc2()intr2;EnLerCriticalSection(hCriticalSection);r2二coun

6、t;sleep(lOO);r2=r2+l;count二r2;printf(〃countinfunc2=%dcount);LeaveCriticalSection(hCriticalSection);}voidfund()!intrl;EntcrCriticalSection(hCriticalScction);rl二count;_sleep(500);rl=rl+l;count=rl;printf(〃countinfuncl=%d，count);LeaveCriticalSection(hCr

7、iticalSection);wD:vc6.0MicrosoftVisualStudioMyProjects5Debug5.exeRThreadlcreateSuccess?Thread2createSuccess?countinfund=6countinfunc2=7Pressanykeytocontinue//5.cpp:DefinestheentrypointFortheconsoleapplication.二剧5classes-匕IGlobals•_tma•func'•fund

8、(/CriticQhCritOtheA

9、■^cJ^irIdr^include,,stdafx.hi,ttinclude"S.h"ttifdef_DEBUGttdefinenewDEB也NEWttundefTHIS^FILEstaticcharTHIS_FILE[]=_FILE_;ttendif///////////////////////////////////////////////////////////////////////////////Theoneandonlyappl