foo

sync/bellringer.cc

@@ -1,16 +1,38 @@
 #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) { (void)vault; }
+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) {
-  (void)vault;
-  (void)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 { return false; }
+bool Bellringer::bellPending() const { 
+  if (bells.is_empty())
+    return false;
+  else
+    return true; 
+}