X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=promise.h;h=e306e14a261aafe8d38b0753524cd194dfc730f0;hb=refs%2Fheads%2Fmaster;hp=e8c233c61d8240d4820fc39ad7d735d0ffeff355;hpb=cb7d648c3c1c3d916c7fc60a7cb332eb2b52d510;p=model-checker.git

diff --git a/promise.h b/promise.h
index e8c233c..e306e14 100644
--- a/promise.h
+++ b/promise.h
@@ -14,6 +14,7 @@
 #include "stl-model.h"
 
 class ModelAction;
+class ModelExecution;
 
 struct future_value {
 	uint64_t value;
@@ -23,17 +24,20 @@ struct future_value {
 
 class Promise {
  public:
-	Promise(ModelAction *read, struct future_value fv);
+	Promise(const ModelExecution *execution, ModelAction *read, struct future_value fv);
 	bool add_reader(ModelAction *reader);
 	ModelAction * get_reader(unsigned int i) const;
 	unsigned int get_num_readers() const { return readers.size(); }
 	bool eliminate_thread(thread_id_t tid);
 	void add_thread(thread_id_t tid);
 	bool thread_is_available(thread_id_t tid) const;
+	bool thread_was_available(thread_id_t tid) const;
+	unsigned int max_available_thread_idx() const;
 	bool has_failed() const;
 	void set_write(const ModelAction *act) { write = act; }
 	const ModelAction * get_write() const { return write; }
 	int get_num_available_threads() const { return num_available_threads; }
+	int get_num_was_available_threads() const { return num_was_available_threads; }
 	bool is_compatible(const ModelAction *act) const;
 	bool is_compatible_exclusive(const ModelAction *act) const;
 	bool same_value(const ModelAction *write) const;
@@ -52,11 +56,16 @@ class Promise {
 
 	SNAPSHOTALLOC
  private:
+	/** @brief The execution which created this Promise */
+	const ModelExecution *execution;
+
 	/** @brief Thread ID(s) for thread(s) that potentially can satisfy this
 	 *  promise */
 	SnapVector<bool> available_thread;
+	SnapVector<bool> was_available_thread;
 
 	int num_available_threads;
+	int num_was_available_threads;
 
 	const future_value fv;