model: report status of resolved promises
[model-checker.git] / schedule.cc
index d344fb1acdcf858db73d098b7341a8dae930125f..69e3d88803bcc06d15ee2fed115330b1397662f5 100644 (file)
@@ -3,13 +3,39 @@
 #include "common.h"
 #include "model.h"
 
+/** Constructor */
+Scheduler::Scheduler() :
+       current(NULL)
+{
+}
+
+/**
+ * Add a Thread to the scheduler's ready list.
+ * @param t The Thread to add
+ */
 void Scheduler::add_thread(Thread *t)
 {
        DEBUG("thread %d\n", t->get_id());
        readyList.push_back(t);
 }
 
-Thread *Scheduler::next_thread(void)
+/**
+ * Remove a given Thread from the scheduler.
+ * @param t The Thread to remove
+ */
+void Scheduler::remove_thread(Thread *t)
+{
+       if (current == t)
+               current = NULL;
+       else
+               readyList.remove(t);
+}
+
+/**
+ * Remove one Thread from the scheduler. This implementation performs FIFO.
+ * @return The next Thread to run
+ */
+Thread * Scheduler::next_thread()
 {
        Thread *t = model->schedule_next_thread();
 
@@ -29,20 +55,27 @@ Thread *Scheduler::next_thread(void)
        return t;
 }
 
-Thread *Scheduler::get_current_thread(void)
+/**
+ * @return The currently-running Thread
+ */
+Thread * Scheduler::get_current_thread() const
 {
        return current;
 }
 
-void Scheduler::print()
+/**
+ * Print debugging information about the current state of the scheduler. Only
+ * prints something if debugging is enabled.
+ */
+void Scheduler::print() const
 {
        if (current)
-               printf("Current thread: %d\n", current->get_id());
+               DEBUG("Current thread: %d\n", current->get_id());
        else
-               printf("No current thread\n");
-       printf("# Threads in ready list: %ld\n", readyList.size());
+               DEBUG("No current thread\n");
+       DEBUG("Num. threads in ready list: %zu\n", readyList.size());
 
-       std::list<Thread *>::iterator it;
+       std::list<Thread *, MyAlloc< Thread * > >::const_iterator it;
        for (it = readyList.begin(); it != readyList.end(); it++)
-               printf("In ready list: thread %d\n", (*it)->get_id());
+               DEBUG("In ready list: thread %d\n", (*it)->get_id());
 }