threads: add const

diff --git a/threads-model.h b/threads-model.h
index b99b279b8ece6cccc916f227d228464112967254..9a4d959ddd8d380c2562d624b97fc8059f315444 100644 (file)
--- a/threads-model.h
+++ b/threads-model.h
@@ -43,14 +43,14 @@ public:
        static int swap(ucontext_t *ctxt, Thread *t);
        static int swap(Thread *t, ucontext_t *ctxt);
 
-       thread_state get_state() { return state; }
+       thread_state get_state() const { 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_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
@@ -65,16 +65,16 @@ public:
         * 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.
@@ -82,15 +82,15 @@ public:
         */
        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
@@ -102,7 +102,7 @@ public:
                return ret;
        }
 
-       bool is_model_thread() { return model_thread; }
+       bool is_model_thread() const { return model_thread; }
 
        friend void thread_startup();
 

diff --git a/threads.cc b/threads.cc
index 3b793cff0c443f6f70f6d156e6ec456f40fdbe67..6b4e2c740ab50b7b55f624b7bda05a4c9ad72678 100644 (file)
--- a/threads.cc
+++ b/threads.cc
@@ -174,7 +174,7 @@ Thread::~Thread()
 }
 
 /** @return The thread_id_t corresponding to this Thread object. */
-thread_id_t Thread::get_id()
+thread_id_t Thread::get_id() const
 {
        return id;
 }