X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=action.h;h=f742ddc62854a79fd2f2aff3721914781f115b36;hb=d70f6f259c9850e5fceb527e3a9541c440c0146b;hp=f7e7e5ea0febd7251ff91e49654807ed9e437a95;hpb=ffc110b3aaa80564dbf85f3c6a9049efd40571f1;p=model-checker.git

diff --git a/action.h b/action.h
index f7e7e5e..f742ddc 100644
--- a/action.h
+++ b/action.h
@@ -24,12 +24,10 @@ using std::memory_order_acq_rel;
 using std::memory_order_seq_cst;
 
 /** Note that this value can be legitimately used by a program, and
-		hence by iteself does not indicate no value. */
-
+ *  hence by iteself does not indicate no value. */
 #define VALUE_NONE 0xdeadbeef
 
 /** A special value to represent a successful trylock */
-
 #define VALUE_TRYSUCCESS 1
 
 /** A special value to represent a failed trylock */
@@ -45,6 +43,7 @@ typedef enum action_type {
 	THREAD_YIELD,         /**< A thread yield action */
 	THREAD_JOIN,          /**< A thread join action */
 	THREAD_FINISH,        /**< A thread completion action */
+	ATOMIC_UNINIT,        /**< Represents an uninitialized atomic */
 	ATOMIC_READ,          /**< An atomic read action */
 	ATOMIC_WRITE,         /**< An atomic write action */
 	ATOMIC_RMWR,          /**< The read part of an atomic RMW action */
@@ -82,12 +81,21 @@ public:
 	uint64_t get_value() const { return value; }
 	const ModelAction * get_reads_from() const { return reads_from; }
 
-	Node * get_node() const { return node; }
+	Node * get_node() const;
 	void set_node(Node *n) { node = n; }
 
+	void set_read_from(const ModelAction *act);
+
+	/** Store the most recent fence-release from the same thread
+	 *  @param fence The fence-release that occured prior to this */
+	void set_last_fence_release(const ModelAction *fence) { last_fence_release = fence; }
+	/** @return The most recent fence-release from the same thread */
+	const ModelAction * get_last_fence_release() const { return last_fence_release; }
+
 	void copy_from_new(ModelAction *newaction);
 	void set_seq_number(modelclock_t num);
 	void set_try_lock(bool obtainedlock);
+	bool is_thread_start() const;
 	bool is_relseq_fixup() const;
 	bool is_mutex_op() const;
 	bool is_lock() const;
@@ -98,6 +106,8 @@ public:
 	bool is_notify_one() const;
 	bool is_success_lock() const;
 	bool is_failed_trylock() const;
+	bool is_atomic_var() const;
+	bool is_uninitialized() const;
 	bool is_read() const;
 	bool is_write() const;
 	bool could_be_write() const;
@@ -106,6 +116,7 @@ public:
 	bool is_rmw() const;
 	bool is_fence() const;
 	bool is_initialization() const;
+	bool is_relaxed() const;
 	bool is_acquire() const;
 	bool is_release() const;
 	bool is_seqcst() const;
@@ -114,9 +125,10 @@ public:
 	bool is_conflicting_lock(const ModelAction *act) const;
 	bool could_synchronize_with(const ModelAction *act) const;
 
+	Thread * get_thread_operand() const;
+
 	void create_cv(const ModelAction *parent = NULL);
 	ClockVector * get_cv() const { return cv; }
-	bool read_from(const ModelAction *act);
 	bool synchronize_with(const ModelAction *act);
 
 	bool has_synchronized_with(const ModelAction *act) const;
@@ -157,6 +169,9 @@ private:
 	/** The action that this action reads from. Only valid for reads */
 	const ModelAction *reads_from;
 
+	/** The last fence release from the same thread */
+	const ModelAction *last_fence_release;
+
 	/** A back reference to a Node in NodeStack, if this ModelAction is
 	 * saved on the NodeStack. */
 	Node *node;