fix some of the bugs related to barrier example...
[model-checker.git] / action.cc
index 3aeb7377e2b328fad8b24748744274ab1386e25d..1a819eaf5584f1e97e88fca439104392c07b7f1b 100644 (file)
--- a/action.cc
+++ b/action.cc
@@ -7,7 +7,7 @@
 #include "action.h"
 #include "clockvector.h"
 #include "common.h"
-#include "threads.h"
+#include "threads-model.h"
 #include "nodestack.h"
 
 #define ACTION_INITIAL_CLOCK 0
@@ -111,6 +111,11 @@ bool ModelAction::is_write() const
        return type == ATOMIC_WRITE || type == ATOMIC_RMW || type == ATOMIC_INIT;
 }
 
+bool ModelAction::could_be_write() const
+{
+       return is_write() || is_rmwr();
+}
+
 bool ModelAction::is_rmwr() const
 {
        return type == ATOMIC_RMWR;
@@ -217,11 +222,11 @@ bool ModelAction::could_synchronize_with(const ModelAction *act) const
 
        // Explore interleavings of seqcst writes to guarantee total order
        // of seq_cst operations that don't commute
-       if ((is_write() || act->is_write()) && is_seqcst() && act->is_seqcst())
+       if ((could_be_write() || act->could_be_write()) && is_seqcst() && act->is_seqcst())
                return true;
 
        // Explore synchronizing read/write pairs
-       if (is_read() && is_acquire() && act->is_write() && act->is_release())
+       if (is_read() && is_acquire() && act->could_be_write() && act->is_release())
                return true;
 
        // Otherwise handle by reads_from relation