static int swap(ucontext_t *ctxt, Thread *t);
static int swap(Thread *t, ucontext_t *ctxt);
- thread_state get_state() { return state; }
- void set_state(thread_state s) { state = s; }
- thread_id_t get_id();
- thrd_t get_thrd_t() { return *user_thread; }
- Thread * get_parent() { return parent; }
+ thread_state get_state() const { return state; }
+ void set_state(thread_state s);
+ thread_id_t get_id() const;
+ thrd_t get_thrd_t() const { return *user_thread; }
+ Thread * get_parent() const { return parent; }
void set_creation(ModelAction *act) { creation = act; }
- ModelAction * get_creation() { return creation; }
+ ModelAction * get_creation() const { return creation; }
/**
* Set a return value for the last action in this thread (e.g., for an
* be called from a user context.
* @return The value 'returned' by the action
*/
- uint64_t get_return_value() { return last_action_val; }
+ uint64_t get_return_value() const { return last_action_val; }
/** @return True if this thread is finished executing */
- bool is_complete() { return state == THREAD_COMPLETED; }
+ bool is_complete() const { return state == THREAD_COMPLETED; }
/** @return True if this thread is blocked */
- bool is_blocked() { return state == THREAD_BLOCKED; }
+ bool is_blocked() const { return state == THREAD_BLOCKED; }
/** @return True if no threads are waiting on this Thread */
- bool wait_list_empty() { return wait_list.empty(); }
+ bool wait_list_empty() const { return wait_list.empty(); }
/**
* Add a ModelAction to the waiting list for this thread.
*/
void push_wait_list(ModelAction *act) { wait_list.push_back(act); }
- unsigned int num_wait_list() {
+ unsigned int num_wait_list() const {
return wait_list.size();
}
- ModelAction * get_waiter(unsigned int i) {
+ ModelAction * get_waiter(unsigned int i) const {
return wait_list[i];
}
- ModelAction * get_pending() { return pending; }
+ ModelAction * get_pending() const { return pending; }
void set_pending(ModelAction *act) { pending = act; }
/**
* Remove one ModelAction from the waiting list
return ret;
}
- bool is_model_thread() { return model_thread; }
+ bool is_model_thread() const { return model_thread; }
friend void thread_startup();
static inline thread_id_t thrd_to_id(thrd_t t)
{
- return t;
+ return t.priv->get_id();
}
+/**
+ * @brief Map a zero-based integer index to a unique thread ID
+ *
+ * This is the inverse of id_to_int
+ */
static inline thread_id_t int_to_id(int i)
{
return i;
}
+/**
+ * @brief Map a unique thread ID to a zero-based integer index
+ *
+ * This is the inverse of int_to_id
+ */
static inline int id_to_int(thread_id_t id)
{
return id;