#define __PROMISE_H__
#include <inttypes.h>
+#include "threads-model.h"
-class ModelAction;
+#include "model.h"
class Promise {
public:
- Promise(ModelAction *act, uint64_t value) :
- value(value), read(act), numthreads(1)
- { }
+ Promise(ModelAction *act, uint64_t value, modelclock_t expiration) :
+ value(value), expiration(expiration), read(act), write(NULL)
+ {
+ increment_threads(act->get_tid());
+ }
+ modelclock_t get_expiration() const {return expiration;}
ModelAction * get_action() const { return read; }
- int increment_threads() { return ++numthreads; }
+ bool increment_threads(thread_id_t tid);
+
+ bool has_sync_thread(thread_id_t tid) {
+ unsigned int id=id_to_int(tid);
+ if (id>=synced_thread.size()) {
+ return false;
+ }
+ return synced_thread[id];
+ }
+
+ bool check_promise();
uint64_t get_value() const { return value; }
+ void set_write(const ModelAction *act) { write = act; }
+ const ModelAction * get_write() { return write; }
+ SNAPSHOTALLOC
private:
+ std::vector<bool> synced_thread;
const uint64_t value;
+ const modelclock_t expiration;
ModelAction * const read;
- unsigned int numthreads;
+ const ModelAction * write;
};
#endif