Change the implementation of sleep and remove NOOP

[c11tester.git] / action.cc

diff --git a/action.cc b/action.cc
index 72cf97246765403360275604d1076501e4a94bf7..881072948096add52df9eb4d202ff4dc33614dd7 100644 (file)
--- a/action.cc
+++ b/action.cc
@@ -46,13 +46,41 @@ ModelAction::ModelAction(action_type_t type, memory_order order, void *loc,
        seq_number(ACTION_INITIAL_CLOCK)
 {
        /* References to NULL atomic variables can end up here */
-       ASSERT(loc || type == ATOMIC_FENCE || type == NOOP);
+       ASSERT(loc || type == ATOMIC_FENCE);
 
        Thread *t = thread ? thread : thread_current();
        this->tid = t!= NULL ? t->get_id() : -1;
 }
 
 
+/**
+ * @brief Construct a new ModelAction for sleep actions
+ *
+ * @param type The type of action: THREAD_SLEEP
+ * @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 The time duration a thread is scheduled to sleep.
+ * @param _time The this sleep action is constructed
+ */
+ModelAction::ModelAction(action_type_t type, memory_order order, uint64_t value, uint64_t _time) :
+       location(NULL),
+       position(NULL),
+       time(_time),
+       last_fence_release(NULL),
+       uninitaction(NULL),
+       cv(NULL),
+       rf_cv(NULL),
+       value(value),
+       type(type),
+       order(order),
+       original_order(order),
+       seq_number(ACTION_INITIAL_CLOCK)
+{
+       Thread *t = thread_current();
+       this->tid = t!= NULL ? t->get_id() : -1;
+}
+
 /**
  * @brief Construct a new ModelAction
  *
@@ -156,7 +184,6 @@ ModelAction::ModelAction(action_type_t type, const char * position, memory_order
 
        Thread *t = thread ? thread : thread_current();
        this->tid = t->get_id();
-       // model_print("position: %s\n", position);
 }
 
 
@@ -192,6 +219,11 @@ void ModelAction::set_seq_number(modelclock_t num)
        seq_number = num;
 }
 
+void ModelAction::reset_seq_number()
+{
+       seq_number = 0;
+}
+
 bool ModelAction::is_thread_start() const
 {
        return type == THREAD_START;
@@ -204,7 +236,7 @@ bool ModelAction::is_thread_join() const
 
 bool ModelAction::is_mutex_op() const
 {
-       return type == ATOMIC_LOCK || type == ATOMIC_TRYLOCK || type == ATOMIC_UNLOCK || type == ATOMIC_WAIT || type == ATOMIC_NOTIFY_ONE || type == ATOMIC_NOTIFY_ALL;
+       return type == ATOMIC_LOCK || type == ATOMIC_TRYLOCK || type == ATOMIC_UNLOCK || type == ATOMIC_WAIT || type == ATOMIC_TIMEDWAIT || type == ATOMIC_NOTIFY_ONE || type == ATOMIC_NOTIFY_ALL;
 }
 
 bool ModelAction::is_lock() const
@@ -212,8 +244,13 @@ bool ModelAction::is_lock() const
        return type == ATOMIC_LOCK;
 }
 
+bool ModelAction::is_sleep() const
+{
+       return type == THREAD_SLEEP;
+}
+
 bool ModelAction::is_wait() const {
-       return type == ATOMIC_WAIT;
+       return type == ATOMIC_WAIT || type == ATOMIC_TIMEDWAIT;
 }
 
 bool ModelAction::is_notify() const {
@@ -591,7 +628,6 @@ void ModelAction::set_read_from(ModelAction *act)
        ASSERT(act);
 
        reads_from = act;
-
        if (act->is_uninitialized()) {  // WL
                uint64_t val = *((uint64_t *) location);
                ModelAction * act_uninitialized = (ModelAction *)act;
@@ -645,6 +681,8 @@ const char * ModelAction::get_type_str() const
        case THREAD_YIELD: return "thread yield";
        case THREAD_JOIN: return "thread join";
        case THREAD_FINISH: return "thread finish";
+       case THREAD_SLEEP: return "thread sleep";
+       case THREADONLY_FINISH: return "pthread_exit finish";
 
        case PTHREAD_CREATE: return "pthread create";
        case PTHREAD_JOIN: return "pthread join";
@@ -663,6 +701,7 @@ const char * ModelAction::get_type_str() const
        case ATOMIC_UNLOCK: return "unlock";
        case ATOMIC_TRYLOCK: return "trylock";
        case ATOMIC_WAIT: return "wait";
+       case ATOMIC_TIMEDWAIT: return "timed wait";
        case ATOMIC_NOTIFY_ONE: return "notify one";
        case ATOMIC_NOTIFY_ALL: return "notify all";
        case ATOMIC_ANNOTATION: return "annotation";