多线程同步系列之二关键区

 1 #include 
 2 #include 
 3 
 4 static int number=10;
 5 CRITICAL_SECTION CriticalSection;
 6 
 7 DWORD WINAPI ThreadOne(LPVOID lpParameter)
 8 {
 9     printf("窗口1售票开始:\n");
10     while(1)
11     {
12         EnterCriticalSection(&CriticalSection);  
13         if(number>0)
14         {
15             printf("窗口1售出第%d张票...\n",number);
16             number--;
17             Sleep(1000);        
18         }
19         LeaveCriticalSection(&CriticalSection);
20         Sleep(100);
21     }
22     return 0;
23 }
24 DWORD WINAPI ThreadTwo(LPVOID lpParameter)
25 {
26     printf("窗口2售票开始:\n");
27     while(1)
28     {
29         EnterCriticalSection(&CriticalSection);
30         if(number>0)
31         {
32             printf("窗口2售出第%d张票...\n",number);
33             Sleep(1000);
34             number--;
35         }
36         LeaveCriticalSection(&CriticalSection);
37         Sleep(100);
38     }
39     return 0;
40 }
41 
42 
43 int main()
44 {
45     HANDLE HOne,HTwo;
46     InitializeCriticalSection(&CriticalSection);
47     printf("***********************vpoet******************\n");
48     HOne=CreateThread(NULL,0,ThreadOne,NULL,0,NULL);
49     HTwo=CreateThread(NULL,0,ThreadTwo,NULL,0,NULL);
50     CloseHandle(HOne);
51     CloseHandle(HTwo);
52     while(TRUE)
53     {
54         if(number==0)
55         {
56             printf("不好意思,票卖完了!\n");
57             DeleteCriticalSection(&CriticalSection);
58             return 0;
59         }
60         else
61         {
62             continue;
63         }    
64     }
65     
66     return 0;
67 }