X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=model.h;h=b8a485931882f119ff5b70140c63f213fb79658f;hb=31246eff241f4593a33501f8c33b6eadca1d7664;hp=c3e5830211c9276ec7b5004504fbb9472df32069;hpb=50b95c3747f4fe79b2ab1a1a6fc303224e16e418;p=model-checker.git diff --git a/model.h b/model.h index c3e5830..b8a4859 100644 --- a/model.h +++ b/model.h @@ -17,6 +17,7 @@ #include "action.h" #include "clockvector.h" #include "hashtable.h" +#include "workqueue.h" /* Forward declaration */ class NodeStack; @@ -29,6 +30,13 @@ class Promise; */ struct model_params { int maxreads; + int maxfuturedelay; +}; + +struct PendingFutureValue { + uint64_t value; + modelclock_t expiration; + ModelAction * act; }; /** @@ -60,6 +68,7 @@ public: 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)); } + Thread * get_thread(ModelAction *act) { return get_thread(act->get_tid()); } thread_id_t get_next_id(); int get_num_threads(); @@ -73,11 +82,11 @@ public: ModelAction * get_parent_action(thread_id_t tid); bool next_execution(); bool isfeasible(); + bool isfeasibleotherthanRMW(); bool isfinalfeasible(); void check_promises(ClockVector *old_cv, ClockVector * merge_cv); void get_release_seq_heads(ModelAction *act, - std::vector *release_heads); - + std::vector< const ModelAction *, MyAlloc > *release_heads); void finish_execution(); bool isfeasibleprefix(); void set_assert() {asserted=true;} @@ -87,10 +96,12 @@ private: /** The scheduler to use: tracks the running/ready Threads */ Scheduler *scheduler; + bool thin_air_constraint_may_allow(const ModelAction * writer, const ModelAction *reader); bool has_asserted() {return asserted;} void reset_asserted() {asserted=false;} int num_executions; - + int num_feasible_executions; + bool promises_expired(); const model_params params; /** @@ -101,11 +112,13 @@ private: */ void set_current_action(ModelAction *act) { priv->current_action = act; } Thread * check_current_action(ModelAction *curr); - bool process_read(ModelAction *curr, Thread * th, bool second_part_of_rmw); + ModelAction * initialize_curr_action(ModelAction *curr); + bool process_read(ModelAction *curr, bool second_part_of_rmw); + bool process_write(ModelAction *curr); bool take_step(); - void check_recency(ModelAction *curr, bool already_added); + void check_recency(ModelAction *curr); ModelAction * get_last_conflict(ModelAction *act); void set_backtracking(ModelAction *act); Thread * get_next_thread(ModelAction *curr); @@ -114,17 +127,18 @@ private: bool resolve_promises(ModelAction *curr); void compute_promises(ModelAction *curr); + void check_curr_backtracking(ModelAction * curr); void add_action_to_lists(ModelAction *act); ModelAction * get_last_action(thread_id_t tid); - ModelAction * get_last_seq_cst(const void *location); + ModelAction * get_last_seq_cst(ModelAction *curr); 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); bool w_modification_order(ModelAction *curr); bool release_seq_head(const ModelAction *rf, - std::vector *release_heads) const; - bool resolve_release_sequences(void *location); + std::vector< const ModelAction *, MyAlloc > *release_heads) const; + bool resolve_release_sequences(void *location, work_queue_t *work_queue); ModelAction *diverge; @@ -138,6 +152,7 @@ private: HashTable, uintptr_t, 4 > *obj_thrd_map; std::vector *promises; + std::vector *futurevalues; /** * Collection of lists of objects that might synchronize with one or