XBT_DEBUG("Parallel execution action created: %p", simdata->compute);
} else {
simdata->compute = simcall_host_execute(task->name,
- p_simdata->m_host->smx_host,
+ p_simdata->m_host,
simdata->computation_amount,
simdata->priority);
*/
msg_error_t MSG_process_sleep(double nb_sec)
{
+ xbt_ex_t e;
msg_error_t status = MSG_OK;
/*msg_process_t proc = MSG_process_self();*/
proc->simdata->waiting_action = NULL;*/
- simcall_process_sleep(nb_sec);
+ TRY {
+ simcall_process_sleep(nb_sec);
+ }
+ CATCH(e) {
+ switch (e.category) {
+ case cancel_error:
+ status = MSG_TASK_CANCELED;
+ break;
+ default:
+ RETHROW;
+ }
+ xbt_ex_free(e);
+ }
#ifdef HAVE_TRACING
TRACE_msg_process_sleep_out(MSG_process_self());
MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout,
msg_host_t host)
{
+ xbt_ex_t e;
+ msg_error_t ret;
XBT_DEBUG
("MSG_task_receive_ext: Trying to receive a message on mailbox '%s'",
alias);
- return MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task,
- host, timeout);
+ TRY {
+ ret = MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task,
+ host, timeout);
+ }
+ CATCH(e) {
+ switch (e.category) {
+ case cancel_error: /* may be thrown by MSG_mailbox_get_by_alias */
+ ret = MSG_HOST_FAILURE;
+ break;
+ default:
+ RETHROW;
+ }
+ xbt_ex_free(e);
+ }
+ return ret;
}
/** \ingroup msg_task_usage
return MSG_task_isend_with_matching(task,alias,NULL,NULL);
}
+/** \ingroup msg_task_usage
+ * \brief Sends a task on a mailbox with a maximum rate
+ *
+ * This is a non blocking function: use MSG_comm_wait() or MSG_comm_test()
+ * to end the communication. The maxrate parameter allows the application
+ * to limit the bandwidth utilization of network links when sending the task.
+ *
+ * \param task a #msg_task_t to send on another location.
+ * \param alias name of the mailbox to sent the task to
+ * \param maxrate the maximum communication rate for sending this task .
+ * \return the msg_comm_t communication created
+ */
+msg_comm_t MSG_task_isend_bounded(msg_task_t task, const char *alias, double maxrate)
+{
+ task->simdata->rate = maxrate;
+ return MSG_task_isend_with_matching(task,alias,NULL,NULL);
+}
+
+
/** \ingroup msg_task_usage
* \brief Sends a task on a mailbox, with support for matching requests
*
#endif
}
+
+/** \ingroup msg_task_usage
+ * \brief Sends a task on a mailbox with a maximal rate.
+ *
+ * This is a non blocking detached send function.
+ * Think of it as a best effort send. Keep in mind that the third parameter
+ * is only called if the communication fails. If the communication does work,
+ * it is responsibility of the receiver code to free anything related to
+ * the task, as usual. More details on this can be obtained on
+ * <a href="http://lists.gforge.inria.fr/pipermail/simgrid-user/2011-November/002649.html">this thread</a>
+ * in the SimGrid-user mailing list archive.
+ *
+ * \param task a #msg_task_t to send on another location.
+ * \param alias name of the mailbox to sent the task to
+ * \param cleanup a function to destroy the task if the
+ * communication fails, e.g. MSG_task_destroy
+ * (if NULL, no function will be called)
+ * \param maxrate the maximum communication rate for sending this task
+ *
+ */
+void MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate)
+{
+ task->simdata->rate = maxrate;
+
+ simdata_task_t t_simdata = NULL;
+ msg_process_t process = MSG_process_self();
+ msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
+
+ /* Prepare the task to send */
+ t_simdata = task->simdata;
+ t_simdata->sender = process;
+ t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
+
+ xbt_assert(t_simdata->isused == 0,
+ "This task is still being used somewhere else. You cannot send it now. Go fix your code!");
+
+ t_simdata->isused = 1;
+ t_simdata->comm = NULL;
+ msg_global->sent_msg++;
+
+#ifdef HAVE_TRACING
+ int call_end = TRACE_msg_task_put_start(task);
+#endif
+
+ /* Send it by calling SIMIX network layer */
+ smx_action_t comm = simcall_comm_isend(mailbox, t_simdata->message_size,
+ t_simdata->rate, task, sizeof(void *), NULL, cleanup, NULL, 1);
+ t_simdata->comm = comm;
+#ifdef HAVE_TRACING
+ if (TRACE_is_enabled()) {
+ simcall_set_category(comm, task->category);
+ }
+#endif
+
+#ifdef HAVE_TRACING
+ if (call_end)
+ TRACE_msg_task_put_end();
+#endif
+}
+
/** \ingroup msg_task_usage
* \brief Starts listening for receiving a task from an asynchronous communication.
*
task, timeout);
}
+/** \ingroup msg_task_usage
+ * \brief Sends a task to a mailbox with a timeout and with a maximum rate
+ *
+ * This is a blocking function, the execution flow will be blocked
+ * until the task is sent or the timeout is achieved.
+ *
+ * \param task the task to be sent
+ * \param alias the mailbox name to where the task is sent
+ * \param timeout is the maximum wait time for completion (if -1, this call is the same as #MSG_task_send)
+ * \param maxrate the maximum communication rate for sending this task
+ *
+ * \return Returns #MSG_OK if the task was successfully sent,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
+ */
+msg_error_t
+MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias,
+ double timeout, double maxrate)
+{
+ task->simdata->rate = maxrate;
+ return MSG_mailbox_put_with_timeout(MSG_mailbox_get_by_alias(alias),
+ task, timeout);
+}
+
/** \ingroup msg_task_usage
* \brief Check if there is a communication going on in a mailbox.
*
