Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Kill the braindead MSG_task_refcount_dec() function.
[simgrid.git] / src / msg / task.c
index 05a1a3e..88c743d 100644 (file)
@@ -1,8 +1,5 @@
-/*     $Id$      */
-
-/* Copyright (c) 2002-2007 Arnaud Legrand.                                  */
-/* Copyright (c) 2007 Bruno Donassolo.                                      */
-/* All rights reserved.                                                     */
+/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
  *  <em>message size</em> and some <em>private data</em>.
  */
 
+#ifdef HAVE_RUBY                /* FIXME: KILLME */
+XBT_LOG_EXTERNAL_CATEGORY(ruby);
+#endif
+
+
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_task, msg,
+                                "Logging specific to MSG (task)");
+
 /********************************* Task **************************************/
 /** \ingroup m_task_management
  * \brief Creates a new #m_task_t.
@@ -57,6 +63,7 @@ m_task_t MSG_task_create(const char *name, double compute_duration,
   task->data = data;
 
   /* Simulator Data */
+  simdata->host_nb = 0;
   simdata->computation_amount = compute_duration;
   simdata->message_size = message_size;
   simdata->rate = -1.0;
@@ -64,8 +71,6 @@ m_task_t MSG_task_create(const char *name, double compute_duration,
   simdata->refcount = 1;
   simdata->sender = NULL;
   simdata->receiver = NULL;
-  simdata->cond = SIMIX_cond_init();
-  simdata->mutex = SIMIX_mutex_init();
   simdata->compute = NULL;
   simdata->comm = NULL;
 
@@ -73,17 +78,12 @@ m_task_t MSG_task_create(const char *name, double compute_duration,
   simdata->comp_amount = NULL;
   simdata->comm_amount = NULL;
 #ifdef HAVE_TRACING
-  TRACE_msg_task_create (task);
+  TRACE_msg_task_create(task);
 #endif
 
   return task;
 }
 
-/** prevent the task from being destroyed too quickly (but also prevent it from being sent). Mainly useful in bindings */
-void MSG_task_ref(m_task_t t) {
-  t->simdata->refcount++;
-}
-
 /** \ingroup m_task_management
  * \brief Return the user data of a #m_task_t.
  *
@@ -103,7 +103,7 @@ void *MSG_task_get_data(m_task_t task)
  * This function allows to associate a new pointer to
    the user data associated of \a task.
  */
-void MSG_task_set_data(m_task_t task,void *data)
+void MSG_task_set_data(m_task_t task, void *data)
 {
   xbt_assert0((task != NULL), "Invalid parameter");
 
@@ -143,6 +143,16 @@ const char *MSG_task_get_name(m_task_t task)
   return task->name;
 }
 
+/** \ingroup m_task_management
+ * \brief Return the name of a #m_task_t.
+ *
+ * This functions allows to associate a name to a task
+ */
+void MSG_task_set_name(m_task_t task, const char *name)
+{
+  xbt_assert0(task, "Invalid parameters");
+  task->name = xbt_strdup(name);
+}
 
 /** \ingroup m_task_management
  * \brief Destroy a #m_task_t.
@@ -160,19 +170,16 @@ MSG_error_t MSG_task_destroy(m_task_t task)
   if (task->simdata->refcount > 0)
     return MSG_OK;
 #ifdef HAVE_TRACING
-  TRACE_msg_task_destroy (task);
+  TRACE_msg_task_destroy(task);
 #endif
 
   if (task->name)
     free(task->name);
 
-  SIMIX_cond_destroy(task->simdata->cond);
-  SIMIX_mutex_destroy(task->simdata->mutex);
-
   action = task->simdata->compute;
   if (action)
-    SIMIX_action_destroy(action);
-  
+    SIMIX_req_host_execution_destroy(action);
+
   /* parallel tasks only */
   if (task->simdata->host_list)
     xbt_free(task->simdata->host_list);
@@ -195,11 +202,11 @@ MSG_error_t MSG_task_cancel(m_task_t task)
   xbt_assert0((task != NULL), "Invalid parameter");
 
   if (task->simdata->compute) {
-    SIMIX_action_cancel(task->simdata->compute);
+    SIMIX_req_host_execution_cancel(task->simdata->compute);
     return MSG_OK;
   }
   if (task->simdata->comm) {
-    SIMIX_communication_cancel(task->simdata->comm);
+    SIMIX_req_comm_cancel(task->simdata->comm);
     return MSG_OK;
   }
   THROW_IMPOSSIBLE;
@@ -217,6 +224,19 @@ double MSG_task_get_compute_duration(m_task_t task)
   return task->simdata->computation_amount;
 }
 
+
+/** \ingroup m_task_management
+ * \brief set the computation amount needed to process a task #m_task_t.
+ */
+
+void MSG_task_set_compute_duration(m_task_t task,
+                                   double computation_amount)
+{
+  xbt_assert0(task, "Invalid parameter");
+  task->simdata->computation_amount = computation_amount;
+
+}
+
 /** \ingroup m_task_management
  * \brief Returns the remaining computation amount of a task #m_task_t.
  *
@@ -227,25 +247,41 @@ double MSG_task_get_remaining_computation(m_task_t task)
               && (task->simdata != NULL), "Invalid parameter");
 
   if (task->simdata->compute) {
-    return SIMIX_action_get_remains(task->simdata->compute);
+    return SIMIX_req_host_execution_get_remains(task->simdata->compute);
   } else {
     return task->simdata->computation_amount;
   }
 }
 
-
-
 /** \ingroup m_task_management
  * \brief Returns the total amount received by a task #m_task_t.
- *
+ *        If the communication does not exist it will return 0.
+ *        So, if the communication has FINISHED or FAILED it returns
+ *        zero.
  */
 double MSG_task_get_remaining_communication(m_task_t task)
 {
   xbt_assert0((task != NULL)
               && (task->simdata != NULL), "Invalid parameter");
+  DEBUG1("calling SIMIX_req_communication_get_remains(%p)",
+         task->simdata->comm);
+  return SIMIX_req_comm_get_remains(task->simdata->comm);
+}
 
-  return SIMIX_communication_get_remains(task->simdata->comm);
+#ifdef HAVE_LATENCY_BOUND_TRACKING
+/** \ingroup m_task_management
+ * \brief Return 1 if communication task is limited by latency, 0 otherwise
+ *
+ */
+int MSG_task_is_latency_bounded(m_task_t task)
+{
+  xbt_assert0((task != NULL)
+              && (task->simdata != NULL), "Invalid parameter");
+  DEBUG1("calling SIMIX_req_communication_is_latency_bounded(%p)",
+         task->simdata->comm);
+  return SIMIX_req_comm_is_latency_bounded(task->simdata->comm);
 }
+#endif
 
 /** \ingroup m_task_management
  * \brief Returns the size of the data attached to a task #m_task_t.
@@ -274,21 +310,6 @@ void MSG_task_set_priority(m_task_t task, double priority)
 
   task->simdata->priority = 1 / priority;
   if (task->simdata->compute)
-    SIMIX_action_set_priority(task->simdata->compute,
-                              task->simdata->priority);
-}
-
-
-/** \ingroup m_task_management
- * \brief Sets the user data of a #m_task_t.
- *
- * This function allows to test if a task contains a not_null data
- * return 1 (if true)
- */
-int MSG_task_has_data(m_task_t task)
-{
-
- return (task->data != NULL);
-
+    SIMIX_req_host_execution_set_priority(task->simdata->compute,
+                                      task->simdata->priority);
 }
-