97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pthread.h>
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typedef struct {
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int v1;
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int v2;
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int v3;
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}laStruct;
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laStruct maStruct;
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pthread_mutex_t mutex;
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void *fonction_update (int val[])
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{
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pthread_mutex_lock(&mutex);
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maStruct.v1 = val[0];
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maStruct.v2 = val[1];
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maStruct.v3 = val[2];
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printf("Valeur en cours de Thread :\n\t%d\t%d\t%d\n\n",maStruct.v1, maStruct.v2, maStruct.v3);
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pthread_mutex_unlock(&mutex);
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}
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int main()
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{
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pthread_t un_thread;
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pthread_t deux_thread;
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pthread_t trois_thread;
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void *thread_result;
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int resultat;
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int valT1[3] = {1, 3, 5};
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int valT2[3] = {2, 4, 6};
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int valT3[3] = {10, 20, 30};
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int retourMutex;
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pthread_mutexattr_t mutexattr = PTHREAD_MUTEX_INITIALIZER;
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retourMutex = pthread_mutex_init(&mutex, &mutexattr);
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if (retourMutex != 0)
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{
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perror("Erreur peu probable dans l'initialisation du mutex.");
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exit(EXIT_FAILURE);
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}
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resultat = pthread_create(&un_thread, NULL, fonction_update, (void *) valT1);
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if (resultat != 0) {
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perror("Thread creation failed");
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exit(EXIT_FAILURE);
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}
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printf("Attente de la fin du thread...\n");
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resultat = pthread_create(&deux_thread, NULL, fonction_update, (void *) valT2);
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if (resultat != 0) {
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perror("Thread creation failed");
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exit(EXIT_FAILURE);
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}
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printf("Attente de la fin du thread...\n");
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resultat = pthread_create(&trois_thread, NULL, fonction_update, (void *) valT3);
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if (resultat != 0) {
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perror("Thread creation failed");
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exit(EXIT_FAILURE);
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}
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printf("Attente de la fin du thread...\n");
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resultat = pthread_join(un_thread, &thread_result);
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if (resultat != 0) {
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perror("Thread join a foir... echoué");
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exit(EXIT_FAILURE);
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}
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resultat = pthread_join(deux_thread, &thread_result);
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if (resultat != 0) {
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perror("Thread join a foir... echoué");
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exit(EXIT_FAILURE);
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}
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resultat = pthread_join(trois_thread, &thread_result);
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if (resultat != 0) {
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perror("Thread join a foir... echoué");
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exit(EXIT_FAILURE);
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}
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pthread_mutex_lock(&mutex);
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printf("Val finale :\n\t%d\t%d\t%d\n", maStruct.v1, maStruct.v2, maStruct.v3);
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pthread_mutex_unlock(&mutex);
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exit(EXIT_SUCCESS);
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return 0;
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}
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