X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=promise.h;h=ce84ede68b0e58e4c76c280cb6632bc85d76cb02;hb=26d1dd1430da05b8da4b1250b299a620ecd52102;hp=83198b27758ffffa4f783986f2f1125e7c654c48;hpb=1bc8782b55cab0503f1b64529f993f0b9e3a1846;p=model-checker.git

diff --git a/promise.h b/promise.h
index 83198b2..ce84ede 100644
--- a/promise.h
+++ b/promise.h
@@ -8,24 +8,40 @@
 #define __PROMISE_H__
 
 #include <inttypes.h>
+#include "threads-model.h"
 
-class ModelAction;
+#include "model.h"
 
 class Promise {
  public:
  Promise(ModelAction *act, uint64_t value, modelclock_t expiration) :
-	value(value), expiration(expiration), read(act), numthreads(1)
-	{ }
+	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];
+	}
+
 	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