modif thread_create_join

run.c

@@ -311,19 +311,27 @@ void thread_create_join(struct buffer_rc *ptr1,struct buffer_cw *ptr2,struct buf
     pthread_t reader;
     pthread_t calculators[N];
     pthread_t writer;
-    pthread_create(&reader,NULL,&reading,ptr1);
+    int err;
+    err=pthread_create(&reader,NULL,&reading,ptr1);
+    if(err != 0){return;}
+
     for (int i = 0; i < N; i++)
     {
-        pthread_create(&calculators[i],NULL,&calculating,ptr3);
+        err=pthread_create(&calculators[i],NULL,&calculating,ptr3);
+        if(err != 0){return;}
     }
-    pthread_create(&writer,NULL,&writing,ptr2);
+    err = pthread_create(&writer,NULL,&writing,ptr2);
+    if(err != 0){return;}
 
-    pthread_join(reader,NULL);
+    err = pthread_join(reader,NULL);
+    if(err != 0){return;}
     for (int i = 0; i < N; i++)
     {
-        pthread_join(calculators[i],NULL);
+        err = pthread_join(calculators[i],NULL);
+        if(err != 0){return;}
     }
-    pthread_join(writer,NULL);
+    err = pthread_join(writer,NULL);
+    if(err != 0){return;}
 }
 
 void mut_sem_destroy(void){