X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=history.h;h=431f978ea3f54e1053e682aadece744b9ed0ca44;hb=d49c09078cfbb85f565cc59b83ec727bc08b72bf;hp=2a77e251f8786709d7731318075047803e31d1fe;hpb=8caa7a3bd239c0141876f4f5a47d3910f1747e3c;p=c11tester.git

diff --git a/history.h b/history.h
index 2a77e251..431f978e 100644
--- a/history.h
+++ b/history.h
@@ -1,12 +1,13 @@
 #ifndef __HISTORY_H__
 #define __HISTORY_H__
 
-#include "stl-model.h"
 #include "common.h"
+#include "classlist.h"
 #include "hashtable.h"
-#include "hashset.h"
 #include "threads-model.h"
 
+#define INIT_SEQ_NUMBER 0xffffffff
+
 class ModelHistory {
 public:
 	ModelHistory();
@@ -26,19 +27,34 @@ public:
 
 	ModelVector<FuncNode *> * getFuncNodes() { return &func_nodes; }
 	FuncNode * get_func_node(uint32_t func_id);
-//	uint64_t query_last_read(void * location, thread_id_t tid);
+	FuncNode * get_curr_func_node(thread_id_t tid);
+
+	void update_write_history(void * location, uint64_t write_val);
+	HashTable<void *, value_set_t *, uintptr_t, 0> * getWriteHistory() { return write_history; }
+	void update_loc_rd_func_nodes_map(void * location, FuncNode * node);
+	void update_loc_wr_func_nodes_map(void * location, FuncNode * node);
+	SnapVector<FuncNode *> * getRdFuncNodes(void * location);
+	SnapVector<FuncNode *> * getWrFuncNodes(void * location);
+
+	void add_waiting_write(ConcretePredicate * concrete);
+	void remove_waiting_write(thread_id_t tid);
+	void check_waiting_write(ModelAction * write_act);
+	SnapVector<ConcretePredicate *> * getThrdWaitingWrite() { return thrd_waiting_write; }
 
-	void add_to_write_history(void * location, uint64_t write_val);
-	HashTable<void *, value_set_t *, uintptr_t, 4> * getWriteHistory() { return &write_history; }
-	void add_to_loc_func_nodes_map(void * location, FuncNode * node);
+	WaitObj * getWaitObj(thread_id_t tid);
+	void add_waiting_thread(thread_id_t self_id, thread_id_t waiting_for_id, FuncNode * target_node, int dist);
+	void remove_waiting_thread(thread_id_t tid);
+	void stop_waiting_for_node(thread_id_t self_id, thread_id_t waiting_for_id, FuncNode * target_node);
 
 	void set_new_exec_flag();
-	void print_write();
+	void dump_func_node_graph();
 	void print_func_node();
+	void print_waiting_threads();
 
 	MEMALLOC
 private:
 	uint32_t func_counter;
+	modelclock_t last_seq_number;
 
 	/* Map function names to integer ids */
 	HashTable<const char *, uint32_t, uintptr_t, 4, model_malloc, model_calloc, model_free> func_map;
@@ -48,10 +64,32 @@ private:
 
 	ModelVector<FuncNode *> func_nodes;
 
-	HashTable<void *, value_set_t *, uintptr_t, 4> write_history;
+	/* Map a location to a set of values that have been written to it */
+	HashTable<void *, value_set_t *, uintptr_t, 0> * write_history;
 
 	/* Map a location to FuncNodes that may read from it */
-	HashTable<void *, SnapList<FuncNode *> *, uintptr_t, 4> loc_func_nodes_map;
+	HashTable<void *, SnapVector<FuncNode *> *, uintptr_t, 0> * loc_rd_func_nodes_map;
+
+	/* Map a location to FuncNodes that may write to it */
+	HashTable<void *, SnapVector<FuncNode *> *, uintptr_t, 0> * loc_wr_func_nodes_map;
+
+	HashTable<void *, SnapVector<ConcretePredicate *> *, uintptr_t, 0> * loc_waiting_writes_map;
+
+	/* thrd_func_list stores a list of function ids for each thread.
+	 * Each element in thrd_func_list stores the functions that
+	 * thread i has entered and yet to exit from
+	 */
+	SnapVector<func_id_list_t> * thrd_func_list;
+	SnapVector<uint32_t> * thrd_last_entered_func;
+
+	/* The write values each paused thread is waiting for */
+	SnapVector<ConcretePredicate *> * thrd_waiting_write;
+	SnapVector<WaitObj *> * thrd_wait_obj;
+
+	bool skip_action(ModelAction * act);
+	void monitor_waiting_thread(uint32_t func_id, thread_id_t tid);
+	void monitor_waiting_thread_counter(thread_id_t tid);
+
 };
 
 #endif	/* __HISTORY_H__ */