NachOS code.

This is our code that we implement in nachos, we made the bounded buffer producer-consumer code. We put our code in threadtest.cc file, this file is located in nachos/code/threads.

Our code is the next:

//PRODUCER FUNCTION

void Producer(void* id){
char* name = (char*)id;
while (i<=30){ empty -> P();
Sem -> P();
Producto++;
printf("%s - %d\n", name, Producto);
Sem -> V();
full -> V();
i++;
}
}



//CONSUMER FUNCTION

void Consumer(void* id){
char* name = (char*)id;
while(i<=20){ full -> P();
Sem -> P();
Producto --;
printf("%s - %d\n", name, Producto);
Sem -> V();
empty-> V();
i++;
}
}


//START FUNCTION

void start(){
//Initialize semaphores
Sem = new Semaphore("Sem",1);
empty = new Semaphore("empty",5);
full = new Semaphore("full",0);


Thread *t = new Thread("Producer");

t -> Fork(Producer,(void*) "Producer ");

t = new Thread("Consumer");
t -> Fork(Consumer, (void*) "Consumer");
}



//THREADTEST FUNCTION
/*
This function is implementing in nachos by default,
we just put the name of our method "start" to call it.
*/

void
ThreadTest()
{
DEBUG('t', "Entering SimpleTest");

for ( int k=1; k<=10; k++) { char* threadname = new char[100]; sprintf(threadname, "Hilo %d", k); Thread* newThread = new Thread (threadname); newThread->Fork (SimpleThread, (void*)threadname);
}
start(); //We agregate this line to call our method
SimpleThread( (void*)"Hilo 0");
}