-
-/** \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;
-
- TRACE_msg_task_get_start();
- double start_time = MSG_get_clock();
-
- /* 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(MSG_process_self(), mailbox, task, NULL, NULL, NULL, NULL, timeout, rate);
- XBT_DEBUG("Got task %s from %p",(*task)->name,mailbox);
- if (msg_global->debug_multiple_use && (*task)->simdata->isused!=0)
- xbt_ex_free(*(xbt_ex_t*)(*task)->simdata->isused);
- (*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;
- case timeout_error:
- ret = MSG_TIMEOUT;
- break;
- case host_error:
- ret = MSG_HOST_FAILURE;
- break;
- default:
- RETHROW;
- }
- xbt_ex_free(e);
- }
-
- if (ret != MSG_HOST_FAILURE &&
- ret != MSG_TRANSFER_FAILURE &&
- ret != MSG_TIMEOUT) {
- TRACE_msg_task_get_end(start_time, *task);
- }
- MSG_RETURN(ret);
-}
-
-msg_error_t
-MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
- double timeout)
-{
- msg_error_t ret = MSG_OK;
- simdata_task_t t_simdata = NULL;
- msg_process_t process = MSG_process_self();
- simdata_process_t p_simdata = (simdata_process_t) SIMIX_process_self_get_data(process);
-
- int call_end = TRACE_msg_task_put_start(task); //must be after CHECK_HOST()
-
- /* 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;
-
- if (t_simdata->isused != 0) {
- if (msg_global->debug_multiple_use){
- XBT_ERROR("This task is already used in there:");
- xbt_backtrace_display((xbt_ex_t*) t_simdata->isused);
- XBT_ERROR("And you try to reuse it from here:");
- xbt_backtrace_display_current();
- } else {
- xbt_assert(t_simdata->isused == 0,
- "This task is still being used somewhere else. You cannot send it now. Go fix your code! (use --cfg=msg/debug_multiple_use:on to get the backtrace of the other process)");
- }
- }
-
- if (msg_global->debug_multiple_use)
- MSG_BT(t_simdata->isused, "Using Backtrace");
- else
- t_simdata->isused = (void*)1;
- t_simdata->comm = NULL;
- msg_global->sent_msg++;
-
-
- p_simdata->waiting_task = task;
-
- xbt_ex_t e;
- /* Try to send it by calling SIMIX network layer */
- TRY {
- smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simix call */
- comm = simcall_comm_isend(SIMIX_process_self(), mailbox,t_simdata->bytes_amount,
- t_simdata->rate, task, sizeof(void *),
- NULL, NULL, NULL, task, 0);
- if (TRACE_is_enabled())
- simcall_set_category(comm, task->category);
- t_simdata->comm = comm;
- simcall_comm_wait(comm, timeout);
- }
-
- 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);
-
- /* If the send failed, it is not used anymore */
- if (msg_global->debug_multiple_use && t_simdata->isused!=0)
- xbt_ex_free(*(xbt_ex_t*)t_simdata->isused);
- t_simdata->isused = 0;
- }
-
-
- p_simdata->waiting_task = NULL;
- if (call_end)
- TRACE_msg_task_put_end();
- MSG_RETURN(ret);
-}
-