void* philosopher(void *num) {
while (1) {
int *i = num;
sleep(1);
take_fork(*i);
sleep(0);
drop_fork(*i);
}
}
void *philospher(void *num){
while(1){
int *i =(int*)num;
sleep(1);
take_fork(*i);
sleep(0);
put_fork(*i);
}
}
void *philosopher(int *j){
int i=*j;
while(1){
think(i);
take_fork(i);
eat(i);
leave_fork(i);
}
}
void *philospher(void *num){
while(1){
int *i = num;
sleep(1);
take_fork(*i);
sleep(0);
put_fork(*i);
}
}
void philosoper(int i) { // i: philospher number, from 0 to 4
while (true) {
think(); // philisopher is thinking
take_fork(i); // take left fork
take_for((i + 1) % N); // take right fork; % is modulo operator
eat(); // yum-yum, spaghetti
put_fork(i); // put left fork back on the table
put_fork((i + 1) % N); // put right fork back on the table
}
}
void *philosopher_thread(void * arg) {
int philosopher_id = (intptr_t)(arg);
int second_fork_number = (philosopher_id+1)%PHILO_COUNT;
for(;;) {
printf("Philosopher %d is thinking\n", philosopher_id);
usleep(rand() % THIKING_TIME);
printf("Philosopher %d is waiting for forks \n", philosopher_id);
sem_wait(&waiter);
take_fork(philosopher_id);
take_fork(second_fork_number);
printf("Philosopher nr %d is eating\n", philosopher_id);
usleep(rand() % EATING_TIME);
putdown_fork(philosopher_id);
putdown_fork(second_fork_number);
sem_post(&waiter);
printf("Philosopher nr %d finished eating\n", philosopher_id);
}
return NULL;
}
void *philosopher(void *arg)
{
int num=*((int *)arg);
while(1)
{
sleep(1);
take_fork(num);
put_fork(num);
}
}
void *philospher_activity(void *a_philo_pointer) {
philo *this_philo = (philo*)a_philo_pointer;
int iter=0,num_eat = 0;
while( iter < M) {
int *i = &(this_philo->phil_num); // address of this_pil_id
sleep(1);
take_fork(*i);
sleep(0);
printf("%s has eaten %d times till now \n",this_philo->phil_name,++num_eat);
put_fork(*i);
iter++;
}
}
// Eating
void Philosopher::eat(){
take_fork();
sleep(2); // eating
put_fork();
}
