Mời các bạn tham khảo code bai tuan Hiền Triết cùng ăn

Mời các bạn tham khảo code bai tuan Hiền Triết cùng ăn(tui sưu tầm từ các bạn khóa trước)
// Hientriet.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

#include <stdio.h>
#include <windows.h>

#define numPhilosophers 10

#define LEFT id
#define RIGHT (id+1)%numPhilosophers

HANDLE chopsticks[numPhilosophers];
char chState[numPhilosophers+1];
char phState[numPhilosophers+1];

void PhilosopherThread(int id){
while (1) {
// Suy nghi
Sleep(4000);
// Doi, do vay lay dua ben trai
phState[id]='d';
WaitForSingleObject(chopsticks[RIGHT], INFINITE);

chState[RIGHT]='0';
printf("- Chopsticks:\t%s\n Philosophers:\t%s\n\n", chState, phState);
Sleep(100);

// Roi lay dua ben phai
WaitForSingleObject(chopsticks[LEFT], INFINITE);
chState[RIGHT]='0';
// Bat dau an
phState[id]='a';
printf("- Chopsticks:\t%s\n Philosophers:\t%s\n\n", chState, phState);
Sleep(2000);
// An xong
phState[id]='-';
// Dat dua trai xuong
chState[RIGHT]='1';
ReleaseMutex(chopsticks[RIGHT]);
// Dat dua phai xuong
chState[LEFT]='1';
ReleaseMutex(chopsticks[LEFT]);
}
}
void main(){
HANDLE handles[numPhilosophers];
DWORD threadID; int i;

chState[numPhilosophers]='\0'; phState[numPhilosophers]='\0';

for (i=0; i<numPhilosophers; i++){
chState[i]='1'; phState[i]='-';
}
for (i=0; i<numPhilosophers; i++)
chopsticks[i]=CreateMutex(0, FALSE, 0);

printf("- Chopsticks:\t%s\n Philosophers:\t%s\n\n", chState, phState);

for (i=0; i<numPhilosophers; i++)
handles[i]=CreateThread(0,0,
(LPTHREAD_START_ROUTINE)PhilosopherThread,
(void *) i, 0, &threadID);
WaitForMultipleObjects(numPhilosophers, handles, TRUE, INFINITE);
for (i=0; i<numPhilosophers; i++) CloseHandle(chopsticks[i]);
}