void* client_thread(void* arg) {
int i = 0;
int id = *((int *) arg);
srand(time(NULL));
while (1) {
initscr();
start_color();
if (pthread_mutex_lock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
draw_chair(out_of_salon_chairs[id], 2, "C", '%', id);
if (pthread_mutex_unlock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
usleep((rand()%3 +1) * 3000000);
if (pthread_mutex_lock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
draw_chair(out_of_salon_chairs[id], 3, "C", '%', id);
if (pthread_mutex_unlock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
sem_wait(&access_waiting_room_seats);
if(number_of_free_seats > 0){
number_of_free_seats--;
int tmp = number_of_free_seats;
if (pthread_mutex_lock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
draw_chair(out_of_salon_chairs[id], 2, " ", ' ', id);
draw_chair(waiting_chairs[tmp], 2, "C", '%', id);
if (pthread_mutex_unlock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
usleep((rand()%3 +1) * 500000);
sem_post(&customer_ready);
sem_post(&access_waiting_room_seats);
sem_wait(&barber_ready);
if (pthread_mutex_lock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
draw_chair(waiting_chairs[tmp], 2, " ", ' ', id);
draw_chair(haircut_chairs[1], 2, "C", '%', id);
if (pthread_mutex_unlock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
// printf("Client %d is having hair cut\n", id);
usleep(2000000);
if (pthread_mutex_lock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
draw_chair(haircut_chairs[1], 2, " ", ' ', id);
if (pthread_mutex_unlock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
} else {
sem_post(&access_waiting_room_seats);
// printf("Client %d left without hair cut\n", id);
usleep((rand()%3 +1) *1000000);
}
endwin();
}
return NULL;
}
// Draw everything
void draw_all_objects(
int* room_display_lists,
float lid_degrees,
float* dancer_angles, float dancer_angle,float dancer_y,
float door_angle
) {
// int* room_display_lists = all_display_lists[0];
// Room walls and door
draw_room(room_display_lists, door_angle);
// Box and dancer
glPushMatrix();
// glTranslatef(0,2.6001,1.7);
glTranslatef(-2,2.1+.001,-1);
draw_box(room_display_lists ,lid_degrees);
glPopMatrix();
glPushMatrix();
glTranslatef(-2,dancer_y,-2.7);
draw_dancer(room_display_lists, dancer_angles, dancer_angle);
glPopMatrix();
// Furniture
glPushMatrix();
glTranslatef(-2,-1,-2.7);
draw_table(room_display_lists);
glPopMatrix();
glPushMatrix();
glTranslatef(5,-2.05,0);
draw_one_legged_table(room_display_lists);
glPopMatrix();
glPushMatrix();
glTranslatef(4.5,-2,-2.5);
glRotatef(-90,0,1,0);
draw_chair(room_display_lists);
glPopMatrix();
glPushMatrix();
glTranslatef(0,-2,0);
draw_stool(room_display_lists);
glPopMatrix();
// Lights
// lamp
glPushMatrix();
glTranslatef(-3,-1.5,0);
draw_lamp(room_display_lists);
glPopMatrix();
// wall light
glPushMatrix();
glTranslatef(4,2,-5);
glRotatef(-90,0,1,0);
draw_wall_light(room_display_lists);
glPopMatrix();
}
void* barber_thread(void* arg) {
int i = 0;
int id = *((int *) arg);
srand(time(NULL));
while (1) {
initscr();
start_color();
if (pthread_mutex_lock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
draw_chair(barber_chairs[id], 1, "B", '%', id);
if (pthread_mutex_unlock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
sem_wait(&customer_ready);
if (pthread_mutex_lock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
draw_chair(barber_chairs[id], 1, " ", ' ', id);
draw_chair(haircut_chairs[0], 1, "B", '%', id);
if (pthread_mutex_unlock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
sem_wait(&access_waiting_room_seats);
number_of_free_seats++;
sem_post(&barber_ready);
sem_post(&access_waiting_room_seats);
// printf("barber is cutting hair: ");
usleep(2000000);
if (pthread_mutex_lock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
draw_chair(haircut_chairs[0], 1, " ", ' ', id);
if (pthread_mutex_unlock(&draw_out) != 0)
print_error(errno, "mutex_unlock error");
endwin();
}
return NULL;
}