X-Git-Url: http://plrg.eecs.uci.edu/git/?p=model-checker.git;a=blobdiff_plain;f=model.h;h=1dc6a158d3aa63247d1051977fe734f1b9cf042f;hp=b6a0004d5a3d119e413d01e5184741930ac5e505;hb=810306cb85accaaace9a50f174264f105991230b;hpb=88e927cbc95771540c3ff7b905a84dbd8f37323c diff --git a/model.h b/model.h index b6a0004..1dc6a15 100644 --- a/model.h +++ b/model.h @@ -3,74 +3,71 @@ #include #include +#include +#include +#include #include "schedule.h" +#include "mymemory.h" +#include #include "libthreads.h" #include "libatomic.h" #include "threads.h" -#include "tree.h" +#include "action.h" -#define VALUE_NONE -1 - -typedef enum action_type { - THREAD_CREATE, - THREAD_YIELD, - THREAD_JOIN, - ATOMIC_READ, - ATOMIC_WRITE -} action_type_t; - -class ModelAction { -public: - ModelAction(action_type_t type, memory_order order, void *loc, int value); - void print(void); - - thread_id_t get_tid() { return tid; } - action_type get_type() { return type; } - memory_order get_mo() { return order; } - void *get_location() { return location; } - - TreeNode *get_node() { return node; } - void set_node(TreeNode *n) { node = n; } -private: - action_type type; - memory_order order; - void *location; - thread_id_t tid; - int value; - TreeNode *node; -}; +/* Forward declaration */ +class TreeNode; +class Backtrack; class ModelChecker { public: ModelChecker(); ~ModelChecker(); class Scheduler *scheduler; - Thread *system_thread; - void add_system_thread(Thread *t); + void set_system_context(ucontext_t *ctxt) { system_context = ctxt; } + ucontext_t * get_system_context(void) { return system_context; } void set_current_action(ModelAction *act) { current_action = act; } void check_current_action(void); - void set_backtracking(ModelAction *act); - void print_trace(void); + void print_summary(void); + Thread * schedule_next_thread(); int add_thread(Thread *t); - Thread *get_thread(thread_id_t tid) { return thread_map[tid]; } + void remove_thread(Thread *t); + Thread * get_thread(thread_id_t tid) { return thread_map[id_to_int(tid)]; } - void assign_id(Thread *t); + thread_id_t get_next_id(); + int get_next_seq_num(); int switch_to_master(ModelAction *act); + + bool next_execution(); + MEMALLOC private: - int used_thread_id; + int next_thread_id; + int used_sequence_numbers; + int num_executions; + + ModelAction * get_last_conflict(ModelAction *act); + void set_backtracking(ModelAction *act); + thread_id_t get_next_replay_thread(); + Backtrack * get_next_backtrack(); + void reset_to_initial_state(); + + void print_list(action_list_t *list); + class ModelAction *current_action; - std::list action_trace; - std::map thread_map; + Backtrack *exploring; + thread_id_t nextThread; + + ucontext_t *system_context; + action_list_t *action_trace; + std::map, MyAlloc< std::pair< const int, class Thread * > > > thread_map; class TreeNode *rootNode, *currentNode; + std::list > backtrack_list; }; extern ModelChecker *model; -int thread_switch_to_master(ModelAction *act); - #endif /* __MODEL_H__ */