X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=action.h;h=f742ddc62854a79fd2f2aff3721914781f115b36;hb=d70f6f259c9850e5fceb527e3a9541c440c0146b;hp=21fed0c16950195e1692af65db0d540b960b9b7d;hpb=a4090d03cc1a5f5bca8f10986d74b76a9bb45371;p=model-checker.git diff --git a/action.h b/action.h index 21fed0c..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 */ @@ -82,19 +81,33 @@ 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; bool is_trylock() const; bool is_unlock() const; + bool is_wait() const; + bool is_notify() const; + 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; @@ -103,6 +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; @@ -111,9 +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; @@ -154,6 +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;