int main (int argc, char *argv[])
{
passenger **arr = input (argv[1]);
int nr_passengers;
FILE *fp = fopen (argv[1], "r");
fscanf (fp, "%d", &nr_passengers);
fclose (fp);
pid_t bag_c, immig;
// bag_c = fork();
int i = 0;
while (i < nr_passengers)
{
FILE *ptr = fopen ("pointer.txt","w");
fprintf (ptr, "%p", arr[i]);
fflush (ptr);
fclose (ptr);
if (i == 0)
{
bag_c = fork();
if (!bag_c)
{
baggage_counter ();
}
else
{
kill (getpid(), SIGSTOP);
i++;
ptr = fopen ("pointer.txt","w");
fprintf (ptr, "%p", arr[i]);
fflush (ptr);
fclose (ptr);
kill (bag_c, SIGCONT);
immig = fork();
if (!immig)
immigration ();
else
kill (getpid(), SIGSTOP);
}
}
else
{
// kill (bag_c, SIGCONT);
i++;
usleep (100);
kill (bag_c, SIGCONT);
usleep (100);
kill (immig, SIGCONT);
kill (getpid(), SIGSTOP);
}
}
// baggage_counter (0);
return 0;
}
void Solver::run(
const Instance & instance,
const TerminationCondition & termination,
int population_size
)
{
// generate random population
for(int i = 0; i < population_size; i++){
Individual * next = new Individual(instance.num_words());
state.inc_processed();
next->randomize();
next->set_cost(instance.evaluate(next));
state.population().add(next);
}
// evaluate individuals, sort them etc.
update_population(instance);
while( !termination(state) ){
// select parents
std::vector<const Individual *> parents =
parent_selector(state);
// crossover
std::vector<Individual *> children =
crossover_strategy(state, parents);
// mutation
mutation_strategy(state, children);
// evaluate children
for(unsigned int i = 0; i < children.size(); i++){
int c = instance.evaluate(children[i]);
state.inc_processed();
children[i]->set_cost(c);
}
local_search(state, children);
// replacement
replacement_strategy(state, children);
update_population(instance);
immigration(state, instance);
update_population(instance);
// one more iteration...
state.inc_iteration();
printf("current iteration : %5d best: %d diversity : %lf processed : %llu \n",
state.iteration(),
state.population().best(),
state.population().diversity(),
state.processed());
fflush(stdout);
save_iteration_info();
}
}
int main()
{
takeInputs();
FILE *f = fopen("Ids.txt","w");
printf("I am the AIRPORT PROCESS. PID: %d ; Parent ID : %d\n",getpid(),getppid());
boardPid = fork();
if(boardPid == 0)
{
board_pass(user);
exit(4);
}
waloPid = fork();
if(waloPid == 0)
{
wait_lounge(user);
exit(4);
}
secPid = fork();
if(secPid == 0)
{
security(user);
exit(3);
}
immPid = fork();
if(immPid == 0)
{
immigration(user);
exit(2);
}
bagPid = fork();
if(bagPid == 0)
{
baggage(user);
exit(1);
}
fprintf(f,"%d ",bagPid);
fprintf(f,"%d ",immPid);
fprintf(f,"%d ",secPid);
fprintf(f,"%d ",waloPid);
fprintf(f,"%d ",boardPid);
fclose(f);
//Main function block
int y,i,j;
for(y=0;y<allowed;y++)
{
printf("\nMain User number : %d => \n",y);
sleep(1);
kill(bagPid,SIGCONT);
waitpid(bagPid,&status,WUNTRACED);
kill(immPid,SIGCONT);
}
kill(getpid(),SIGSTOP);
int wait_count;
f = fopen("./board_pass/wait_count.txt","r");
fscanf(f,"%d",&wait_count);
fclose(f);
printf("\nAIRPORT SPEAKING ==> Total number of passengers arrived at airport : %d\n",allowed);
printf("\nAIRPORT SPEAKING ==> Total number of passengers boarded : %d\n",allowed-wait_count);
printf("\nAIRPORT SPEAKING ==> Flight number %d ready for departure with %d passengers\n",getpid(),allowed-wait_count);
while(wait(NULL)!= -1);
return 0;
}
