model: add const

diff --git a/model.cc b/model.cc
index 700f25c017b1d44aa310eee2f4518c7e051abf1c..8d8c18780fe756d3b0770806b36bf952f169b187 100644 (file)
--- a/model.cc
+++ b/model.cc
@@ -172,7 +172,7 @@ unsigned int ModelChecker::get_num_threads() const
 }
 
 /** @return The currently executing Thread. */
-Thread * ModelChecker::get_current_thread()
+Thread * ModelChecker::get_current_thread() const
 {
        return scheduler->get_current_thread();
 }
@@ -183,7 +183,8 @@ modelclock_t ModelChecker::get_next_seq_num()
        return ++priv->used_sequence_numbers;
 }
 
-Node * ModelChecker::get_curr_node() {
+Node * ModelChecker::get_curr_node() const
+{
        return node_stack->get_head();
 }
 
@@ -2016,7 +2017,7 @@ ModelAction * ModelChecker::get_last_unlock(ModelAction *curr) const
        return NULL;
 }
 
-ModelAction * ModelChecker::get_parent_action(thread_id_t tid)
+ModelAction * ModelChecker::get_parent_action(thread_id_t tid) const
 {
        ModelAction *parent = get_last_action(tid);
        if (!parent)
@@ -2029,7 +2030,7 @@ ModelAction * ModelChecker::get_parent_action(thread_id_t tid)
  * @param tid The thread whose clock vector we want
  * @return Desired clock vector
  */
-ClockVector * ModelChecker::get_cv(thread_id_t tid)
+ClockVector * ModelChecker::get_cv(thread_id_t tid) const
 {
        return get_parent_action(tid)->get_cv();
 }

diff --git a/model.h b/model.h
index 74866c65b6824138c09eef3400d49d6527000d27..80917741c0048ad1d05ca952d2459484f1523fce 100644 (file)
--- a/model.h
+++ b/model.h
@@ -111,11 +111,11 @@ public:
 
        thread_id_t get_next_id();
        unsigned int get_num_threads() const;
-       Thread * get_current_thread();
+       Thread * get_current_thread() const;
 
        int switch_to_master(ModelAction *act);
-       ClockVector * get_cv(thread_id_t tid);
-       ModelAction * get_parent_action(thread_id_t tid);
+       ClockVector * get_cv(thread_id_t tid) const;
+       ModelAction * get_parent_action(thread_id_t tid) const;
        void check_promises_thread_disabled();
        void mo_check_promises(thread_id_t tid, const ModelAction *write);
        void check_promises(thread_id_t tid, ClockVector *old_cv, ClockVector * merge_cv);
@@ -128,7 +128,7 @@ public:
        void set_bad_synchronization();
 
        const model_params params;
-       Node * get_curr_node();
+       Node * get_curr_node() const;
 
        MEMALLOC
 private: