关键代码区 线程同步
#include <windows.h>
DWORD WINAPI Fun1proc(LPVOID lpParameter); // thread data
DWORD WINAPI Fun2proc(LPVOID lpParameter);
int ticket = 100;
CRITICAL_SECTION g_cs;
void main()
{
InitializeCriticalSection(&g_cs);
DWORD dThreadID1 = 123;
DWORD dThreadID2 = 456;
HANDLE hThread1 = CreateThread(NULL,0,Fun1proc,NULL,0,&dThreadID1);
HANDLE hThread2 = CreateThread(NULL,0,Fun2proc,NULL,0,&dThreadID2);
CloseHandle(hThread1);
CloseHandle(hThread2);
Sleep(4000);
DeleteCriticalSection(&g_cs);
}
DWORD WINAPI Fun1proc(LPVOID lpParameter)
{
while (TRUE)
{
EnterCriticalSection(&g_cs);
if (ticket>0)
{
cout<<"thread1 sailed "<<ticket--<<endl;
}
else
break;
LeaveCriticalSection(&g_cs);
}
return 0;
}
DWORD WINAPI Fun2proc(LPVOID lpParameter)
{
while (TRUE)
{
EnterCriticalSection(&g_cs);
if (ticket>0)
{
cout<<"thread2 sailed "<<ticket--<<endl;
}
else
break;
LeaveCriticalSection(&g_cs);
}
return 0;
}