void *barber(void *junk) {
// While there are still customers to be serviced...
// Our barber is omnicient and can tell if there are
// customers still on the way to his shop.
while (!allDone) {
// Sleep until someone arrives and wakes you..
printf("The barber is sleeping\n");
sem_wait(&barberPillow);
// Skip this stuff at the end...
if (!allDone) {
// Take a random amount of time to cut the
// customer's hair.
printf("The barber is cutting hair\n");
randwait(3);
printf("The barber has finished cutting hair.\n");
// Release the customer when done cutting...
sem_post(&seatBelt);
}
else {
printf("The barber is going home for the day.\n");
}
}
}
void *customer(void *number) {
int num = *(int *)number;
// Leave for the shop and take some random amount of
// time to arrive.
printf("Customer %d leaving for barber shop.\n", num);
randwait(5);
printf("Customer %d arrived at barber shop.\n", num);
// Wait for space to open up in the waiting room...
sem_wait(&waitingRoom);
printf("Customer %d entering waiting room.\n", num);
// Wait for the barber chair to become free.
sem_wait(&barberChair);
// The chair is free so give up your spot in the
// waiting room.
sem_post(&waitingRoom);
// Wake up the barber...
printf("Customer %d waking the barber.\n", num);
sem_post(&barberPillow);
// Wait for the barber to finish cutting your hair.
sem_wait(&seatBelt);
// Give up the chair.
sem_post(&barberChair);
printf("Customer %d leaving barber shop.\n", num);
}
void *barber(void *junk) {
while (!allDone) {
printf("Zzzzzz\n");
sem_wait(&barberPillow);
if (!allDone) {
printf("Fryzjer tnie wlosy\n");
randwait(3);
printf("Fryzjer zcial wlosy.\n");
sem_post(&seatBelt);
}
else {
printf("Fajrant.\n");
}
}
}
void *barber(int i)
{
while(!over)
{
if(!over)
{
printf("\nBarber %d is sleeping",i);
sem_wait(&wake_barber);
printf("\nBarber %d is cutting hair",i);
randwait(1);
printf("\nBarber %d has finished cutting the hair",i);
sem_post(&seatbelt);
}
else
{
printf("\nThe barber %d is done for the day",i);
}
}
pthread_exit(0);
}
void *customer(void *number) {
int num = *(int *)number;
printf("Klient %d idzie sie golic.\n", num);
randwait(5);
printf("Klient %d przyszedl do salonu.\n", num);
sem_wait(&waitingRoom); // Wait for place
printf("Klient %d wszedl do poczekalni.\n", num);
// Wait for chair
sem_wait(&barberChair);
// Set place free
sem_post(&waitingRoom);
// Wake the barber
printf("Klient %d budzi fryzjera.\n", num);
sem_post(&barberPillow);
sem_wait(&seatBelt);
sem_post(&barberChair);
printf("Klient %d wychodzi, wlosy zostaja.\n", num);
}
