You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
#include "./bellringer.h"
|
|
#include "../interrupt/guard.h"
|
|
|
|
// check: Checks whether bells are running out of time and rings them if
|
|
// necessary
|
|
void Bellringer::check(Vault &vault) {
|
|
auto first = vault.bellringer.bells.dequeue();
|
|
first->counter--;
|
|
if (vault.bellringer.bellPending()){
|
|
vault.bellringer.bells.insertFirst(*first);
|
|
}
|
|
if (vault.bellringer.bellPending()){
|
|
if (first->counter < 1) {
|
|
vault.sch.ready(vault.bellringer.bells.dequeue()->thread);
|
|
}
|
|
|
|
}
|
|
}
|
|
// job: Give a bell to the bellringer & ring it when the specified time ran out.
|
|
void Bellringer::sleep(Vault &vault, unsigned int ms) {
|
|
Bell bell;
|
|
bell.thread = vault.sch.dispatcher.active();
|
|
auto tmp = vault.bellringer.bells.dequeue();
|
|
vault.bellringer.bells.insertFirst(*tmp);
|
|
do{
|
|
ms-=tmp->counter;
|
|
} while ((tmp=vault.bellringer.bells.next(*tmp)) != nullptr );
|
|
bell.counter = ms;
|
|
vault.sch.resume(false);
|
|
}
|
|
|
|
// Are there bells in the queue?
|
|
bool Bellringer::bellPending() const {
|
|
if (bells.is_empty())
|
|
return false;
|
|
else
|
|
return true;
|
|
}
|