philosophers/philo_bonus/src/init.c

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2023-05-18 17:02:05 +02:00
/* ************************************************************************** */
/* */
/* .--. _ */
/* init.c |o_o || | */
/* |:_/ || |_ _ ___ __ */
/* By: houtworm <codam@houtworm.net> // \ \ __| | | \ \/ / */
/* (| | )|_| |_| |> < */
/* Created: 2023/03/15 02:00:19 by houtworm /'\_ _/`\__|\__,_/_/\_\ */
/* Updated: 2023/05/14 08:55:41 by djonker \___)=(___/ */
/* */
/* ************************************************************************** */
#include "../philo.h"
int ft_charactercheck(int argc, char **argv)
{
int i;
int j;
i = 1;
j = 0;
while (i < argc)
{
while (argv[i][j] != '\0')
{
if (argv[i][j] < '0' || argv[i][j] > '9')
return (1);
j++;
}
i++;
j = 0;
}
return (0);
}
t_strct *ft_parseandvalidateinput(int argc, char **argv)
{
t_strct *strct;
strct = malloc(sizeof(t_strct));
strct->error = NULL;
if (ft_charactercheck(argc, argv))
strct->error = "input can only be numbers";
strct->philos = philo_atoi(argv[1]);
if (strct->philos < 1 || strct->philos > 500)
strct->error = "Min 1 and Max 500 philosophers";
strct->dietime = philo_atoi(argv[2]);
if (strct->dietime < 50)
strct->error = "die time must be a minimum of 50ms";
strct->eattime = philo_atoi(argv[3]);
if (strct->eattime < 50)
strct->error = "eat time must be a minimum of 50ms";
strct->sleeptime = philo_atoi(argv[4]);
if (strct->sleeptime < 50)
strct->error = "sleeptime must be a minimum of 50ms";
if (argc == 6)
strct->target = philo_atoi(argv[5]);
else
strct->target = 1000000000;
if (strct->target < 0)
strct->error = "We can't do negative cycles";
return (strct);
}
int ft_initstructandmutex(t_strct *strct, int i)
{
strct->dead = sem_open("dead", O_CREAT, 0666, 0);
strct->done = sem_open("done", O_CREAT, 0666, 0);
strct->hold = sem_open("hold", O_CREAT, 0666, 0);
strct->print = sem_open("print", O_CREAT, 0666, 1);
strct->forks = sem_open("forks", O_CREAT, 0666, strct->philos);
while (i <= strct->philos)
{
strct->philo[i].id = i + 1;
strct->philo[i].cycles = 0;
strct->philo[i].dietime = &strct->dietime;
strct->philo[i].eattime = &strct->eattime;
strct->philo[i].sleeptime = &strct->sleeptime;
strct->philo[i].strtt = &strct->strtt;
strct->philo[i].philos = &strct->philos;
strct->philo[i].target = &strct->target;
strct->philo[i].forks = strct->forks;
strct->philo[i].done = strct->done;
strct->philo[i].dead = strct->dead;
strct->philo[i].hold = strct->hold;
strct->philo[i].print = strct->print;
strct->philo[i].pid = strct->pid;
i++;
}
return (0);
}
int ft_releasetheminds(t_strct *strct)
{
int i;
i = 0;
while (i < strct->philos)
{
sem_post(strct->hold);
i++;
}
return (0);
}
void ft_safeprint(t_philo *ps, char *str)
{
sem_wait(ps->print);
printf("%lld %d %s\n", ft_time() - *ps->strtt, ps->id, str);
sem_post(ps->print);
}