playgame()
{
setupgame(); /* Set level to 1, get level etc */
/* Loop while checkfinish() says we haven't finished! */
while ( checkfinish() ) {
gamekeys(); /* Scan keys */
}
}
//fcfs algorithm -- no text referred developed from self logic : Jay Dihenkar
//date : 8th March 2014.
void fcfs(pptr head,pptr tail) {
pptr s_head=NULL;
pptr s_tail=NULL;
pptr auxnode;
int global_time=0;
start: while(head!=NULL && head->arr_time==global_time) {
auxnode = fetch_from_queue(&head,&tail);
add_to_queue(&s_head,&s_tail,auxnode);
}
if(s_head==NULL) {
if(head==NULL) { //all process are served we exit
fclose(write);
filecopy(stdout,trace);
fclose(trace);
return;
}
//else it's empty slot but still processes to come
printf("\nThe time slot at %d to %d is free slot!",global_time,global_time+1);
// fprintf(trace,"\nThe time slot at %d to %d is free slot!",global_time,global_time+1);
goto end_of_loop;
}
//else s_head not null and hence we serve the head process...
s_head=serve(s_head,1); //serve for 1 time slot
//check if the process has burst
if(checkfinish(s_head)) {
printf("\n\t\t\t\tFinish time for pid:%d is %d!",s_head->pid,global_time);
// fprintf(trace,"\n\t\t\t\tFinish time for pid:%d is %d!",s_head->pid,global_time);
fprintf(write,"\nFinish time for pid:%d is %d!",s_head->pid,global_time);
fetch_from_queue(&s_head,&s_tail);
}
end_of_loop:global_time++;
if(global_time>=100) { return;
}
goto start;
}
