X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=model.h;h=6685ab365c64179ff91c303cf19b8fd709da05c4;hb=8e7d06831c75df291170b57a5573efead68eaad9;hp=b078939da637f6297d5383b50d21a3bb507698db;hpb=20f8e2bc8677046c4bd7cb0bb80696ced41301f2;p=model-checker.git

diff --git a/model.h b/model.h
index b078939..6685ab3 100644
--- a/model.h
+++ b/model.h
@@ -67,7 +67,8 @@ struct execution_stats {
 };
 
 struct PendingFutureValue {
-	ModelAction *writer;
+	PendingFutureValue(ModelAction *writer, ModelAction *act) : writer(writer), act(act) { }
+	const ModelAction *writer;
 	ModelAction *act;
 };
 
@@ -101,13 +102,13 @@ public:
 
 	void print_summary() const;
 #if SUPPORT_MOD_ORDER_DUMP
-	void dumpGraph(char *filename);
+	void dumpGraph(char *filename) const;
 #endif
 
 	void add_thread(Thread *t);
 	void remove_thread(Thread *t);
 	Thread * get_thread(thread_id_t tid) const;
-	Thread * get_thread(ModelAction *act) const;
+	Thread * get_thread(const ModelAction *act) const;
 
 	bool is_enabled(Thread *t) const;
 	bool is_enabled(thread_id_t tid) const;
@@ -116,12 +117,12 @@ public:
 	unsigned int get_num_threads() const;
 	Thread * get_current_thread() const;
 
-	int switch_to_master(ModelAction *act);
+	uint64_t switch_to_master(ModelAction *act);
 	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);
+	void mo_check_promises(thread_id_t tid, const ModelAction *write, const ModelAction * read);
+	void check_promises(thread_id_t tid, ClockVector *old_cv, ClockVector *merge_cv);
 	bool isfeasibleprefix() const;
 
 	bool assert_bug(const char *msg);
@@ -135,42 +136,44 @@ private:
 	/** The scheduler to use: tracks the running/ready Threads */
 	Scheduler *scheduler;
 
-	bool sleep_can_read_from(ModelAction * curr, const ModelAction *write);
-	bool thin_air_constraint_may_allow(const ModelAction * writer, const ModelAction *reader);
-	bool mo_may_allow(const ModelAction * writer, const ModelAction *reader);
+	bool sleep_can_read_from(ModelAction *curr, const ModelAction *write);
+	bool thin_air_constraint_may_allow(const ModelAction *writer, const ModelAction *reader);
+	bool mo_may_allow(const ModelAction *writer, const ModelAction *reader);
 	bool has_asserted() const;
 	void set_assert();
 	void set_bad_synchronization();
 	bool promises_expired() const;
 	void execute_sleep_set();
-	void wake_up_sleeping_actions(ModelAction * curr);
+	void wake_up_sleeping_actions(ModelAction *curr);
 	modelclock_t get_next_seq_num();
 
 	bool next_execution();
 	void set_current_action(ModelAction *act);
-	Thread * check_current_action(ModelAction *curr);
+	ModelAction * check_current_action(ModelAction *curr);
 	bool initialize_curr_action(ModelAction **curr);
 	bool process_read(ModelAction *curr, bool second_part_of_rmw);
 	bool process_write(ModelAction *curr);
+	bool process_fence(ModelAction *curr);
 	bool process_mutex(ModelAction *curr);
 	bool process_thread_action(ModelAction *curr);
 	void process_relseq_fixup(ModelAction *curr, work_queue_t *work_queue);
 	bool read_from(ModelAction *act, const ModelAction *rf);
 	bool check_action_enabled(ModelAction *curr);
 
-	bool take_step();
+	bool take_step(ModelAction *curr);
 
 	void check_recency(ModelAction *curr, const ModelAction *rf);
 	ModelAction * get_last_conflict(ModelAction *act);
 	void set_backtracking(ModelAction *act);
 	Thread * get_next_thread(ModelAction *curr);
+	bool set_latest_backtrack(ModelAction *act);
 	ModelAction * get_next_backtrack();
 	void reset_to_initial_state();
 	bool resolve_promises(ModelAction *curr);
 	void compute_promises(ModelAction *curr);
 	void compute_relseq_breakwrites(ModelAction *curr);
 
-	void check_curr_backtracking(ModelAction * curr);
+	void check_curr_backtracking(ModelAction *curr);
 	void add_action_to_lists(ModelAction *act);
 	ModelAction * get_last_action(thread_id_t tid) const;
 	ModelAction * get_last_fence_release(thread_id_t tid) const;
@@ -180,11 +183,17 @@ private:
 	void build_reads_from_past(ModelAction *curr);
 	ModelAction * process_rmw(ModelAction *curr);
 	void post_r_modification_order(ModelAction *curr, const ModelAction *rf);
-	bool r_modification_order(ModelAction *curr, const ModelAction *rf);
+
+	template <typename rf_type>
+	bool r_modification_order(ModelAction *curr, const rf_type *rf);
+
 	bool w_modification_order(ModelAction *curr);
 	void get_release_seq_heads(ModelAction *acquire, ModelAction *read, rel_heads_list_t *release_heads);
 	bool release_seq_heads(const ModelAction *rf, rel_heads_list_t *release_heads, struct release_seq *pending) const;
 	bool resolve_release_sequences(void *location, work_queue_t *work_queue);
+	void add_future_value(const ModelAction *writer, ModelAction *reader);
+
+	ModelAction * new_uninitialized_action(void *location) const;
 
 	ModelAction *diverge;
 	ModelAction *earliest_diverge;
@@ -249,8 +258,8 @@ private:
 	struct execution_stats stats;
 	void record_stats();
 
+	void print_infeasibility(const char *prefix) const;
 	bool is_feasible_prefix_ignore_relseq() const;
-	bool is_infeasible_ignoreRMW() const;
 	bool is_infeasible() const;
 	bool is_deadlocked() const;
 	bool is_complete_execution() const;