#ifndef __ACTION_H__
#define __ACTION_H__
-#include <list>
#include <cstddef>
#include <inttypes.h>
class Thread;
class Promise;
+namespace std {
+ class mutex;
+}
+
using std::memory_order;
using std::memory_order_relaxed;
using std::memory_order_acquire;
* 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 */
-#define VALUE_TRYFAILED 0
-
/** @brief Represents an action type, identifying one of several types of
* ModelAction */
typedef enum action_type {
void * get_location() const { return location; }
modelclock_t get_seq_number() const { return seq_number; }
uint64_t get_value() const { return value; }
+ uint64_t get_reads_from_value() const;
+ uint64_t get_write_value() const;
+ uint64_t get_return_value() const;
const ModelAction * get_reads_from() const { return reads_from; }
- const Promise * get_reads_from_promise() const { return reads_from_promise; }
+ Promise * get_reads_from_promise() const { return reads_from_promise; }
+ std::mutex * get_mutex() const;
Node * get_node() const;
void set_node(Node *n) { node = n; }
void set_read_from(const ModelAction *act);
- void set_read_from_promise(const Promise *promise);
+ void set_read_from_promise(Promise *promise);
/** Store the most recent fence-release from the same thread
* @param fence The fence-release that occured prior to this */
void set_seq_number(modelclock_t num);
void set_try_lock(bool obtainedlock);
bool is_thread_start() const;
+ bool is_thread_join() const;
bool is_relseq_fixup() const;
bool is_mutex_op() const;
bool is_lock() const;
bool is_uninitialized() const;
bool is_read() const;
bool is_write() const;
+ bool is_yield() const;
bool could_be_write() const;
bool is_rmwr() const;
bool is_rmwc() const;
bool equals(const ModelAction *x) const { return this == x; }
bool equals(const Promise *x) const { return false; }
+
+ bool may_read_from(const ModelAction *write) const;
+ bool may_read_from(const Promise *promise) const;
MEMALLOC
private:
const ModelAction *reads_from;
/** The promise that this action reads from. Only valid for reads */
- const Promise *reads_from_promise;
+ Promise *reads_from_promise;
/** The last fence release from the same thread */
const ModelAction *last_fence_release;
bool sleep_flag;
};
-typedef std::list< ModelAction *, SnapshotAlloc<ModelAction *> > action_list_t;
-
#endif /* __ACTION_H__ */