7 Scheduler::Scheduler() :
13 * Add a Thread to the scheduler's ready list.
14 * @param t The Thread to add
16 void Scheduler::add_thread(Thread *t)
18 DEBUG("thread %d\n", t->get_id());
19 readyList.push_back(t);
23 * Remove a given Thread from the scheduler.
24 * @param t The Thread to remove
26 void Scheduler::remove_thread(Thread *t)
35 * Prevent a Thread from being scheduled. The sleeping Thread should be
36 * re-awoken via Scheduler::wake.
37 * @param thread The Thread that should sleep
39 void Scheduler::sleep(Thread *t)
42 t->set_state(THREAD_BLOCKED);
46 * Wake a Thread up that was previously waiting (see Scheduler::wait)
47 * @param t The Thread to wake up
49 void Scheduler::wake(Thread *t)
52 t->set_state(THREAD_READY);
56 * Remove one Thread from the scheduler. This implementation defaults to FIFO,
57 * if a thread is not already provided.
59 * @param t Thread to run, if chosen by an external entity (e.g.,
60 * ModelChecker). May be NULL to indicate no external choice.
61 * @return The next Thread to run
63 Thread * Scheduler::next_thread(Thread *t)
68 } else if (readyList.empty()) {
71 t = readyList.front();
73 readyList.pop_front();
82 * @return The currently-running Thread
84 Thread * Scheduler::get_current_thread() const
90 * Print debugging information about the current state of the scheduler. Only
91 * prints something if debugging is enabled.
93 void Scheduler::print() const
96 DEBUG("Current thread: %d\n", current->get_id());
98 DEBUG("No current thread\n");
99 DEBUG("Num. threads in ready list: %zu\n", readyList.size());
101 std::list<Thread *, MyAlloc< Thread * > >::const_iterator it;
102 for (it = readyList.begin(); it != readyList.end(); it++)
103 DEBUG("In ready list: thread %d\n", (*it)->get_id());