action: add Thread parameter to constructor

We will need to create ModelActions that are forced to associate with a
specific Thread (contrary to the Scheduler's knowledge), so add a
constructor parameter.

diff --git a/action.cc b/action.cc
index c12165b0322a2beb4ff9c25fd33be05f1f7630f2..09352da0b0f30f030c5fb423ddd5d60dfdb5dd0c 100644 (file)
--- a/action.cc
+++ b/action.cc
@@ -11,7 +11,20 @@
 
 #define ACTION_INITIAL_CLOCK 0
 
-ModelAction::ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value) :
+/**
+ * @brief Construct a new ModelAction
+ *
+ * @param type The type of action
+ * @param order The memory order of this action. A "don't care" for non-ATOMIC
+ * actions (e.g., THREAD_* or MODEL_* actions).
+ * @param loc The location that this action acts upon
+ * @param value (optional) A value associated with the action (e.g., the value
+ * read or written). Defaults to a given macro constant, for debugging purposes.
+ * @param thread (optional) The Thread in which this action occurred. If NULL
+ * (default), then a Thread is assigned according to the scheduler.
+ */
+ModelAction::ModelAction(action_type_t type, memory_order order, void *loc,
+               uint64_t value, Thread *thread) :
        type(type),
        order(order),
        location(loc),
@@ -20,7 +33,7 @@ ModelAction::ModelAction(action_type_t type, memory_order order, void *loc, uint
        seq_number(ACTION_INITIAL_CLOCK),
        cv(NULL)
 {
-       Thread *t = thread_current();
+       Thread *t = thread ? thread : thread_current();
        this->tid = t->get_id();
 }
 

diff --git a/action.h b/action.h
index dfe2102d47b4ced0879f25509fd7ef1f7c7850f5..65b060f6c1941b33720a3f9b572a9f2e7c0c8e31 100644 (file)
--- a/action.h
+++ b/action.h
@@ -14,6 +14,7 @@
 #include "modeltypes.h"
 
 class ClockVector;
+class Thread;
 
 using std::memory_order;
 using std::memory_order_relaxed;
@@ -66,7 +67,7 @@ class ClockVector;
  */
 class ModelAction {
 public:
-       ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value = VALUE_NONE);
+       ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value = VALUE_NONE, Thread *thread = NULL);
        ~ModelAction();
        void print() const;