usleep, typo

main.c

@@ -6,6 +6,8 @@
 
 #include <time.h>
 
+#include <unistd.h>
+
 // structure site
 typedef struct {
     int available_bikes;
@@ -44,6 +46,8 @@ void habitant_routine(void* arg) {
         pthread_mutex_unlock(&sites[current_site].site_mutex);
         sem_post(&sites[current_site].sem_slots);
 
+        // Travel time
+        usleep(1000 + rand() % 1000);
         // travel to destination site
         int destination_site;
         do {destination_site = rand() % S;}
@@ -56,6 +60,9 @@ void habitant_routine(void* arg) {
         printf("(PUT) Habitant %d returning bike to site %d (%d bikes remaining)\n", id_habitant, current_site, sites[current_site].available_bikes);
         pthread_mutex_unlock(&sites[current_site].site_mutex);
         sem_post(&sites[current_site].sem_bikes);
+
+        // Activity time
+        usleep(1000 + rand() % 1000);
     }
 
     // finished
@@ -71,7 +78,7 @@ void truck_routine() {
         pthread_mutex_lock(&mutex_finished_habitants);
         if (finished_habitants == H) {
             pthread_mutex_unlock(&mutex_finished_habitants);
-            printf("(TRUCK) Truck leaving as all habitant have finished their routine.\n");
+            printf("(TRUCK) Truck leaving as all habitants have finished their routine.\n");
             break;
         }
         pthread_mutex_unlock(&mutex_finished_habitants);