Etudes/BTS/C/Deuxieme annee/threadTDQ2/threadTDQ2.c

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2016-10-14 15:11:52 +00:00
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
typedef struct {
int v1;
int v2;
int v3;
}laStruct;
laStruct maStruct;
void *fonction_update1 (int val)
{
maStruct.v1 = val;
}
void *fonction_update2 (int val)
{
maStruct.v2 = val;
}
void *fonction_update3 (int val)
{
maStruct.v3 = val;
}
int main()
{
int resultat;
pthread_t un_thread;
pthread_t deux_thread;
pthread_t trois_thread;
void *thread_result;
int val[3] = {1, 3, 5};
resultat = pthread_create(&un_thread, NULL, fonction_update1, (void *) val[0]);
if (resultat != 0) {
perror("Thread creation failed");
exit(EXIT_FAILURE);
}
resultat = pthread_create(&deux_thread, NULL, fonction_update2, (void *) val[1]);
if (resultat != 0) {
perror("Thread creation failed");
exit(EXIT_FAILURE);
}
resultat = pthread_create(&trois_thread, NULL, fonction_update3, (void *) val[2]);
if (resultat != 0) {
perror("Thread creation failed");
exit(EXIT_FAILURE);
}
printf("Attente de la fin du thread...\n");
resultat = pthread_join(un_thread, &thread_result);
if (resultat != 0) {
perror("Thread join a foir... echoué");
exit(EXIT_FAILURE);
}
printf("Attente de la fin du thread...\n");
resultat = pthread_join(deux_thread, &thread_result);
if (resultat != 0) {
perror("Thread join a foir... echoué");
exit(EXIT_FAILURE);
}
printf("Attente de la fin du thread...\n");
resultat = pthread_join(trois_thread, &thread_result);
if (resultat != 0) {
perror("Thread join a foir... echoué");
exit(EXIT_FAILURE);
}
printf("%d\n%d\n%d\n", maStruct.v1, maStruct.v2, maStruct.v3);
exit(EXIT_SUCCESS);
return 0;
}