42elenz / 42_philosophers

Philosophers

Philosphy always was something that I loved. I would consider myself a determistic monistic utilitaristic hedonist. (for people acutally reading discriptions: The Ego Tunnel by Metzinger is an awesome book recommendation ;)
But after the philo project I had enough Philosophy for the rest of the year!

Introduction

This is taken from the subject.pdf.

To run the simulation a few variables are needed:

1. number_of_philosophers: is the number of philosophers and also the number of forks.
2. time_to_die: is in milliseconds, if a philosopher doesn’t start eating ’time_to_die’milliseconds after starting their last meal or the beginning of the simulation,it dies.
3. time_to_eat: is in milliseconds and is the time it takes for a philosopher to eat. During that time they will need to keep the two forks.
4. time_to_sleep: is in milliseconds and is the time the philosopher will spend sleeping.
5. number_of_times_each_philosopher_must_eat: argument is optional, if all philosophers eat at least ’number_of_times_each_philosopher_must_eat’ the simulation will stop. If not specified, the simulation will stop only at the death of a philosopher.

Each action of a philosopher will result in his state beeing printed in the correct order and with a timestamp and his number.
A philosopher can:

• grab a fork
• eat
• sleep
• think
• die

Usage

To compile the programm run make all in the root of the project.
Then run ./philo with the parameters you want to test explained in Introduction as 1. 2. 3. 4. and 5.

i.e.: ./philo 4 20000 100 250 9