Philosophers

Realization of the problem of the philosophers' dinner with mutex, semaphores and fork.

Usage

• Clone Repository

git clone https://github.com/vvaucoul/Philosophers && cd Philosophers

• Compilation

cd [philo_one / philo_two / philo_three] && make

• philo_one: Threads and mutex

• philo_two: Threads and semaphores

• philo_three: Forks and mutex

• Start philosopher

./philo_[X] [number_of_philosophers] [time_to_die] [time_to_eat] [time_to_sleep] [number_of_times_each_philosopher_must_eat(optional)]

• number_of_philosophers: The number of philosophers, but also the number of forks.
• time_to_die: If a philosopher hasn’t started eating time_to_die milliseconds after the start of his previous meal or from the Start simulation, he dies.
• time_to_eat: The time a philosopher takes to eat. Meanwhile, a philosopher must keep his two forks.
• time_to_sleep: The time a philosopher spends sleeping.
• number_of_times_each_philosopher_must_eat(optional): If all philosophers ate at least number_of_times_each_philosopher_must_eat If this argument is not specified, then the simulation ends with the death of a philosopher.

Examples

./philo_one 3 500 400 200

./philo_two 4 1200 300 100

./philo_three 2 1700 500 300 7