X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=action.cc;h=a90878f73d9edc34148359f127df6886d4574cd8;hb=dcf7f575967bec560d500cc4f52e35c21671525c;hp=3d46bd91aa0de6a2dd1a5729a1867fd3737343b3;hpb=f47ffb576e8ff886cb4ee7a1feaf31b3137a975a;p=model-checker.git

diff --git a/action.cc b/action.cc
index 3d46bd9..a90878f 100644
--- a/action.cc
+++ b/action.cc
@@ -31,6 +31,7 @@ ModelAction::ModelAction(action_type_t type, memory_order order, void *loc,
 	location(loc),
 	value(value),
 	reads_from(NULL),
+	last_fence_release(NULL),
 	node(NULL),
 	seq_number(ACTION_INITIAL_CLOCK),
 	cv(NULL),
@@ -69,6 +70,11 @@ void ModelAction::set_seq_number(modelclock_t num)
 	seq_number = num;
 }
 
+bool ModelAction::is_thread_start() const
+{
+	return type == THREAD_START;
+}
+
 bool ModelAction::is_relseq_fixup() const
 {
 	return type == MODEL_FIXUP_RELSEQ;
@@ -336,24 +342,10 @@ void ModelAction::set_try_lock(bool obtainedlock) {
 /**
  * Update the model action's read_from action
  * @param act The action to read from; should be a write
- * @return True if this read established synchronization
  */
-bool ModelAction::read_from(const ModelAction *act)
+void ModelAction::set_read_from(const ModelAction *act)
 {
-	ASSERT(cv);
 	reads_from = act;
-	if (act != NULL && this->is_acquire()) {
-		rel_heads_list_t release_heads;
-		model->get_release_seq_heads(this, &release_heads);
-		int num_heads = release_heads.size();
-		for (unsigned int i = 0; i < release_heads.size(); i++)
-			if (!synchronize_with(release_heads[i])) {
-				model->set_bad_synchronization();
-				num_heads--;
-			}
-		return num_heads > 0;
-	}
-	return false;
 }
 
 /**