int
main(int argc, char *argv[])
{
int i;
if(argc != 2) {
printf(2, "You must pass the number of soldiers\n");
exit();
}
n = atoi(argv[1]);
if(n < 1) {
printf(2, "Number of soldiers must be positive\n");
exit();
}
uthread_init();
for(i = 0; i < n; ++i) {
binary_semaphore_init(&soldier_ready[i], 0);
binary_semaphore_init(&soldier_waiting[i], 0);
binary_semaphore_init(&soldier_prepared[i], 0);
binary_semaphore_init(&soldier_update[i], 0);
}
for(i = 0; i < n; ++i) {
uthread_create(run_soldier, (void*)i);
}
for(;;) {
for(i = 0; i < n; ++i) {
binary_semaphore_down(&soldier_ready[i]);
}
print_cells();
if(all_firing()) {
exit();
}
for(i = 0; i < n; ++i) {
binary_semaphore_up(&soldier_waiting[i]);
}
for(i = 0; i < n; ++i) {
binary_semaphore_down(&soldier_prepared[i]);
}
for(i = 0; i < n; ++i) {
binary_semaphore_up(&soldier_update[i]);
}
}
}
//-----------------------------------PART 3
int main(){
uthread_init();
struct binary_semaphore semaphore;
binary_semaphore_init(&semaphore, 1);
uthread_create(&foo, &semaphore);
uthread_create(&foo, &semaphore);
// uthread_join(2);
uthread_exit();
exit();
}
int main(int argc,char** argv)
{
int i;
if(argc!=2)
{
printf(1,"please write how much soldiers do you want (LESS THEN 64)\n");
goto out_err;
}
soldiersAmount=atoi(argv[1]);
if(soldiersAmount>64 || soldiersAmount<2)
{
printf(1,"please write how much soldiers do you want (LESS THEN 64)\n");
goto out_err;
}
currentState[0][0]=AS;
currentState[1][0]=AS;
currentState[0][soldiersAmount+1]=AS;
currentState[1][soldiersAmount+1]=AS;
state=0;
counter=0;
binary_semaphore_init(&arrival,1);
binary_semaphore_init(&departure,0);
binary_semaphore_init(&printing,0);
fatherPID=getpid();
signal(4,printArray);
currentState[0][1]=P;
for(i=2; i<=soldiersAmount;i++)
{
currentState[0][i]=Q;
}
uthread_init();
int tid;
for(i=1;i<=soldiersAmount;i++)
{
tid = uthread_create(run, (void *) i);
if (!tid)
goto out_err;
}
while (currentState[0][i]!=F && currentState[1][i]!=F)
{
binary_semaphore_down(&printing);
printArray();
}
printArray();
printArray();
uthread_exit();
out_err:
printf(1,"Faild to create thread, we go bye bye\n");
exit();
}