commit untested condvar code

[model-checker.git] / action.h

diff --git a/action.h b/action.h
index f6fb06236fe0230eb942c38dcc177c081db341bd..f7e7e5ea0febd7251ff91e49654807ed9e437a95 100644 (file)
--- a/action.h
+++ b/action.h
@@ -7,11 +7,14 @@
 
 #include <list>
 #include <cstddef>
+#include <inttypes.h>
 
-#include "threads.h"
 #include "mymemory.h"
-#include "clockvector.h"
 #include "memoryorder.h"
+#include "modeltypes.h"
+
+class ClockVector;
+class Thread;
 
 using std::memory_order;
 using std::memory_order_relaxed;
@@ -23,7 +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 */
 
@@ -35,6 +38,8 @@ using std::memory_order_seq_cst;
 /** @brief Represents an action type, identifying one of several types of
  * ModelAction */
 typedef enum action_type {
+       MODEL_FIXUP_RELSEQ,   /**< Special ModelAction: finalize a release
+                              *   sequence */
        THREAD_CREATE,        /**< A thread creation action */
        THREAD_START,         /**< First action in each thread */
        THREAD_YIELD,         /**< A thread yield action */
@@ -50,7 +55,10 @@ typedef enum action_type {
        ATOMIC_FENCE,         /**< A fence action */
        ATOMIC_LOCK,          /**< A lock action */
        ATOMIC_TRYLOCK,       /**< A trylock action */
-       ATOMIC_UNLOCK         /**< An unlock action */
+       ATOMIC_UNLOCK,        /**< An unlock action */
+       ATOMIC_NOTIFY_ONE,    /**< A notify_one action */
+       ATOMIC_NOTIFY_ALL,    /**< A notify all action */
+       ATOMIC_WAIT           /**< A wait action */
 } action_type_t;
 
 /* Forward declaration */
@@ -62,9 +70,9 @@ class ClockVector;
  */
 class ModelAction {
 public:
-       ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value = VALUE_NONE);
+       ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value = VALUE_NONE, Thread *thread = NULL);
        ~ModelAction();
-       void print(bool print_cv = true) const;
+       void print() const;
 
        thread_id_t get_tid() const { return tid; }
        action_type get_type() const { return type; }
@@ -80,14 +88,19 @@ public:
        void copy_from_new(ModelAction *newaction);
        void set_seq_number(modelclock_t num);
        void set_try_lock(bool obtainedlock);
+       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_read() const;
        bool is_write() const;
+       bool could_be_write() const;
        bool is_rmwr() const;
        bool is_rmwc() const;
        bool is_rmw() const;
@@ -99,11 +112,11 @@ public:
        bool same_var(const ModelAction *act) const;
        bool same_thread(const ModelAction *act) const;
        bool is_conflicting_lock(const ModelAction *act) const;
-       bool is_synchronizing(const ModelAction *act) const;
+       bool could_synchronize_with(const ModelAction *act) const;
 
        void create_cv(const ModelAction *parent = NULL);
        ClockVector * get_cv() const { return cv; }
-       void read_from(const ModelAction *act);
+       bool read_from(const ModelAction *act);
        bool synchronize_with(const ModelAction *act);
 
        bool has_synchronized_with(const ModelAction *act) const;
@@ -119,6 +132,10 @@ public:
        void process_rmw(ModelAction * act);
        void copy_typeandorder(ModelAction * act);
 
+       void set_sleep_flag() { sleep_flag=true; }
+       bool get_sleep_flag() { return sleep_flag; }
+       unsigned int hash() const;
+
        MEMALLOC
 private:
 
@@ -149,8 +166,10 @@ private:
        /** The clock vector stored with this action; only needed if this
         * action is a store release? */
        ClockVector *cv;
+
+       bool sleep_flag;
 };
 
-typedef std::list<ModelAction *> action_list_t;
+typedef std::list< ModelAction *, SnapshotAlloc<ModelAction *> > action_list_t;
 
 #endif /* __ACTION_H__ */