main, model: don't 'initialize' system_context

[model-checker.git] / model.h

diff --git a/model.h b/model.h
index dc6ef6add21045042ed42a29882e3ad9a38ac34e..dbf0654fc21b22aec59cb1c1d42ec6fef094a451 100644 (file)
--- a/model.h
+++ b/model.h
@@ -36,17 +36,8 @@ public:
        ModelChecker(struct model_params params);
        ~ModelChecker();
 
-       /** The scheduler to use: tracks the running/ready Threads */
-       Scheduler *scheduler;
-
-       /** Stores the context for the main model-checking system thread (call
-        * once)
-        * @param ctxt The system context structure
-        */
-       void set_system_context(ucontext_t *ctxt) { system_context = ctxt; }
-
        /** @returns the context for the main model-checking system thread */
-       ucontext_t * get_system_context(void) { return system_context; }
+       ucontext_t * get_system_context() { return &system_context; }
 
        void check_current_action(void);
 
@@ -55,7 +46,7 @@ public:
 
        Thread * schedule_next_thread();
 
-       int add_thread(Thread *t);
+       void add_thread(Thread *t);
        void remove_thread(Thread *t);
        Thread * get_thread(thread_id_t tid) { return thread_map->get(id_to_int(tid)); }
 
@@ -63,6 +54,9 @@ public:
        int get_num_threads();
        modelclock_t get_next_seq_num();
 
+       /** @return The currently executing Thread. */
+       Thread * get_current_thread() { return scheduler->get_current_thread(); }
+
        int switch_to_master(ModelAction *act);
        ClockVector * get_cv(thread_id_t tid);
        bool next_execution();
@@ -70,8 +64,13 @@ public:
        bool isfinalfeasible();
        void check_promises(ClockVector *old_cv, ClockVector * merge_cv);
 
+       void finish_execution();
+
        MEMALLOC
 private:
+       /** The scheduler to use: tracks the running/ready Threads */
+       Scheduler *scheduler;
+
        int next_thread_id;
        modelclock_t used_sequence_numbers;
        int num_executions;
@@ -86,6 +85,8 @@ private:
         */
        void set_current_action(ModelAction *act) { current_action = act; }
 
+       bool take_step();
+
        ModelAction * get_last_conflict(ModelAction *act);
        void set_backtracking(ModelAction *act);
        thread_id_t get_next_replay_thread();
@@ -108,7 +109,7 @@ private:
        ModelAction *diverge;
        thread_id_t nextThread;
 
-       ucontext_t *system_context;
+       ucontext_t system_context;
        action_list_t *action_trace;
        HashTable<int, Thread *, int> *thread_map;