睡眠理发师问题代码

#include
#include
#include
#include
#include
#include
#include
using namespace std;

#define CHAIRS 3
#define BARBERS 1
typedef HANDLE semaphore;
static int count=0; //count the total number of coustomers entered the shop
int leaved=0; //record the total number of coustomers leaved without been served
int waiting=0;
time_t endtime; //关闭营业的时间
semaphore customers=CreateSemaphore(NULL,0,CHAIRS,TEXT("customers")); //coustomers初始化为0，最大顾客数为10
semaphore barbers=CreateSemaphore(NULL,BARBERS,BARBERS,TEXT("barbers")); //barbers的数量初始化为3，假设一共有3个barber
HANDLE mutex=CreateMutex(NULL,FALSE,TEXT("mutex")); //建立互斥变量，用于保护共享资源

DWORD WINAPI barber(LPVOID lparameter);
DWORD WINAPI customer(LPVOID lparameter);
void cut_hair();
void get_cuthair();
void wait();
void leave();
void enter();

void up(HANDLE hHandle){ //UP operation
ReleaseSemaphore(hHandle,1,NULL);
ResumeThread(hHandle);

}
void upMutex(HANDLE hMutex){ //UP Mutex
ReleaseMutex(hMutex);

}

void down(HANDLE hHandle){ //DOWN operation

WaitForSingleObject(hHandle,INFINITE);

}

int main(){
endtime=time(0)+20000;
HANDLE barberThread=CreateThread(NULL,0,barber,NULL,0,NULL); //start the barberThread
HANDLE customerThread;


while(count<20){

customerThread=CreateThread(NULL,0,customer,NULL,0,NULL); //start the coustomerThread
srand(unsigned(time(0)));
int time=rand()%1000+50;
//int time=50;
Sleep(time);
}
// Sleep(200000);
CloseHandle(barberThread);
CloseHandle(customerThread);
CloseHandle(barbers);
CloseHandle(customers);
CloseHandle(mutex);


return 0;}


DWORD WINAPI barber(LPVOID lparameter){

while(time(0)//cout<<"等待的顾客数："<down(customers); //go to sleep if customers is 0
down(mutex); //aquire access to waiting
//cout<<"等待的顾客数：:"<
waiting=waiting-1; //decrement count of waiting
upMutex(mutex);
cut_hair(); //outside the critical rigon
up(barbers); //one barber is now ready

}

return 0;
}

DWORD WINAPI customer(LPVOID lparameter){

// while(time(0)enter(); //before the critia region
down(mutex);
cout<<"等待的顾客数: "<cout<<"空椅子数: "<
if(waitingif(waiting!=0){wait();}
waiting=waiting+1; //increment the waiting coustomers
up(customers); //wake up barber if neccessary
upMutex(mutex);

//release access to waiting
down(barbers); //blocked if barber is 0
get_cuthair();
}
else{
upMutex(mutex);
leave(); }

// }
return 0;
}
void cut_hair(){
static int served=0;
served++;
//int t=count;
cout<<"理发师帮第 "<Sleep(1000);
cout<<"第 "<
}
void get_cuthair(){
//cout<<"有理发师，第"<//int t=count;
Sleep(1050);
//cout<<"第"<}
void enter(){
count++;
SYSTEMTIME sys;
GetLocalTime( &sys );

cout<cout<<"第 "<printf( "%4d/%02d/%02d %02d:%02d:%02d 星期%1d\n", sys.wYear,
sys.wMonth, sys.wDay, sys.wHour, sys.wMinute, sys.wSecond,sys.wDayOfWeek);
}
void wait(){

cout<<"有空位，第 "<}

void leave(){

cout<<"没有空椅子，第"<}