XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_gos, msg,
- "Logging specific to MSG (gos)");
+ "Logging specific to MSG (gos)");
/** \ingroup msg_gos_functions
*
* \brief Return the last value returned by a MSG function (except
* MSG_get_errno...).
*/
-MSG_error_t
-MSG_get_errno(void)
+MSG_error_t MSG_get_errno(void)
{
- return PROCESS_GET_ERRNO();
+ return PROCESS_GET_ERRNO();
}
/** \ingroup msg_gos_functions
* \return #MSG_FATAL if \a task is not properly initialized and
* #MSG_OK otherwise.
*/
-MSG_error_t
-MSG_task_execute(m_task_t task)
+MSG_error_t MSG_task_execute(m_task_t task)
{
- simdata_task_t simdata = NULL;
- m_process_t self = MSG_process_self();
- CHECK_HOST();
-
- simdata = task->simdata;
- xbt_assert0((!simdata->compute) && (task->simdata->using == 1),"This task is executed somewhere else. Go fix your code!");
-
- DEBUG1("Computing on %s", MSG_process_self()->simdata->m_host->name);
-
- simdata->using++;
- SIMIX_mutex_lock(simdata->mutex);
- simdata->compute = SIMIX_action_execute(SIMIX_host_self(), task->name, simdata->computation_amount);
- SIMIX_action_set_priority(simdata->compute, simdata->priority);
-
- self->simdata->waiting_task = task;
- SIMIX_register_action_to_condition(simdata->compute, simdata->cond);
- SIMIX_cond_wait(simdata->cond, simdata->mutex);
- SIMIX_unregister_action_to_condition(simdata->compute, simdata->cond);
- self->simdata->waiting_task = NULL;
-
- SIMIX_mutex_unlock(simdata->mutex);
- simdata->using--;
-
- if (SIMIX_action_get_state(task->simdata->compute) == SURF_ACTION_DONE)
- {
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- SIMIX_action_destroy(task->simdata->compute);
- simdata->computation_amount = 0.0;
- simdata->comm = NULL;
- simdata->compute = NULL;
- MSG_RETURN(MSG_OK);
- }
- else if(SIMIX_host_get_state(SIMIX_host_self()) == 0)
- {
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- SIMIX_action_destroy(task->simdata->compute);
- simdata->comm = NULL;
- simdata->compute = NULL;
- MSG_RETURN(MSG_HOST_FAILURE);
- }
- else
- {
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- SIMIX_action_destroy(task->simdata->compute);
- simdata->comm = NULL;
- simdata->compute = NULL;
- MSG_RETURN(MSG_TASK_CANCELLED);
- }
+ simdata_task_t simdata = NULL;
+ m_process_t self = MSG_process_self();
+ e_surf_action_state_t state = SURF_ACTION_NOT_IN_THE_SYSTEM;
+ CHECK_HOST();
+#ifdef HAVE_TRACING
+ TRACE_msg_task_execute_start (task);
+#endif
+
+ simdata = task->simdata;
+
+ xbt_assert1((!simdata->compute) && (task->simdata->refcount == 1),
+ "This task is executed somewhere else. Go fix your code! %d", task->simdata->refcount);
+
+ DEBUG1("Computing on %s", MSG_process_self()->simdata->m_host->name);
+
+ simdata->refcount++;
+ SIMIX_mutex_lock(simdata->mutex);
+ simdata->compute =
+ SIMIX_action_execute(SIMIX_host_self(), task->name,
+ simdata->computation_amount);
+ SIMIX_action_set_priority(simdata->compute, simdata->priority);
+
+ /* changed to waiting action since we are always waiting one action (execute, communicate or sleep) */
+ self->simdata->waiting_action = simdata->compute;
+ SIMIX_register_action_to_condition(simdata->compute, simdata->cond);
+ do {
+ SIMIX_cond_wait(simdata->cond, simdata->mutex);
+ state = SIMIX_action_get_state(simdata->compute);
+ } while (state == SURF_ACTION_READY || state == SURF_ACTION_RUNNING);
+ SIMIX_unregister_action_to_condition(simdata->compute, simdata->cond);
+ self->simdata->waiting_action = NULL;
+
+ SIMIX_mutex_unlock(simdata->mutex);
+ simdata->refcount--;
+
+ if (SIMIX_action_get_state(task->simdata->compute) == SURF_ACTION_DONE) {
+ /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
+ SIMIX_action_destroy(task->simdata->compute);
+ simdata->computation_amount = 0.0;
+ simdata->comm = NULL;
+ simdata->compute = NULL;
+#ifdef HAVE_TRACING
+ TRACE_msg_task_execute_end (task);
+#endif
+ MSG_RETURN(MSG_OK);
+ } else if (SIMIX_host_get_state(SIMIX_host_self()) == 0) {
+ /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
+ SIMIX_action_destroy(task->simdata->compute);
+ simdata->comm = NULL;
+ simdata->compute = NULL;
+#ifdef HAVE_TRACING
+ TRACE_msg_task_execute_end (task);
+#endif
+ MSG_RETURN(MSG_HOST_FAILURE);
+ } else {
+ /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
+ SIMIX_action_destroy(task->simdata->compute);
+ simdata->comm = NULL;
+ simdata->compute = NULL;
+#ifdef HAVE_TRACING
+ TRACE_msg_task_execute_end (task);
+#endif
+ MSG_RETURN(MSG_TASK_CANCELLED);
+ }
}
/** \ingroup m_task_management
* \brief Creates a new #m_task_t (a parallel one....).
*
- * A constructor for #m_task_t taking six arguments and returning the
+ * A constructor for #m_task_t taking six arguments and returning the
corresponding object.
* \param name a name for the object. It is for user-level information
and can be NULL.
* \see m_task_t
* \return The new corresponding object.
*/
-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)
+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)
{
- int i;
- simdata_task_t simdata = xbt_new0(s_simdata_task_t, 1);
- m_task_t task = xbt_new0(s_m_task_t, 1);
- task->simdata = simdata;
-
- /* Task structure */
- task->name = xbt_strdup(name);
- task->data = data;
-
- /* Simulator Data */
- simdata->computation_amount = 0;
- simdata->message_size = 0;
- simdata->cond = SIMIX_cond_init();
- simdata->mutex = SIMIX_mutex_init();
- simdata->compute = NULL;
- simdata->comm = NULL;
- simdata->rate = -1.0;
- simdata->using = 1;
- simdata->sender = NULL;
- simdata->receiver = NULL;
- simdata->source = NULL;
-
- simdata->host_nb = host_nb;
- simdata->host_list = xbt_new0(smx_host_t, 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->smx_host;
-
- return task;
+ int i;
+ simdata_task_t simdata = xbt_new0(s_simdata_task_t, 1);
+ m_task_t task = xbt_new0(s_m_task_t, 1);
+ task->simdata = simdata;
+
+ /* Task structure */
+ task->name = xbt_strdup(name);
+ task->data = data;
+
+ /* Simulator Data */
+ simdata->computation_amount = 0;
+ simdata->message_size = 0;
+ simdata->cond = SIMIX_cond_init();
+ simdata->mutex = SIMIX_mutex_init();
+ simdata->compute = NULL;
+ simdata->comm = NULL;
+ simdata->rate = -1.0;
+ simdata->refcount = 1;
+ simdata->sender = NULL;
+ simdata->receiver = NULL;
+ simdata->source = NULL;
+
+ simdata->host_nb = host_nb;
+ simdata->host_list = xbt_new0(smx_host_t, 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->smx_host;
+
+ return task;
}
-MSG_error_t
-MSG_parallel_task_execute(m_task_t task)
+MSG_error_t MSG_parallel_task_execute(m_task_t task)
{
- simdata_task_t simdata = NULL;
- m_process_t self = MSG_process_self();
- CHECK_HOST();
-
- simdata = task->simdata;
-
- xbt_assert0((!simdata->compute) && (task->simdata->using == 1),"This task is executed somewhere else. Go fix your code!");
-
- xbt_assert0(simdata->host_nb,"This is not a parallel task. Go to hell.");
-
- DEBUG1("Computing on %s", MSG_process_self()->simdata->m_host->name);
-
- simdata->using++;
-
- SIMIX_mutex_lock(simdata->mutex);
- simdata->compute =
- SIMIX_action_parallel_execute(task->name, simdata->host_nb, simdata->host_list, simdata->comp_amount, simdata->comm_amount, 1.0, -1.0);
-
- self->simdata->waiting_task = task;
- SIMIX_register_action_to_condition(simdata->compute, simdata->cond);
- SIMIX_cond_wait(simdata->cond, simdata->mutex);
- SIMIX_unregister_action_to_condition(simdata->compute, simdata->cond);
- self->simdata->waiting_task = NULL;
-
-
- SIMIX_mutex_unlock(simdata->mutex);
- simdata->using--;
-
- if (SIMIX_action_get_state(task->simdata->compute) == SURF_ACTION_DONE)
- {
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- SIMIX_action_destroy(task->simdata->compute);
- simdata->computation_amount = 0.0;
- simdata->comm = NULL;
- simdata->compute = NULL;
- MSG_RETURN(MSG_OK);
- }
- else if(SIMIX_host_get_state(SIMIX_host_self()) == 0)
- {
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- SIMIX_action_destroy(task->simdata->compute);
- simdata->comm = NULL;
- simdata->compute = NULL;
- MSG_RETURN(MSG_HOST_FAILURE);
- }
- else
- {
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- SIMIX_action_destroy(task->simdata->compute);
- simdata->comm = NULL;
- simdata->compute = NULL;
- MSG_RETURN(MSG_TASK_CANCELLED);
- }
+ simdata_task_t simdata = NULL;
+ m_process_t self = MSG_process_self();
+ e_surf_action_state_t state = SURF_ACTION_NOT_IN_THE_SYSTEM;
+ CHECK_HOST();
+
+ simdata = task->simdata;
+
+ xbt_assert0((!simdata->compute)
+ && (task->simdata->refcount == 1),
+ "This task is executed somewhere else. Go fix your code!");
+
+ xbt_assert0(simdata->host_nb, "This is not a parallel task. Go to hell.");
+
+ DEBUG1("Computing on %s", MSG_process_self()->simdata->m_host->name);
+
+ simdata->refcount++;
+
+ SIMIX_mutex_lock(simdata->mutex);
+ simdata->compute =
+ SIMIX_action_parallel_execute(task->name, simdata->host_nb,
+ simdata->host_list, simdata->comp_amount,
+ simdata->comm_amount, 1.0, -1.0);
+
+ self->simdata->waiting_action = simdata->compute;
+ SIMIX_register_action_to_condition(simdata->compute, simdata->cond);
+ do {
+ SIMIX_cond_wait(simdata->cond, simdata->mutex);
+ state = SIMIX_action_get_state(task->simdata->compute);
+ } while (state == SURF_ACTION_READY || state == SURF_ACTION_RUNNING);
+
+ SIMIX_unregister_action_to_condition(simdata->compute, simdata->cond);
+ self->simdata->waiting_action = NULL;
+
+
+ SIMIX_mutex_unlock(simdata->mutex);
+ simdata->refcount--;
+
+ if (SIMIX_action_get_state(task->simdata->compute) == SURF_ACTION_DONE) {
+ /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
+ SIMIX_action_destroy(task->simdata->compute);
+ simdata->computation_amount = 0.0;
+ simdata->comm = NULL;
+ simdata->compute = NULL;
+ MSG_RETURN(MSG_OK);
+ } else if (SIMIX_host_get_state(SIMIX_host_self()) == 0) {
+ /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
+ SIMIX_action_destroy(task->simdata->compute);
+ simdata->comm = NULL;
+ simdata->compute = NULL;
+ MSG_RETURN(MSG_HOST_FAILURE);
+ } else {
+ /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
+ SIMIX_action_destroy(task->simdata->compute);
+ simdata->comm = NULL;
+ simdata->compute = NULL;
+ MSG_RETURN(MSG_TASK_CANCELLED);
+ }
}
*
* \param nb_sec a number of second
*/
-MSG_error_t
-MSG_process_sleep(double nb_sec)
+MSG_error_t MSG_process_sleep(double nb_sec)
{
- smx_action_t act_sleep;
- m_process_t proc = MSG_process_self();
- smx_mutex_t mutex;
- smx_cond_t cond;
-
- /* create action to sleep */
- act_sleep = SIMIX_action_sleep(SIMIX_process_get_host(proc->simdata->s_process), nb_sec);
-
- mutex = SIMIX_mutex_init();
- SIMIX_mutex_lock(mutex);
-
- /* create conditional and register action to it */
- cond = SIMIX_cond_init();
-
- SIMIX_register_action_to_condition(act_sleep, cond);
- SIMIX_cond_wait(cond, mutex);
- SIMIX_unregister_action_to_condition(act_sleep, cond);
- SIMIX_mutex_unlock(mutex);
-
- /* remove variables */
- SIMIX_cond_destroy(cond);
- SIMIX_mutex_destroy(mutex);
-
- if (SIMIX_action_get_state(act_sleep) == SURF_ACTION_DONE)
- {
- if (SIMIX_host_get_state(SIMIX_host_self()) == SURF_CPU_OFF)
- {
- SIMIX_action_destroy(act_sleep);
- MSG_RETURN(MSG_HOST_FAILURE);
- }
- }
- else
- {
- SIMIX_action_destroy(act_sleep);
- MSG_RETURN(MSG_HOST_FAILURE);
- }
-
- MSG_RETURN(MSG_OK);
+ smx_action_t act_sleep;
+ m_process_t proc = MSG_process_self();
+ e_surf_action_state_t state = SURF_ACTION_NOT_IN_THE_SYSTEM;
+ smx_mutex_t mutex;
+ smx_cond_t cond;
+
+#ifdef HAVE_TRACING
+ TRACE_msg_process_sleep_in (MSG_process_self());
+#endif
+
+ /* create action to sleep */
+ act_sleep =
+ SIMIX_action_sleep(SIMIX_process_get_host(proc->simdata->s_process),
+ nb_sec);
+
+ mutex = SIMIX_mutex_init();
+ SIMIX_mutex_lock(mutex);
+
+ /* create conditional and register action to it */
+ cond = SIMIX_cond_init();
+
+ proc->simdata->waiting_action = act_sleep;
+ SIMIX_register_action_to_condition(act_sleep, cond);
+ do {
+ SIMIX_cond_wait(cond, mutex);
+ state = SIMIX_action_get_state(act_sleep);
+ } while (state == SURF_ACTION_READY || state == SURF_ACTION_RUNNING);
+ proc->simdata->waiting_action = NULL;
+ SIMIX_unregister_action_to_condition(act_sleep, cond);
+ SIMIX_mutex_unlock(mutex);
+
+ /* remove variables */
+ SIMIX_cond_destroy(cond);
+ SIMIX_mutex_destroy(mutex);
+
+ if (SIMIX_action_get_state(act_sleep) == SURF_ACTION_DONE) {
+ if (SIMIX_host_get_state(SIMIX_host_self()) == SURF_RESOURCE_OFF) {
+ SIMIX_action_destroy(act_sleep);
+#ifdef HAVE_TRACING
+ TRACE_msg_process_sleep_out (MSG_process_self());
+#endif
+ MSG_RETURN(MSG_HOST_FAILURE);
+ }
+ } else {
+ SIMIX_action_destroy(act_sleep);
+#ifdef HAVE_TRACING
+ TRACE_msg_process_sleep_out (MSG_process_self());
+#endif
+ MSG_RETURN(MSG_HOST_FAILURE);
+ }
+
+ SIMIX_action_destroy(act_sleep);
+#ifdef HAVE_TRACING
+ TRACE_msg_process_sleep_out (MSG_process_self());
+#endif
+ MSG_RETURN(MSG_OK);
}
-/** \ingroup msg_gos_functions
- * \brief Return the number of MSG tasks currently running on
- * the host of the current running process.
- */
-static int
-MSG_get_msgload(void)
-{
- xbt_die("not implemented yet");
- return 0;
-}
-
-
-
/** \ingroup msg_gos_functions
* \brief Listen on \a channel and waits for receiving a task from \a host.
*
* \return #MSG_FATAL if \a task is equal to \c NULL, #MSG_WARNING
if \a *task is not equal to \c NULL, and #MSG_OK otherwise.
*/
-MSG_error_t
+MSG_error_t
MSG_task_get_from_host(m_task_t * task, m_channel_t channel, m_host_t host)
{
- return MSG_task_get_ext(task, channel, -1, host);
+ return MSG_task_get_ext(task, channel, -1, host);
}
/** \ingroup msg_gos_functions
* \return #MSG_FATAL if \a task is equal to \c NULL, #MSG_WARNING
* if \a *task is not equal to \c NULL, and #MSG_OK otherwise.
*/
-MSG_error_t
-MSG_task_get(m_task_t * task, m_channel_t channel)
+MSG_error_t MSG_task_get(m_task_t * task, m_channel_t channel)
{
- return MSG_task_get_with_timeout(task, channel, -1);
+ return MSG_task_get_with_timeout(task, channel, -1);
}
/** \ingroup msg_gos_functions
listening. This value has to be >=0 and < than the maximal
number of channels fixed with MSG_set_channel_number().
* \param max_duration the maximum time to wait for a task before giving
- up. In such a case, #MSG_TRANSFER_FAILURE will be returned, \a task
+ up. In such a case, #MSG_TRANSFER_FAILURE will be returned, \a task
will not be modified and will still be
- equal to \c NULL when returning.
+ equal to \c NULL when returning.
* \return #MSG_FATAL if \a task is equal to \c NULL, #MSG_WARNING
if \a *task is not equal to \c NULL, and #MSG_OK otherwise.
*/
-MSG_error_t
-MSG_task_get_with_timeout(m_task_t * task, m_channel_t channel, double max_duration)
+MSG_error_t
+MSG_task_get_with_timeout(m_task_t * task, m_channel_t channel,
+ double max_duration)
{
return MSG_task_get_ext(task, channel, max_duration, NULL);
}
* by an agent for handling some task.
*/
-MSG_error_t
-MSG_task_get_ext(m_task_t * task, m_channel_t channel, double timeout,m_host_t host)
+MSG_error_t
+MSG_task_get_ext(m_task_t * task, m_channel_t channel, double timeout,
+ m_host_t host)
{
- xbt_assert1((channel >= 0) && (channel < msg_global->max_channel), "Invalid channel %d",channel);
-
- return MSG_mailbox_get_task_ext(MSG_mailbox_get_by_channel(MSG_host_self(), channel), task, host, timeout);
+ xbt_assert1((channel >= 0)
+ && (channel < msg_global->max_channel), "Invalid channel %d",
+ channel);
+
+ return
+ MSG_mailbox_get_task_ext(MSG_mailbox_get_by_channel
+ (MSG_host_self(), channel), task, host, timeout);
}
-MSG_error_t
-MSG_task_receive_from_host(m_task_t * task, const char* alias, m_host_t host)
+MSG_error_t
+MSG_task_receive_from_host(m_task_t * task, const char *alias, m_host_t host)
{
- return MSG_task_receive_ext(task, alias, -1, host);
+ return MSG_task_receive_ext(task, alias, -1, host);
}
-MSG_error_t
-MSG_task_receive(m_task_t * task, const char* alias)
+MSG_error_t MSG_task_receive(m_task_t * task, const char *alias)
{
- return MSG_task_receive_with_timeout(task, alias, -1);
+ return MSG_task_receive_with_timeout(task, alias, -1);
}
-MSG_error_t
-MSG_task_receive_with_timeout(m_task_t * task, const char* alias, double timeout)
+MSG_error_t
+MSG_task_receive_with_timeout(m_task_t * task, const char *alias,
+ double timeout)
{
- return MSG_task_receive_ext(task, alias, timeout, NULL);
+ return MSG_task_receive_ext(task, alias, timeout, NULL);
}
-MSG_error_t
-MSG_task_receive_ext(m_task_t* task, const char* alias, double timeout, m_host_t host)
+MSG_error_t
+MSG_task_receive_ext(m_task_t * task, const char *alias, double timeout,
+ m_host_t host)
{
- return MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task, host, timeout);
+ return MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task, host,
+ timeout);
}
* #MSG_TRANSFER_FAILURE if the transfer could not be properly done
* (network failure, dest failure)
*/
-MSG_error_t
-MSG_task_put(m_task_t task, m_host_t dest, m_channel_t channel)
+MSG_error_t MSG_task_put(m_task_t task, m_host_t dest, m_channel_t channel)
{
- return MSG_task_put_with_timeout(task, dest, channel, -1.0);
+ return MSG_task_put_with_timeout(task, dest, channel, -1.0);
}
/** \ingroup msg_gos_functions
- * \brief Does exactly the same as MSG_task_put but with a bounded transmition
+ * \brief Does exactly the same as MSG_task_put but with a bounded transmition
* rate.
*
* \sa MSG_task_put
*/
MSG_error_t
-MSG_task_put_bounded(m_task_t task, m_host_t dest, m_channel_t channel, double maxrate)
+MSG_task_put_bounded(m_task_t task, m_host_t dest, m_channel_t channel,
+ double maxrate)
{
- task->simdata->rate = maxrate;
- return MSG_task_put(task, dest, channel);
+ task->simdata->rate = maxrate;
+ return MSG_task_put(task, dest, channel);
}
/** \ingroup msg_gos_functions \brief Put a task on a channel of an
task. 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
- up. In such a case, #MSG_TRANSFER_FAILURE will be returned, \a task
- will not be modified
+ up. In such a case, #MSG_TRANSFER_FAILURE will be returned, \a task
+ will not be modified
* \return #MSG_FATAL if \a task is not properly initialized and
#MSG_OK otherwise. Returns #MSG_HOST_FAILURE if the host on which
this function was called was shut down. Returns
#MSG_TRANSFER_FAILURE if the transfer could not be properly done
(network failure, dest failure, timeout...)
*/
-MSG_error_t
-MSG_task_put_with_timeout(m_task_t task, m_host_t dest, m_channel_t channel, double timeout)
+MSG_error_t
+MSG_task_put_with_timeout(m_task_t task, m_host_t dest, m_channel_t channel,
+ double timeout)
{
- xbt_assert1((channel >= 0) && (channel < msg_global->max_channel), "Invalid channel %d", channel);
-
- return MSG_mailbox_put_with_timeout(MSG_mailbox_get_by_channel(dest, channel), task, timeout);
+ xbt_assert1((channel >= 0)
+ && (channel < msg_global->max_channel), "Invalid channel %d",
+ channel);
+
+ return
+ MSG_mailbox_put_with_timeout(MSG_mailbox_get_by_channel(dest, channel),
+ task, timeout);
}
-MSG_error_t
-MSG_task_send(m_task_t task,const char* alias)
+MSG_error_t MSG_task_send(m_task_t task, const char *alias)
{
- return MSG_task_send_with_timeout(task, alias, -1);
+ return MSG_task_send_with_timeout(task, alias, -1);
}
-MSG_error_t
-MSG_task_send_bounded(m_task_t task, const char* alias, double maxrate)
+MSG_error_t
+MSG_task_send_bounded(m_task_t task, const char *alias, double maxrate)
{
- task->simdata->rate = maxrate;
- return MSG_task_send(task, alias);
+ task->simdata->rate = maxrate;
+ return MSG_task_send(task, alias);
}
-
-MSG_error_t
-MSG_task_send_with_timeout(m_task_t task, const char* alias, double timeout)
+
+MSG_error_t
+MSG_task_send_with_timeout(m_task_t task, const char *alias, double timeout)
{
- return MSG_mailbox_put_with_timeout(MSG_mailbox_get_by_alias(alias), task, timeout);
+ return MSG_mailbox_put_with_timeout(MSG_mailbox_get_by_alias(alias), task,
+ timeout);
}
-int
-MSG_task_listen(const char* alias)
+int MSG_task_listen(const char *alias)
{
- CHECK_HOST();
-
- return !MSG_mailbox_is_empty(MSG_mailbox_get_by_alias(alias));
+ CHECK_HOST();
+
+ return !MSG_mailbox_is_empty(MSG_mailbox_get_by_alias(alias));
}
/** \ingroup msg_gos_functions
number of channels fixed with MSG_set_channel_number().
* \return 1 if there is a pending communication and 0 otherwise
*/
-int
-MSG_task_Iprobe(m_channel_t channel)
+int MSG_task_Iprobe(m_channel_t channel)
{
- xbt_assert1((channel >= 0) && (channel < msg_global->max_channel), "Invalid channel %d", channel);
-
+ xbt_assert1((channel >= 0)
+ && (channel < msg_global->max_channel), "Invalid channel %d",
+ channel);
+
CHECK_HOST();
-
- return !MSG_mailbox_is_empty(MSG_mailbox_get_by_channel(MSG_host_self(), channel));
+
+ return
+ !MSG_mailbox_is_empty(MSG_mailbox_get_by_channel
+ (MSG_host_self(), channel));
}
/** \ingroup msg_gos_functions
* \return the number of tasks waiting to be received on \a channel
and sent by \a host.
*/
-int
-MSG_task_probe_from_host(int channel, m_host_t host)
+int MSG_task_probe_from_host(int channel, m_host_t host)
{
- xbt_assert1((channel >= 0) && (channel < msg_global->max_channel), "Invalid channel %d", channel);
-
- CHECK_HOST();
-
- return MSG_mailbox_get_count_host_waiting_tasks(MSG_mailbox_get_by_channel(MSG_host_self(), channel),host);
-
+ xbt_assert1((channel >= 0)
+ && (channel < msg_global->max_channel), "Invalid channel %d",
+ channel);
+
+ CHECK_HOST();
+
+ return
+ MSG_mailbox_get_count_host_waiting_tasks(MSG_mailbox_get_by_channel
+ (MSG_host_self(), channel),
+ host);
+
}
-int
-MSG_task_listen_from_host(const char* alias, m_host_t host)
+int MSG_task_listen_from_host(const char *alias, m_host_t host)
{
- CHECK_HOST();
-
- return MSG_mailbox_get_count_host_waiting_tasks(MSG_mailbox_get_by_alias(alias),host);
+ CHECK_HOST();
+
+ return
+ MSG_mailbox_get_count_host_waiting_tasks(MSG_mailbox_get_by_alias(alias),
+ host);
}
/** \ingroup msg_gos_functions
number of channels fixed with MSG_set_channel_number().
* \return -1 if there is no pending communication and the PID of the process who sent it otherwise
*/
-int
-MSG_task_probe_from(m_channel_t channel)
+int MSG_task_probe_from(m_channel_t channel)
{
- m_task_t task;
+ m_task_t task;
+
+ CHECK_HOST();
- CHECK_HOST();
-
- xbt_assert1((channel >= 0) && (channel < msg_global->max_channel), "Invalid channel %d", channel);
+ xbt_assert1((channel >= 0)
+ && (channel < msg_global->max_channel), "Invalid channel %d",
+ channel);
- if(NULL == (task = MSG_mailbox_get_head(MSG_mailbox_get_by_channel(MSG_host_self(), channel))))
- return -1;
+ if (NULL ==
+ (task =
+ MSG_mailbox_get_head(MSG_mailbox_get_by_channel
+ (MSG_host_self(), channel))))
+ return -1;
- return MSG_process_get_PID(task->simdata->sender);
+ return MSG_process_get_PID(task->simdata->sender);
}
-int
-MSG_task_listen_from(const char* alias)
+int MSG_task_listen_from(const char *alias)
{
- m_task_t task;
+ m_task_t task;
- CHECK_HOST();
+ CHECK_HOST();
- if(NULL == (task = MSG_mailbox_get_head(MSG_mailbox_get_by_alias(alias))))
- return -1;
+ if (NULL == (task = MSG_mailbox_get_head(MSG_mailbox_get_by_alias(alias))))
+ return -1;
- return MSG_process_get_PID(task->simdata->sender);
+ return MSG_process_get_PID(task->simdata->sender);
}
/** \ingroup msg_gos_functions
* \brief Wait for at most \a max_duration second for a task reception
- on \a channel.
-
+ on \a channel.
+
* \a PID is updated with the PID of the first process that triggered this event if any.
*
* It takes three parameters:
* \return #MSG_HOST_FAILURE if the host is shut down in the meantime
and #MSG_OK otherwise.
*/
-MSG_error_t
-MSG_channel_select_from(m_channel_t channel,double timeout, int *PID)
+MSG_error_t
+MSG_channel_select_from(m_channel_t channel, double timeout, int *PID)
{
- m_host_t h = NULL;
- simdata_host_t h_simdata = NULL;
- m_task_t t;
- int first_time = 1;
- smx_cond_t cond;
- msg_mailbox_t mailbox;
-
- xbt_assert1((channel >= 0) && (channel < msg_global->max_channel), "Invalid channel %d",channel);
-
- if(PID)
- {
- *PID = -1;
- }
-
- if (timeout == 0.0)
- {
- *PID = MSG_task_probe_from(channel);
- MSG_RETURN(MSG_OK);
- }
- else
- {
- CHECK_HOST();
- h = MSG_host_self();
- h_simdata = h->simdata;
-
- mailbox = MSG_mailbox_get_by_channel(MSG_host_self(), channel);
-
- while(MSG_mailbox_is_empty(mailbox))
- {
- if(timeout > 0)
- {
- if (!first_time)
- {
- MSG_RETURN(MSG_OK);
- }
- }
-
- SIMIX_mutex_lock(h_simdata->mutex);
-
- xbt_assert1(!MSG_mailbox_get_cond(mailbox),"A process is already blocked on this channel %d",channel);
-
- cond = SIMIX_cond_init();
-
- MSG_mailbox_set_cond(mailbox, cond);
-
- if (timeout > 0)
- {
- SIMIX_cond_wait_timeout(cond, h_simdata->mutex, timeout);
- }
- else
- {
- SIMIX_cond_wait(cond, h_simdata->mutex);
- }
-
- SIMIX_cond_destroy(cond);
- SIMIX_mutex_unlock(h_simdata->mutex);
-
- if (SIMIX_host_get_state(h_simdata->smx_host) == 0)
- {
- MSG_RETURN(MSG_HOST_FAILURE);
- }
-
- MSG_mailbox_set_cond(mailbox,NULL);
- first_time = 0;
- }
-
- if(NULL == (t = MSG_mailbox_get_head(mailbox)))
- MSG_RETURN(MSG_OK);
-
-
- if (PID)
- {
- *PID = MSG_process_get_PID(t->simdata->sender);
- }
-
- MSG_RETURN(MSG_OK);
- }
+ m_host_t h = NULL;
+ simdata_host_t h_simdata = NULL;
+ m_task_t t;
+ int first_time = 1;
+ smx_cond_t cond;
+ msg_mailbox_t mailbox;
+
+ xbt_assert1((channel >= 0)
+ && (channel < msg_global->max_channel), "Invalid channel %d",
+ channel);
+
+ if (PID) {
+ *PID = -1;
+ }
+
+ if (timeout == 0.0) {
+ *PID = MSG_task_probe_from(channel);
+ MSG_RETURN(MSG_OK);
+ } else {
+ CHECK_HOST();
+ h = MSG_host_self();
+ h_simdata = h->simdata;
+
+ mailbox = MSG_mailbox_get_by_channel(MSG_host_self(), channel);
+
+ while (MSG_mailbox_is_empty(mailbox)) {
+ if (timeout > 0) {
+ if (!first_time) {
+ MSG_RETURN(MSG_OK);
+ }
+ }
+
+ SIMIX_mutex_lock(h_simdata->mutex);
+
+ xbt_assert1(!MSG_mailbox_get_cond(mailbox),
+ "A process is already blocked on this channel %d", channel);
+
+ cond = SIMIX_cond_init();
+
+ MSG_mailbox_set_cond(mailbox, cond);
+
+ if (timeout > 0) {
+ SIMIX_cond_wait_timeout(cond, h_simdata->mutex, timeout);
+ } else {
+ SIMIX_cond_wait(cond, h_simdata->mutex);
+ }
+
+ SIMIX_cond_destroy(cond);
+ SIMIX_mutex_unlock(h_simdata->mutex);
+
+ if (SIMIX_host_get_state(h_simdata->smx_host) == 0) {
+ MSG_RETURN(MSG_HOST_FAILURE);
+ }
+
+ MSG_mailbox_set_cond(mailbox, NULL);
+ first_time = 0;
+ }
+
+ if (NULL == (t = MSG_mailbox_get_head(mailbox)))
+ MSG_RETURN(MSG_OK);
+
+
+ if (PID) {
+ *PID = MSG_process_get_PID(t->simdata->sender);
+ }
+
+ MSG_RETURN(MSG_OK);
+ }
}
-MSG_error_t
-MSG_alias_select_from(const char* alias, double timeout, int* PID)
+MSG_error_t MSG_alias_select_from(const char *alias, double timeout, int *PID)
{
- m_host_t h = NULL;
- simdata_host_t h_simdata = NULL;
- m_task_t t;
- int first_time = 1;
- smx_cond_t cond;
- msg_mailbox_t mailbox;
-
- if (PID)
- {
- *PID = -1;
- }
-
- if(timeout == 0.0)
- {
- *PID = MSG_task_listen_from(alias);
- MSG_RETURN(MSG_OK);
- }
- else
- {
- CHECK_HOST();
- h = MSG_host_self();
- h_simdata = h->simdata;
-
- DEBUG2("Probing on alias %s (%s)", alias, h->name);
-
- mailbox = MSG_mailbox_get_by_alias(alias);
-
- while(MSG_mailbox_is_empty(mailbox))
- {
- if(timeout > 0)
- {
- if (!first_time)
- {
- MSG_RETURN(MSG_OK);
- }
- }
-
- SIMIX_mutex_lock(h_simdata->mutex);
-
- xbt_assert1(!MSG_mailbox_get_cond(mailbox),"A process is already blocked on this alias %s",alias);
-
- cond = SIMIX_cond_init();
-
- MSG_mailbox_set_cond(mailbox, cond);
-
- if (timeout > 0)
- {
- SIMIX_cond_wait_timeout(cond, h_simdata->mutex, timeout);
- }
- else
- {
- SIMIX_cond_wait(cond, h_simdata->mutex);
- }
-
- SIMIX_cond_destroy(cond);
- SIMIX_mutex_unlock(h_simdata->mutex);
-
- if (SIMIX_host_get_state(h_simdata->smx_host) == 0)
- {
- MSG_RETURN(MSG_HOST_FAILURE);
- }
-
- MSG_mailbox_set_cond(mailbox,NULL);
- first_time = 0;
- }
-
- if(NULL == (t = MSG_mailbox_get_head(mailbox)))
- MSG_RETURN(MSG_OK);
-
-
- if (PID)
- {
- *PID = MSG_process_get_PID(t->simdata->sender);
- }
-
- MSG_RETURN(MSG_OK);
- }
-}
+ m_host_t h = NULL;
+ simdata_host_t h_simdata = NULL;
+ m_task_t t;
+ int first_time = 1;
+ smx_cond_t cond;
+ msg_mailbox_t mailbox;
+
+ if (PID) {
+ *PID = -1;
+ }
+
+ if (timeout == 0.0) {
+ *PID = MSG_task_listen_from(alias);
+ MSG_RETURN(MSG_OK);
+ } else {
+ CHECK_HOST();
+ h = MSG_host_self();
+ h_simdata = h->simdata;
+
+ DEBUG2("Probing on alias %s (%s)", alias, h->name);
+
+ mailbox = MSG_mailbox_get_by_alias(alias);
+
+ while (MSG_mailbox_is_empty(mailbox)) {
+ if (timeout > 0) {
+ if (!first_time) {
+ MSG_RETURN(MSG_OK);
+ }
+ }
+
+ SIMIX_mutex_lock(h_simdata->mutex);
+ xbt_assert1(!MSG_mailbox_get_cond(mailbox),
+ "A process is already blocked on this alias %s", alias);
+ cond = SIMIX_cond_init();
+ MSG_mailbox_set_cond(mailbox, cond);
-
+ if (timeout > 0) {
+ SIMIX_cond_wait_timeout(cond, h_simdata->mutex, timeout);
+ } else {
+ SIMIX_cond_wait(cond, h_simdata->mutex);
+ }
+
+ SIMIX_cond_destroy(cond);
+ SIMIX_mutex_unlock(h_simdata->mutex);
+
+ if (SIMIX_host_get_state(h_simdata->smx_host) == 0) {
+ MSG_RETURN(MSG_HOST_FAILURE);
+ }
+
+ MSG_mailbox_set_cond(mailbox, NULL);
+ first_time = 0;
+ }
+
+ if (NULL == (t = MSG_mailbox_get_head(mailbox)))
+ MSG_RETURN(MSG_OK);
+
+
+ if (PID) {
+ *PID = MSG_process_get_PID(t->simdata->sender);
+ }
+
+ MSG_RETURN(MSG_OK);
+ }
+}