* by an agent for handling some task.
*/
-/** \ingroup msg_gos_functions
+/* \ingroup msg_gos_functions
* \brief This function is now deprecated and useless. Please stop using it.
*/
MSG_error_t MSG_process_start(m_process_t process)
* \param channel the channel on which the agent should be
listening. This value has to be >=0 and < than the maximal
number of channels fixed with MSG_set_channel_number().
- * \param timeout the maximum time to wait for a task before giving
+ * \param max_duration the maximum time to wait for a task before giving
up. In such a case, \a task will not be modified and will still be
equal to \c NULL when returning.
* \return #MSG_FATAL if \a task is equal to \c NULL, #MSG_WARNING
h_simdata = h->simdata;
DEBUG2("Probing on channel %d (%s)", channel,h->name);
- while((item = xbt_fifo_getFirstItem(h->simdata->mbox[channel]))) {
+ while(!(item = xbt_fifo_getFirstItem(h->simdata->mbox[channel]))) {
if(max_duration>0) {
if(!first_time) {
MSG_RETURN(MSG_OK);
local_host = ((simdata_process_t) process->simdata)->host;
remote_host = dest;
- DEBUG4("Trying to send a task (%lg Mb) from %s to %s on channel %d",
+ DEBUG4("Trying to send a task (%g Mb) from %s to %s on channel %d",
task->simdata->message_size,local_host->name, remote_host->name, channel);
xbt_fifo_push(((simdata_host_t) remote_host->simdata)->
}
}
+m_task_t MSG_parallel_task_create(const char *name,
+ int host_nb,
+ const m_host_t *host_list,
+ double *computation_amount,
+ double *communication_amount,
+ void *data)
+{
+ simdata_task_t simdata = xbt_new0(s_simdata_task_t,1);
+ m_task_t task = xbt_new0(s_m_task_t,1);
+ int i;
+
+ /* Task structure */
+ task->name = xbt_strdup(name);
+ task->simdata = simdata;
+ task->data = data;
+
+ /* Simulator Data */
+ simdata->sleeping = xbt_dynar_new(sizeof(m_process_t),NULL);
+ simdata->rate = -1.0;
+ simdata->using = 1;
+ simdata->sender = NULL;
+ simdata->host_nb = host_nb;
+
+ simdata->host_list = xbt_new0(void *, host_nb);
+ simdata->comp_amount = computation_amount;
+ simdata->comm_amount = communication_amount;
+
+ for(i=0;i<host_nb;i++)
+ simdata->host_list[i] = host_list[i]->simdata->host;
+
+ return task;
+}
+
+
+static void __MSG_parallel_task_execute(m_process_t process, m_task_t task)
+{
+ simdata_task_t simdata = NULL;
+
+ CHECK_HOST();
+
+ simdata = task->simdata;
+
+ xbt_assert0(simdata->host_nb,"This is not a parallel task. Go to hell.");
+
+ simdata->compute = surf_workstation_resource->extension_public->
+ execute_parallel_task(task->simdata->host_nb,
+ task->simdata->host_list,
+ task->simdata->comp_amount,
+ task->simdata->comm_amount,
+ 1.0,
+ -1.0);
+ if(simdata->compute)
+ surf_workstation_resource->common_public->action_set_data(simdata->compute,task);
+}
+
+MSG_error_t MSG_parallel_task_execute(m_task_t task)
+{
+ m_process_t process = MSG_process_self();
+ MSG_error_t res;
+
+ DEBUG0("Computing on a tons of guys");
+
+ __MSG_parallel_task_execute(process, task);
+
+ if(simdata->compute)
+ res = __MSG_wait_for_computation(process,task);
+ else
+ res = MSG_OK;
+
+ return res;
+}
+
+
/** \ingroup msg_gos_functions
* \brief Sleep for the specified number of seconds
*
* \brief Return the number of MSG tasks currently running on a
* the host of the current running process.
*/
-int MSG_get_msgload(void)
+static int MSG_get_msgload(void)
{
m_process_t process;
CHECK_HOST();
+ xbt_assert0(0, "This function is still to be specified correctly (what do you mean by 'load', exactly?). In the meantime, please don't use it");
process = MSG_process_self();
return xbt_fifo_size(process->simdata->host->simdata->process_list);
}