/* Mailboxes in MSG */
-/* Copyright (c) 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2008-2013. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
MSG_mailbox_get_count_host_waiting_tasks(msg_mailbox_t mailbox,
msg_host_t host)
{
- return simcall_rdv_comm_count_by_host(mailbox,
- host->smx_host);
+ return simcall_rdv_comm_count_by_host(mailbox, host);
}
msg_mailbox_t MSG_mailbox_get_by_alias(const char *alias)
return mailbox;
}
+/** \ingroup msg_mailbox_management
+ * \brief Set the mailbox to receive in asynchronous mode
+ *
+ * All messages sent to this mailbox will be transferred to
+ * the receiver without waiting for the receive call.
+ * The receive call will still be necessary to use the received data.
+ * If there is a need to receive some messages asynchronously, and some not,
+ * two different mailboxes should be used.
+ *
+ * \param alias The name of the mailbox
+ */
+void MSG_mailbox_set_async(const char *alias){
+ msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
+
+ simcall_rdv_set_receiver(mailbox, SIMIX_process_self());
+ XBT_VERB("%s mailbox set to receive eagerly for process %p\n",alias, SIMIX_process_self());
+
+}
+
+/** \ingroup msg_mailbox_management
+ * \brief Get a task from a mailbox on a given host
+ *
+ * \param mailbox The mailbox where the task was sent
+ * \param task a memory location for storing a #msg_task_t.
+ * \param host a #msg_host_t host from where the task was sent
+ * \param timeout a timeout
+
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
+ */
msg_error_t
MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
msg_host_t host, double timeout)
#ifdef HAVE_TRACING
TRACE_msg_task_get_start();
- volatile double start_time = MSG_get_clock();
+ double start_time = MSG_get_clock();
#endif
/* Sanity check */
}
CATCH(e) {
switch (e.category) {
+ case cancel_error:
+ ret = MSG_HOST_FAILURE;
+ break;
+ case network_error:
+ ret = MSG_TRANSFER_FAILURE;
+ break;
+ case timeout_error:
+ ret = MSG_TIMEOUT;
+ break;
+ default:
+ RETHROW;
+ }
+ xbt_ex_free(e);
+ }
+
+#ifdef HAVE_TRACING
+ if (ret != MSG_HOST_FAILURE &&
+ ret != MSG_TRANSFER_FAILURE &&
+ ret != MSG_TIMEOUT) {
+ TRACE_msg_task_get_end(start_time, *task);
+ }
+#endif
+ MSG_RETURN(ret);
+}
+
+/** \ingroup msg_mailbox_management
+ * \brief Get a task from a mailbox on a given host at a given rate
+ *
+ * \param mailbox The mailbox where the task was sent
+ * \param task a memory location for storing a #msg_task_t.
+ * \param host a #msg_host_t host from where the task was sent
+ * \param timeout a timeout
+ * \param rate a rate
+
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
+ */
+msg_error_t
+MSG_mailbox_get_task_ext_bounded(msg_mailbox_t mailbox, msg_task_t * task,
+ msg_host_t host, double timeout, double rate)
+{
+ xbt_ex_t e;
+ msg_error_t ret = MSG_OK;
+ /* We no longer support getting a task from a specific host */
+ if (host)
+ THROW_UNIMPLEMENTED;
+
+#ifdef HAVE_TRACING
+ TRACE_msg_task_get_start();
+ double start_time = MSG_get_clock();
+#endif
+
+ /* Sanity check */
+ xbt_assert(task, "Null pointer for the task storage");
+
+ if (*task)
+ XBT_WARN
+ ("Asked to write the received task in a non empty struct -- proceeding.");
+
+ /* Try to receive it by calling SIMIX network layer */
+ TRY {
+ simcall_comm_recv_bounded(mailbox, task, NULL, NULL, NULL, timeout, rate);
+ XBT_DEBUG("Got task %s from %p",(*task)->name,mailbox);
+ (*task)->simdata->isused=0;
+ }
+ CATCH(e) {
+ switch (e.category) {
+ case cancel_error:
+ ret = MSG_HOST_FAILURE;
+ break;
case network_error:
ret = MSG_TRANSFER_FAILURE;
break;
/* Try to send it by calling SIMIX network layer */
TRY {
- smx_action_t comm = simcall_comm_isend(mailbox, t_simdata->message_size,
+ smx_action_t comm = NULL;
+ comm = simcall_comm_isend(mailbox, t_simdata->message_size,
t_simdata->rate, task, sizeof(void *),
NULL, NULL, task, 0);
#ifdef HAVE_TRACING
CATCH(e) {
switch (e.category) {
+ case cancel_error:
+ ret = MSG_HOST_FAILURE;
+ break;
case network_error:
ret = MSG_TRANSFER_FAILURE;
break;
