action: improve printing

[model-checker.git] / action.h

diff --git a/action.h b/action.h
index 68db2c35899c479b5aa1b0b9329f049a14b84e45..dd7de7a1ec2ca17f6081708d77758577e74777d7 100644 (file)
--- a/action.h
+++ b/action.h
@@ -26,7 +26,7 @@ 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. */
 
-#define VALUE_NONE 1234567890
+#define VALUE_NONE 0xdeadbeef
 
 /** A special value to represent a successful trylock */
 
@@ -94,6 +94,7 @@ public:
        bool is_failed_trylock() const;
        bool is_read() const;
        bool is_write() const;
+       bool could_be_write() const;
        bool is_rmwr() const;
        bool is_rmwc() const;
        bool is_rmw() const;
@@ -127,6 +128,7 @@ public:
 
        void set_sleep_flag() { sleep_flag=true; }
        bool get_sleep_flag() { return sleep_flag; }
+       unsigned int hash() const;
 
        MEMALLOC
 private: