* \return The new corresponding object.
*/
m_task_t MSG_task_create(const char *name, double compute_duration,
- double message_size, void *data)
+ double message_size, void *data)
{
m_task_t task = xbt_new(s_m_task_t, 1);
simdata_task_t simdata = xbt_new(s_simdata_task_t, 1);
simdata->message_size = message_size;
simdata->rate = -1.0;
simdata->priority = 1.0;
- simdata->using = 1;
+ simdata->refcount = 1;
simdata->sender = NULL;
simdata->receiver = NULL;
simdata->cond = SIMIX_cond_init();
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.
*
xbt_assert0((task != NULL), "Invalid parameter");
/* why? if somebody is using, then you can't free! ok... but will return MSG_OK? when this task will be destroyed? isn't the user code wrong? */
- task->simdata->using--;
- if (task->simdata->using > 0)
+ task->simdata->refcount--;
+ if (task->simdata->refcount > 0)
return MSG_OK;
if (task->name)
action = task->simdata->compute;
if (action)
SIMIX_action_destroy(action);
- action = task->simdata->comm;
- if (action)
- SIMIX_action_destroy(action);
+
/* parallel tasks only */
if (task->simdata->host_list)
xbt_free(task->simdata->host_list);
return MSG_OK;
}
if (task->simdata->comm) {
- SIMIX_action_cancel(task->simdata->comm);
+ SIMIX_communication_cancel(task->simdata->comm);
return MSG_OK;
}
-
- return MSG_FATAL;
+ THROW_IMPOSSIBLE;
}
/** \ingroup m_task_management
double MSG_task_get_compute_duration(m_task_t task)
{
xbt_assert0((task != NULL)
- && (task->simdata != NULL), "Invalid parameter");
+ && (task->simdata != NULL), "Invalid parameter");
return task->simdata->computation_amount;
}
double MSG_task_get_remaining_computation(m_task_t task)
{
xbt_assert0((task != NULL)
- && (task->simdata != NULL), "Invalid parameter");
+ && (task->simdata != NULL), "Invalid parameter");
if (task->simdata->compute) {
return SIMIX_action_get_remains(task->simdata->compute);
}
}
+
+
+/** \ingroup m_task_management
+ * \brief Returns the total amount received by a task #m_task_t.
+ *
+ */
+double MSG_task_get_remaining_communication(m_task_t task)
+{
+ xbt_assert0((task != NULL)
+ && (task->simdata != NULL), "Invalid parameter");
+
+ return SIMIX_communication_get_remains(task->simdata->comm);
+}
+
/** \ingroup m_task_management
* \brief Returns the size of the data attached to a task #m_task_t.
*
double MSG_task_get_data_size(m_task_t task)
{
xbt_assert0((task != NULL)
- && (task->simdata != NULL), "Invalid parameter");
+ && (task->simdata != NULL), "Invalid parameter");
return task->simdata->message_size;
}
void MSG_task_set_priority(m_task_t task, double priority)
{
xbt_assert0((task != NULL)
- && (task->simdata != NULL), "Invalid parameter");
+ && (task->simdata != NULL), "Invalid parameter");
task->simdata->priority = 1 / priority;
if (task->simdata->compute)
SIMIX_action_set_priority(task->simdata->compute,
- task->simdata->priority);
+ task->simdata->priority);
}