promise: move thread_is_eliminated()

[model-checker.git] / promise.cc

diff --git a/promise.cc b/promise.cc
index 3b2aa960f967bb389d48b24fe61e0d4f62664471..7f6f5e7b1823bb5dd3285196ba57f4ee172b0f37 100644 (file)
--- a/promise.cc
+++ b/promise.cc
@@ -22,6 +22,20 @@ bool Promise::eliminate_thread(thread_id_t tid)
        return has_failed();
 }
 
+/**
+ * Check if a thread has already been eliminated from resolving this
+ * promise
+ * @param tid Thread ID of the thread to check
+ * @return True if the thread is already eliminated; false otherwise
+ */
+bool Promise::thread_is_eliminated(thread_id_t tid) const
+{
+       unsigned int id = id_to_int(tid);
+       if (id >= eliminated_thread.size())
+               return false;
+       return eliminated_thread[id];
+}
+
 /**
  * Check if this promise has failed. A promise can fail when all threads which
  * could possibly satisfy the promise have been eliminated.