#include <cstddef>
#include "threads.h"
-#include "libatomic.h"
#include "mymemory.h"
#include "clockvector.h"
+#include "memoryorder.h"
+
+using std::memory_order;
+using std::memory_order_relaxed;
+using std::memory_order_acquire;
+using std::memory_order_release;
+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. */
THREAD_JOIN, /**< A thread join action */
ATOMIC_READ, /**< An atomic read action */
ATOMIC_WRITE, /**< An atomic write action */
- ATOMIC_RMW, /**< An atomic read-modify-write action */
+ ATOMIC_RMWR, /**< The read part of an atomic RMW action */
+ ATOMIC_RMW, /**< The write part of an atomic RMW action */
+ ATOMIC_RMWC, /**< Convert an atomic RMW action into a READ */
ATOMIC_INIT /**< Initialization of an atomic object (e.g.,
* atomic_init()) */
} action_type_t;
bool is_read() const;
bool is_write() const;
+ bool is_rmwr() const;
+ bool is_rmwc() const;
bool is_rmw() const;
bool is_initialization() const;
bool is_acquire() const;
void create_cv(const ModelAction *parent = NULL);
ClockVector * get_cv() const { return cv; }
void read_from(const ModelAction *act);
+ void synchronized(const ModelAction *act);
+
bool happens_before(const ModelAction *act) const;
return get_seq_number() > act.get_seq_number();
}
+ void process_rmw(ModelAction * act);
+ void copy_typeandorder(ModelAction * act);
+
MEMALLOC
private:
/** The thread id that performed this action. */
thread_id_t tid;
- /** The value read or written (if RMW, then the value written). This
- * should probably be something longer. */
+ /** The value written (for write or RMW; undefined for read) */
uint64_t value;
/** The action that this action reads from. Only valid for reads */