C++死锁解决心得-1

// DeadLockTest.cpp : Defines the entry point for the console application.51Testing软件测试网2|y1J4|1O#K
//

wG.t.n-ZB0#include "stdafx.h"
4@H%k}@3NJlLU0#include "DeadLockTest.h"51Testing软件测试网7t(y2|(Tq,h0J

#ifdef _DEBUG51Testing软件测试网 wB0UY$h9Y+a
#define new DEBUG_NEW
2Xf'[#JCN0#endif51Testing软件测试网4_/D1Nc S

K6Po7H'^!?M!I051Testing软件测试网%u3{&ESm
// The one and only application object

%Z*H TerUfI2k0CWinApp theApp;51Testing软件测试网JSRUR+a+h7Lf
c

.w'nFu#c0using namespace std;

5R:p~:N9D0CRITICAL_SECTION cs1;51Testing软件测试网 OpHQi_
CRITICAL_SECTION cs2;
tJ\]g#w0CRITICAL_SECTION csprint;51Testing软件测试网Ly^/H
y ?

/h4v"E?)m-WJq(N0//初始化关键代码段
6e0U}dQ5V*}d0void InitMyCriticalSection();
z9Zj%Sd"EP0//删除关键代码段51Testing软件测试网!F9@8V0wR2c b5u:A^
void DeleteMyCriticalSection();
'N0_.}9zA0//打印信息51Testing软件测试网&EqZ7v f#W _&D
void PrintString(const CString& strInfo);

7b"p7pv7k3k\]Va0DWORD WINAPI Thread1(LPVOID lpParameter);
yg"ME,SJ%feX?0DWORD WINAPI Thread2(LPVOID lpParameter);

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i8p$}1t f"M0int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
-o^'qf*Hk5V \D,^x0{51Testing软件测试网b`,f]4I*G
    int nRetCode = 0;51Testing软件测试网)p+p],|@,Nq

4JL)ZxVg{oe1t0    // initialize MFC and print and error on failure
x?D#q0X F*M0    if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))51Testing软件测试网3l:\X tC
    {
z;FRa2l~)S-R7L0        // TODO: change error code to suit your needs
/xaw9H.P7]!{$L)l$[0        _tprintf(_T("Fatal Error: MFC initialization failed\n"));51Testing软件测试网F1oTP"KdX
        nRetCode = 1;

Wu b|*wC$@&R0        return nRetCode;
w nud)\i+n0    }

TK;W[[)E'yY0    //初始化关键代码段51Testing软件测试网Kyv\!U;l,bS.I
    InitMyCriticalSection();51Testing软件测试网\,ah5}tob Pq

V7c&e,LZUhk P b)k0    //创建线程
(Zg4Cy6S.Ojrp6u0    HANDLE hThread1 = CreateThread(NULL, 0, Thread1, NULL, 0, NULL);
yX4fPJ
@X&kK^,f!W0    HANDLE hThread2 = CreateThread(NULL, 0, Thread2, NULL, 0, NULL);

*]*yy~8o\q0    //等待线程结束51Testing软件测试网([7Q,C%^ C(t,^)Bo
    WaitForSingleObject(hThread1, INFINITE);
*p6OD+T3[S!c4Q0    WaitForSingleObject(hThread2, INFINITE);

    //关闭线程句柄51Testing软件测试网6e"~k4zX4f#Q
    CloseHandle(hThread1);
%m}b#N&L5k4]P0    CloseHandle(hThread2);

ac&MiWs|I BS0    //释放关键代码段51Testing软件测试网)w6byZ3h5Q
    DeleteMyCriticalSection();

    return nRetCode;
&k;C@!VF&i)YblE g]0}

void InitMyCriticalSection()51Testing软件测试网?`N9j#\(]Q;w
{
5P Z}9k#uS? yH|0    InitializeCriticalSection(&cs1);51Testing软件测试网g|5g~[9Y4H'a
    InitializeCriticalSection(&cs2);
,E}2i o[Y"xK0    InitializeCriticalSection(&csprint);51Testing软件测试网 X
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}

,N3}5\3_x0void DeleteMyCriticalSection()
"sV#Q0B$|0{
l.wP?.S3va\ O0    DeleteCriticalSection(&cs1);
q,V!?O{JZ
^+Gx0    DeleteCriticalSection(&cs2);51Testing软件测试网LgW!]8D[6D;D
    DeleteCriticalSection(&csprint);
7v&q7X6N,P'}Z0}51Testing软件测试网U1r
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TQ"Gl}RDZ~0DWORD WINAPI Thread1(LPVOID lpParameter)
F'w8Q8D1{ T4C0{51Testing软件测试网UUD&xZ7?K
    for (int i = 0; i < 5; i++)
p?E6Rg#p(o G0    {
M'o I5?9CD3vFS0        EnterCriticalSection(&cs1);
't2j*I(_ V0        Sleep(500);51Testing软件测试网h5ql9rd~ T|r
        EnterCriticalSection(&cs2);

$gu*_n%BbVP~$R?0        PrintString(_T("Thread1"));51Testing软件测试网:jg*c#hBG4K'yql

\B(A6{&K2? Eb y3H8O0        LeaveCriticalSection(&cs2);51Testing软件测试网;^Kh rlw5iX3_
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        LeaveCriticalSection(&cs1);
N/h*Uo!`-{0}S0    }

    return 1;
;XOfK!w7X6aQ4~0z8S+Y0}

DWORD WINAPI Thread2(LPVOID lpParameter)
p:SWmAfhFG#Y;s3@0{51Testing软件测试网8oUGR#kjS+c"C
    for (int i = 0; i < 5; i++)51Testing软件测试网^j gwnA
    {51Testing软件测试网8Q~Lu5B
        EnterCriticalSection(&cs2);
7ZuR9CPRn0        Sleep(500);51Testing软件测试网e+NJ{C)LuA1I
        EnterCriticalSection(&cs1);51Testing软件测试网7kQUx#o%ED3v

Fk2n8d:a9F0        PrintString(_T("Thread2"));51Testing软件测试网3~bR5a&m9m`(Uqt

        LeaveCriticalSection(&cs1);
1c!R;A*r-s}G&M6k0        LeaveCriticalSection(&cs2);
.E+n[
n ms0    }51Testing软件测试网K@_Q
Sp^+\

    return 1;51Testing软件测试网6P1qxQg5F$CG)Qm2^
}51Testing软件测试网6D.cBF U

W*O/s2sR(r;S)w0void PrintString(const CString& strInfo)51Testing软件测试网-t1h A\{a+t'Ye
{51Testing软件测试网7BPxRrh1S)gH
    EnterCriticalSection(&csprint);51Testing软件测试网k-l-T@t:UF
    wcout<<(const TCHAR*)strInfo<<endl;51Testing软件测试网6b7o!V4KTV-~ x9f7oQ
    LeaveCriticalSection(&csprint);51Testing软件测试网0[#X9i n/w;u6Hzr
}51Testing软件测试网;JD0n%K
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