#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <pthread.h>

typedef struct th{
	int rang;
	int nbAffich;
}th;

void *affichageThread (void *arg){
	th *str_th = (th *) arg;
	int iter = 0;	
	
	while (iter < str_th->nbAffich){
		printf("Je suis le thread de rang %d , mon identificateur est %lu\n", str_th->rang, (long unsigned) pthread_self());
		iter++;
	}

	pthread_exit(NULL);
} 

int main (int argc, char *argv[]){

	if (argc != 3){
		fprintf(stderr, "Erreur! Usage: %s nombre_de_threads nombre_d'affichages\n", argv[0]);
		exit(99);
	}

	if (atoi(argv[1]) < 1 || atoi(argv[2]) < 1){
		fprintf(stderr, "Erreur! Les arguments doivent êtres entiers et supérieurs à 0!\n");
		exit(98);
	}

	th new_th;
	new_th.rang = 0;
	new_th.nbAffich = atoi(argv[2]);

	th* pnew_th;
	//pnew_th = malloc(sizeof(th) * atoi(argv[1]));
	//new_th->nbAffich = atoi(argv[2]);

	pthread_t* ptid = NULL;

	ptid = malloc(sizeof(pthread_t) * atoi(argv[1]));
	if (ptid == NULL){
		perror("Erreur: malloc ptid");
		exit(97);
	}

	for (int i = 0; i < atoi(argv[1]); i++){
		//new_th[i].rang = i;
		//pnew_th->rang = i;
		//new_th.rang = i;
		pnew_th = malloc(sizeof(th));
		(*pnew_th).rang = i;
		(*pnew_th).nbAffich = atoi(argv[2]);
		if (pthread_create(&ptid[i], NULL, affichageThread, &pnew_th/*[i]*/) != 0){
			perror("\nProblème lors de la création du thread fils\n");
			exit(95);
		}
	}

	for (int i = 0; i < atoi(argv[1]); i++)
		pthread_join(ptid[i], NULL);
	
	exit(0);

}