mirror of
https://gitlab.com/klmp200/LO41.git
synced 2024-11-14 21:03:23 +00:00
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
//
|
|
// Created by Antoine Bartuccio on 06/06/2018.
|
|
//
|
|
|
|
#include "SharedData.h"
|
|
|
|
SETTER(SharedData, Building *, main_building)
|
|
|
|
void wait_threads_SharedData(THIS(SharedData)){
|
|
int i;
|
|
for (i=0; i<this->threads_nb; i++)
|
|
pthread_join(this->threads[i], NULL);
|
|
}
|
|
|
|
int call_elevator_SharedData(THIS(SharedData), int starting_floor, int destination_floor){
|
|
/* Make the thread wait for an elevator available and return the id of the elevator available */
|
|
if (this->main_building == NULL)
|
|
CRASH("No building attached to shared data, you cannot call an elevator\n");
|
|
if (starting_floor < 0)
|
|
CRASH("You cannot start from a floor lower than 0\n");
|
|
if (destination_floor > FLOORS)
|
|
CRASH("You are trying to reach a floor higher than the highest floor\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
void _free__SharedData(THIS(SharedData)){
|
|
int i;
|
|
if (this->threads != NULL){
|
|
for (i=0; i<this->threads_nb; i++)
|
|
pthread_cancel(this->threads[i]);
|
|
free(this->threads);
|
|
}
|
|
if (this->main_building != NULL)
|
|
DELETE(this->main_building);
|
|
|
|
free(this);
|
|
}
|
|
|
|
SharedData *_get_instance_SharedData(){
|
|
static SharedData * new_shared_data = NULL;
|
|
if (new_shared_data == NULL){
|
|
new_shared_data = malloc_or_die(sizeof(SharedData));
|
|
|
|
new_shared_data->threads = NULL;
|
|
new_shared_data->main_building = NULL; /* Should be set to NULL if freed */
|
|
new_shared_data->threads_nb = 0;
|
|
|
|
LINK_ALL(SharedData, new_shared_data,
|
|
wait_threads,
|
|
set_main_building,
|
|
call_elevator
|
|
);
|
|
}
|
|
return new_shared_data;
|
|
}
|