XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_mailbox, msg,
"Logging specific to MSG (mailbox)");
-static xbt_dict_t
-msg_mailboxes = NULL;
+static xbt_dict_t msg_mailboxes = NULL;
-void
-MSG_mailbox_mod_init(void)
+void MSG_mailbox_mod_init(void)
{
- msg_mailboxes = xbt_dict_new();
+ msg_mailboxes = xbt_dict_new();
}
-void
-MSG_mailbox_mod_exit(void)
+void MSG_mailbox_mod_exit(void)
{
- xbt_dict_free(&msg_mailboxes);
+ xbt_dict_free(&msg_mailboxes);
}
-msg_mailbox_t
-MSG_mailbox_create(const char *alias)
+msg_mailbox_t MSG_mailbox_create(const char *alias)
{
- msg_mailbox_t mailbox = xbt_new0(s_msg_mailbox_t,1);
-
- mailbox->tasks = xbt_fifo_new();
- mailbox->cond = NULL;
- mailbox->alias = alias ? xbt_strdup(alias) : NULL;
- mailbox->hostname = NULL;
-
- return mailbox;
+ msg_mailbox_t mailbox = xbt_new0(s_msg_mailbox_t, 1);
+
+ mailbox->tasks = xbt_fifo_new();
+ mailbox->cond = NULL;
+ mailbox->alias = alias ? xbt_strdup(alias) : NULL;
+ mailbox->hostname = NULL;
+
+ return mailbox;
}
-msg_mailbox_t
-MSG_mailbox_new(const char *alias)
+msg_mailbox_t MSG_mailbox_new(const char *alias)
{
- msg_mailbox_t mailbox = MSG_mailbox_create(alias);
-
- /* add the mbox in the dictionary */
- xbt_dict_set(msg_mailboxes, alias, mailbox, MSG_mailbox_free);
-
- return mailbox;
+ msg_mailbox_t mailbox = MSG_mailbox_create(alias);
+
+ /* add the mbox in the dictionary */
+ xbt_dict_set(msg_mailboxes, alias, mailbox, MSG_mailbox_free);
+
+ return mailbox;
}
-void
-MSG_mailbox_free(void* mailbox)
+void MSG_mailbox_free(void *mailbox)
{
- msg_mailbox_t _mailbox = (msg_mailbox_t)mailbox;
+ msg_mailbox_t _mailbox = (msg_mailbox_t) mailbox;
+
+ if (NULL != (_mailbox->hostname))
+ free(_mailbox->hostname);
- if(NULL != (_mailbox->hostname))
- free(_mailbox->hostname);
+ xbt_fifo_free(_mailbox->tasks);
+ free(_mailbox->alias);
- xbt_fifo_free(_mailbox->tasks);
- free(_mailbox->alias);
-
- free(_mailbox);
+ free(_mailbox);
}
-void
-MSG_mailbox_put(msg_mailbox_t mailbox, m_task_t task)
+void MSG_mailbox_put(msg_mailbox_t mailbox, m_task_t task)
{
- xbt_fifo_push(mailbox->tasks, task);
+ xbt_fifo_push(mailbox->tasks, task);
}
-smx_cond_t
-MSG_mailbox_get_cond(msg_mailbox_t mailbox)
+smx_cond_t MSG_mailbox_get_cond(msg_mailbox_t mailbox)
{
- return mailbox->cond;
+ return mailbox->cond;
}
-void
-MSG_mailbox_remove(msg_mailbox_t mailbox, m_task_t task)
+void MSG_mailbox_remove(msg_mailbox_t mailbox, m_task_t task)
{
- xbt_fifo_remove(mailbox->tasks,task);
+ xbt_fifo_remove(mailbox->tasks, task);
}
-int
-MSG_mailbox_is_empty(msg_mailbox_t mailbox)
+int MSG_mailbox_is_empty(msg_mailbox_t mailbox)
{
- return (NULL == xbt_fifo_get_first_item(mailbox->tasks));
+ return (NULL == xbt_fifo_get_first_item(mailbox->tasks));
}
-m_task_t
-MSG_mailbox_pop_head(msg_mailbox_t mailbox)
+m_task_t MSG_mailbox_pop_head(msg_mailbox_t mailbox)
{
- return (m_task_t)xbt_fifo_shift(mailbox->tasks);
+ return (m_task_t) xbt_fifo_shift(mailbox->tasks);
}
-m_task_t
-MSG_mailbox_get_head(msg_mailbox_t mailbox)
+m_task_t MSG_mailbox_get_head(msg_mailbox_t mailbox)
{
- xbt_fifo_item_t item;
-
- if(NULL == (item = xbt_fifo_get_first_item(mailbox->tasks)))
- return NULL;
-
- return (m_task_t)xbt_fifo_get_item_content(item);
+ xbt_fifo_item_t item;
+
+ if (NULL == (item = xbt_fifo_get_first_item(mailbox->tasks)))
+ return NULL;
+
+ return (m_task_t) xbt_fifo_get_item_content(item);
}
m_task_t
MSG_mailbox_get_first_host_task(msg_mailbox_t mailbox, m_host_t host)
{
- m_task_t task = NULL;
- xbt_fifo_item_t item = NULL;
+ m_task_t task = NULL;
+ xbt_fifo_item_t item = NULL;
- xbt_fifo_foreach(mailbox->tasks, item, task, m_task_t)
- if (task->simdata->source == host) {
- xbt_fifo_remove_item(mailbox->tasks, item);
- return task;
- }
+ xbt_fifo_foreach(mailbox->tasks, item, task, m_task_t)
+ if (task->simdata->source == host) {
+ xbt_fifo_remove_item(mailbox->tasks, item);
+ return task;
+ }
- return NULL;
+ return NULL;
}
int
-MSG_mailbox_get_count_host_waiting_tasks(msg_mailbox_t mailbox, m_host_t host)
+MSG_mailbox_get_count_host_waiting_tasks(msg_mailbox_t mailbox,
+ m_host_t host)
{
- m_task_t task = NULL;
- xbt_fifo_item_t item = NULL;
- int count = 0;
-
- xbt_fifo_foreach(mailbox->tasks, item, task, m_task_t)
- {
- if (task->simdata->source == host)
- count++;
- }
-
- return count;
+ m_task_t task = NULL;
+ xbt_fifo_item_t item = NULL;
+ int count = 0;
+
+ xbt_fifo_foreach(mailbox->tasks, item, task, m_task_t) {
+ if (task->simdata->source == host)
+ count++;
+ }
+
+ return count;
}
-void
-MSG_mailbox_set_cond(msg_mailbox_t mailbox, smx_cond_t cond)
+void MSG_mailbox_set_cond(msg_mailbox_t mailbox, smx_cond_t cond)
{
- mailbox->cond = cond;
+ mailbox->cond = cond;
}
-const char*
-MSG_mailbox_get_alias(msg_mailbox_t mailbox)
+const char *MSG_mailbox_get_alias(msg_mailbox_t mailbox)
{
- return mailbox->alias;
+ return mailbox->alias;
}
-const char*
-MSG_mailbox_get_hostname(msg_mailbox_t mailbox)
+const char *MSG_mailbox_get_hostname(msg_mailbox_t mailbox)
{
- return mailbox->hostname;
+ return mailbox->hostname;
}
-void
-MSG_mailbox_set_hostname(msg_mailbox_t mailbox, const char* hostname)
+void MSG_mailbox_set_hostname(msg_mailbox_t mailbox, const char *hostname)
{
- mailbox->hostname = xbt_strdup(hostname);
+ mailbox->hostname = xbt_strdup(hostname);
}
-msg_mailbox_t
-MSG_mailbox_get_by_alias(const char* alias)
+msg_mailbox_t MSG_mailbox_get_by_alias(const char *alias)
{
- msg_mailbox_t mailbox = xbt_dict_get_or_null(msg_mailboxes,alias);
-
- if(!mailbox)
- {
- mailbox = MSG_mailbox_new(alias);
- MSG_mailbox_set_hostname(mailbox,MSG_host_self()->name);
- }
-
- return mailbox;
+ msg_mailbox_t mailbox = xbt_dict_get_or_null(msg_mailboxes, alias);
+
+ if (!mailbox) {
+ mailbox = MSG_mailbox_new(alias);
+ MSG_mailbox_set_hostname(mailbox, MSG_host_self()->name);
+ }
+
+ return mailbox;
}
msg_mailbox_t
MSG_mailbox_get_by_channel(m_host_t host, m_channel_t channel)
{
- xbt_assert0((host != NULL), "Invalid host");
- xbt_assert1((channel >= 0)&& (channel < msg_global->max_channel), "Invalid channel %d",channel);
+ xbt_assert0((host != NULL), "Invalid host");
+ xbt_assert1((channel >= 0)
+ && (channel < msg_global->max_channel), "Invalid channel %d",
+ channel);
- return host->simdata->mailboxes[(size_t)channel];
+ return host->simdata->mailboxes[(size_t) channel];
}
-MSG_error_t
-MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t* task, m_host_t host, double timeout)
+MSG_error_t
+MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t * task,
+ m_host_t host, double timeout)
{
- m_process_t process = MSG_process_self();
- m_task_t t = NULL;
- m_host_t h = NULL;
- simdata_task_t t_simdata = NULL;
- simdata_host_t h_simdata = NULL;
- int first_time = 1;
-
- smx_cond_t cond = NULL; //conditional wait if the task isn't on the channel yet
-
- CHECK_HOST();
-
- /* Sanity check */
- xbt_assert0(task, "Null pointer for the task storage");
-
- if (*task)
- CRITICAL0("MSG_task_get() was asked to write in a non empty task struct.");
-
- /* Get the task */
- h = MSG_host_self();
- h_simdata = h->simdata;
-
- SIMIX_mutex_lock(h->simdata->mutex);
-
- while (1)
- {
- /* if the mailbox is empty (has no task */
- if(!MSG_mailbox_is_empty(mailbox))
- {
- if(!host)
- {
- /* pop the head of the mailbox */
- t = MSG_mailbox_pop_head(mailbox);
- break;
- }
- else
- {
- /* get the first task of the host */
- if(NULL != (t = MSG_mailbox_get_first_host_task(mailbox,host)))
- break;
- }
- }
-
- if(timeout > 0)
- {
- if (!first_time)
- {
- SIMIX_mutex_unlock(h->simdata->mutex);
- /* set the simix condition of the mailbox to NULL */
- MSG_mailbox_set_cond(mailbox, NULL);
- SIMIX_cond_destroy(cond);
- MSG_RETURN(MSG_TRANSFER_FAILURE);
- }
- }
-
- xbt_assert1(!MSG_mailbox_get_cond(mailbox),"A process is already blocked on the channel %s", MSG_mailbox_get_alias(mailbox));
-
- cond = SIMIX_cond_init();
-
- /* set the condition of the mailbox */
- MSG_mailbox_set_cond(mailbox, cond);
-
- if (timeout > 0)
- SIMIX_cond_wait_timeout(cond, h->simdata->mutex, timeout);
- else
- SIMIX_cond_wait(MSG_mailbox_get_cond(mailbox), h->simdata->mutex);
-
-
- if (SIMIX_host_get_state(h_simdata->smx_host) == 0)
- MSG_RETURN(MSG_HOST_FAILURE);
-
- first_time = 0;
- }
-
+ m_process_t process = MSG_process_self();
+ m_task_t t = NULL;
+ m_host_t h = NULL;
+ simdata_task_t t_simdata = NULL;
+ simdata_host_t h_simdata = NULL;
+ int first_time = 1;
+
+ smx_cond_t cond = NULL; //conditional wait if the task isn't on the channel yet
+
+ CHECK_HOST();
+
+ /* Sanity check */
+ xbt_assert0(task, "Null pointer for the task storage");
+
+ if (*task)
+ CRITICAL0
+ ("MSG_task_get() was asked to write in a non empty task struct.");
+
+ /* Get the task */
+ h = MSG_host_self();
+ h_simdata = h->simdata;
+
+ SIMIX_mutex_lock(h->simdata->mutex);
+
+ if (MSG_mailbox_get_cond(mailbox)) {
+ CRITICAL1("A process is already blocked on the channel %s",
+ MSG_mailbox_get_alias(mailbox));
+ SIMIX_cond_display_info(MSG_mailbox_get_cond(mailbox));
+ xbt_die("Go fix your code!");
+ }
+
+ while (1) {
+ /* if the mailbox is empty (has no task */
+ if (!MSG_mailbox_is_empty(mailbox)) {
+ if (!host) {
+ /* pop the head of the mailbox */
+ t = MSG_mailbox_pop_head(mailbox);
+ break;
+ } else {
+ /* get the first task of the host */
+ if (NULL != (t = MSG_mailbox_get_first_host_task(mailbox, host)))
+ break;
+ }
+ }
+
+ if (timeout > 0) {
+ if (!first_time) {
SIMIX_mutex_unlock(h->simdata->mutex);
-
- DEBUG1("OK, got a task (%s)", t->name);
- /* clean conditional */
- if (cond)
- {
- SIMIX_cond_destroy(cond);
-
- MSG_mailbox_set_cond(mailbox,NULL);
- }
-
- t_simdata = t->simdata;
- t_simdata->receiver = process;
- *task = t;
-
- SIMIX_mutex_lock(t_simdata->mutex);
-
- /* Transfer */
- /* create SIMIX action to the communication */
- t_simdata->comm = SIMIX_action_communicate(
- t_simdata->sender->simdata->m_host->simdata->smx_host,
- process->simdata->m_host->simdata->smx_host,
- t->name,
- t_simdata->message_size,
- t_simdata->rate
- );
-
- /* if the process is suspend, create the action but stop its execution, it will be restart when the sender process resume */
- if (MSG_process_is_suspended(t_simdata->sender))
- {
- DEBUG1("Process sender (%s) suspended", t_simdata->sender->name);
- SIMIX_action_set_priority(t_simdata->comm, 0);
- }
-
- process->simdata->waiting_task = t;
- SIMIX_register_action_to_condition(t_simdata->comm, t_simdata->cond);
-
- while (1)
- {
- SIMIX_cond_wait(t_simdata->cond, t_simdata->mutex);
-
- if (SIMIX_action_get_state(t_simdata->comm) != SURF_ACTION_RUNNING)
- break;
- }
-
- SIMIX_unregister_action_to_condition(t_simdata->comm, t_simdata->cond);
- process->simdata->waiting_task = NULL;
-
- /* the task has already finished and the pointer must be null */
- if (t->simdata->sender)
- {
- t->simdata->sender->simdata->waiting_task = NULL;
- }
-
- /* for this process, don't need to change in get function */
- t->simdata->receiver = NULL;
- SIMIX_mutex_unlock(t_simdata->mutex);
-
-
- if (SIMIX_action_get_state(t_simdata->comm) == SURF_ACTION_DONE)
- {
- SIMIX_action_destroy(t_simdata->comm);
- t_simdata->comm = NULL;
- t_simdata->using--;
- MSG_RETURN(MSG_OK);
- }
- else if (SIMIX_host_get_state(h_simdata->smx_host) == 0)
- {
- SIMIX_action_destroy(t_simdata->comm);
- t_simdata->comm = NULL;
- t_simdata->using--;
- MSG_RETURN(MSG_HOST_FAILURE);
- }
- else
- {
- SIMIX_action_destroy(t_simdata->comm);
- t_simdata->comm = NULL;
- t_simdata->using--;
- MSG_RETURN(MSG_TRANSFER_FAILURE);
- }
+ /* set the simix condition of the mailbox to NULL */
+ MSG_mailbox_set_cond(mailbox, NULL);
+ SIMIX_cond_destroy(cond);
+ MSG_RETURN(MSG_TRANSFER_FAILURE);
+ }
+ }
+
+ cond = SIMIX_cond_init();
+
+ /* set the condition of the mailbox */
+ MSG_mailbox_set_cond(mailbox, cond);
+
+ if (timeout > 0)
+ SIMIX_cond_wait_timeout(cond, h->simdata->mutex, timeout);
+ else
+ SIMIX_cond_wait(MSG_mailbox_get_cond(mailbox), h->simdata->mutex);
+
+
+ if (SIMIX_host_get_state(h_simdata->smx_host) == 0)
+ MSG_RETURN(MSG_HOST_FAILURE);
+
+ first_time = 0;
+ }
+
+ SIMIX_mutex_unlock(h->simdata->mutex);
+
+ DEBUG1("OK, got a task (%s)", t->name);
+ /* clean conditional */
+ if (cond) {
+ SIMIX_cond_destroy(cond);
+
+ MSG_mailbox_set_cond(mailbox, NULL);
+ }
+
+ t_simdata = t->simdata;
+ t_simdata->receiver = process;
+ *task = t;
+
+ SIMIX_mutex_lock(t_simdata->mutex);
+
+ /* Transfer */
+ /* create SIMIX action to the communication */
+ t_simdata->comm =
+ SIMIX_action_communicate(t_simdata->sender->simdata->m_host->
+ simdata->smx_host,
+ process->simdata->m_host->simdata->smx_host,
+ t->name, t_simdata->message_size,
+ t_simdata->rate);
+
+ /* if the process is suspend, create the action but stop its execution, it will be restart when the sender process resume */
+ if (MSG_process_is_suspended(t_simdata->sender)) {
+ DEBUG1("Process sender (%s) suspended", t_simdata->sender->name);
+ SIMIX_action_set_priority(t_simdata->comm, 0);
+ }
+
+ process->simdata->waiting_task = t;
+ SIMIX_register_action_to_condition(t_simdata->comm, t_simdata->cond);
+
+ while (1) {
+ SIMIX_cond_wait(t_simdata->cond, t_simdata->mutex);
+
+ if (SIMIX_action_get_state(t_simdata->comm) != SURF_ACTION_RUNNING)
+ break;
+ }
+
+ SIMIX_unregister_action_to_condition(t_simdata->comm, t_simdata->cond);
+ process->simdata->waiting_task = NULL;
+
+ /* the task has already finished and the pointer must be null */
+ if (t->simdata->sender) {
+ t->simdata->sender->simdata->waiting_task = NULL;
+ }
+
+ /* for this process, don't need to change in get function */
+ t->simdata->receiver = NULL;
+ SIMIX_mutex_unlock(t_simdata->mutex);
+
+
+ if (SIMIX_action_get_state(t_simdata->comm) == SURF_ACTION_DONE) {
+ SIMIX_action_destroy(t_simdata->comm);
+ t_simdata->comm = NULL;
+ t_simdata->using--;
+ MSG_RETURN(MSG_OK);
+ } else if (SIMIX_host_get_state(h_simdata->smx_host) == 0) {
+ SIMIX_action_destroy(t_simdata->comm);
+ t_simdata->comm = NULL;
+ t_simdata->using--;
+ MSG_RETURN(MSG_HOST_FAILURE);
+ } else {
+ SIMIX_action_destroy(t_simdata->comm);
+ t_simdata->comm = NULL;
+ t_simdata->using--;
+ MSG_RETURN(MSG_TRANSFER_FAILURE);
+ }
}
-MSG_error_t
-MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task, double timeout)
+MSG_error_t
+MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task,
+ double timeout)
{
- m_process_t process = MSG_process_self();
- const char* hostname;
- simdata_task_t task_simdata = NULL;
- m_host_t local_host = NULL;
- m_host_t remote_host = NULL;
- smx_cond_t cond = NULL;
-
- CHECK_HOST();
-
- task_simdata = task->simdata;
- task_simdata->sender = process;
- task_simdata->source = MSG_process_get_host(process);
-
- xbt_assert0(task_simdata->using == 1,"This task is still being used somewhere else. You cannot send it now. Go fix your code!");
-
- task_simdata->comm = NULL;
-
- task_simdata->using++;
- local_host = ((simdata_process_t) process->simdata)->m_host;
-
- /* get the host name containing the mailbox */
- hostname = MSG_mailbox_get_hostname(mailbox);
-
- remote_host = MSG_get_host_by_name(hostname);
-
- if(NULL == remote_host)
- THROW1(not_found_error,0,"Host %s not fount", hostname);
-
-
- DEBUG4("Trying to send a task (%g kB) from %s to %s on the channel aliased by the alias %s",task->simdata->message_size / 1000, local_host->name,remote_host->name, MSG_mailbox_get_alias(mailbox));
-
- SIMIX_mutex_lock(remote_host->simdata->mutex);
-
- /* put the task in the mailbox */
- MSG_mailbox_put(mailbox,task);
-
- if(NULL != (cond = MSG_mailbox_get_cond(mailbox)))
- {
- DEBUG0("Somebody is listening. Let's wake him up!");
- SIMIX_cond_signal(cond);
- }
+ m_process_t process = MSG_process_self();
+ const char *hostname;
+ simdata_task_t task_simdata = NULL;
+ m_host_t local_host = NULL;
+ m_host_t remote_host = NULL;
+ smx_cond_t cond = NULL;
-
-
- SIMIX_mutex_unlock(remote_host->simdata->mutex);
-
- SIMIX_mutex_lock(task->simdata->mutex);
-
- process->simdata->waiting_task = task;
-
- if(timeout > 0)
- {
- xbt_ex_t e;
- double time;
- double time_elapsed;
- time = SIMIX_get_clock();
-
- TRY
- {
- /*verify if the action that ends is the correct. Call the wait_timeout with the new time. If the timeout occurs, an exception is raised */
- while (1)
- {
- time_elapsed = SIMIX_get_clock() - time;
- SIMIX_cond_wait_timeout(task->simdata->cond, task->simdata->mutex,timeout - time_elapsed);
-
- if ((task->simdata->comm != NULL) && (SIMIX_action_get_state(task->simdata->comm) != SURF_ACTION_RUNNING))
- break;
- }
- }
- CATCH(e)
- {
- if(e.category==timeout_error)
- {
- xbt_ex_free(e);
- /* verify if the timeout happened and the communication didn't started yet */
- if (task->simdata->comm == NULL)
- {
- process->simdata->waiting_task = NULL;
-
- /* remove the task from the mailbox */
- MSG_mailbox_remove(mailbox,task);
-
- if (task->simdata->receiver)
- {
- task->simdata->receiver->simdata->waiting_task = NULL;
- }
-
- task->simdata->sender = NULL;
-
- SIMIX_mutex_unlock(task->simdata->mutex);
- MSG_RETURN(MSG_TRANSFER_FAILURE);
- }
- }
- else
- {
- RETHROW;
- }
- }
- }
- else
- {
- while (1)
- {
- SIMIX_cond_wait(task->simdata->cond, task->simdata->mutex);
-
- if (SIMIX_action_get_state(task->simdata->comm) != SURF_ACTION_RUNNING)
- break;
- }
- }
-
- DEBUG1("Action terminated %s", task->name);
- process->simdata->waiting_task = NULL;
-
- /* the task has already finished and the pointer must be null */
- if (task->simdata->receiver)
- {
- task->simdata->receiver->simdata->waiting_task = NULL;
- }
-
- task->simdata->sender = NULL;
- SIMIX_mutex_unlock(task->simdata->mutex);
-
-
- if (SIMIX_action_get_state(task->simdata->comm) == SURF_ACTION_DONE)
- {
- MSG_RETURN(MSG_OK);
- }
- else if (SIMIX_host_get_state(local_host->simdata->smx_host) == 0)
- {
- MSG_RETURN(MSG_HOST_FAILURE);
- }
- else
- {
- MSG_RETURN(MSG_TRANSFER_FAILURE);
+ CHECK_HOST();
+
+ task_simdata = task->simdata;
+ task_simdata->sender = process;
+ task_simdata->source = MSG_process_get_host(process);
+
+ xbt_assert0(task_simdata->using == 1,
+ "This task is still being used somewhere else. You cannot send it now. Go fix your code!");
+
+ task_simdata->comm = NULL;
+
+ task_simdata->using++;
+ local_host = ((simdata_process_t) process->simdata)->m_host;
+
+ /* get the host name containing the mailbox */
+ hostname = MSG_mailbox_get_hostname(mailbox);
+
+ remote_host = MSG_get_host_by_name(hostname);
+
+ if (NULL == remote_host)
+ THROW1(not_found_error, 0, "Host %s not fount", hostname);
+
+
+ DEBUG4
+ ("Trying to send a task (%g kB) from %s to %s on the channel aliased by the alias %s",
+ task->simdata->message_size / 1000, local_host->name,
+ remote_host->name, MSG_mailbox_get_alias(mailbox));
+
+ SIMIX_mutex_lock(remote_host->simdata->mutex);
+
+ /* put the task in the mailbox */
+ MSG_mailbox_put(mailbox, task);
+
+ if (NULL != (cond = MSG_mailbox_get_cond(mailbox))) {
+ DEBUG0("Somebody is listening. Let's wake him up!");
+ SIMIX_cond_signal(cond);
+ }
+
+
+
+ SIMIX_mutex_unlock(remote_host->simdata->mutex);
+
+ SIMIX_mutex_lock(task->simdata->mutex);
+
+ process->simdata->waiting_task = task;
+
+ if (timeout > 0) {
+ xbt_ex_t e;
+ double time;
+ double time_elapsed;
+ time = SIMIX_get_clock();
+
+ TRY {
+ /*verify if the action that ends is the correct. Call the wait_timeout with the new time. If the timeout occurs, an exception is raised */
+ while (1) {
+ time_elapsed = SIMIX_get_clock() - time;
+ SIMIX_cond_wait_timeout(task->simdata->cond, task->simdata->mutex,
+ timeout - time_elapsed);
+
+ if ((task->simdata->comm != NULL)
+ && (SIMIX_action_get_state(task->simdata->comm) !=
+ SURF_ACTION_RUNNING))
+ break;
+ }
+ }
+ CATCH(e) {
+ if (e.category == timeout_error) {
+ xbt_ex_free(e);
+ /* verify if the timeout happened and the communication didn't started yet */
+ if (task->simdata->comm == NULL) {
+ process->simdata->waiting_task = NULL;
+
+ /* remove the task from the mailbox */
+ MSG_mailbox_remove(mailbox, task);
+
+ if (task->simdata->receiver) {
+ task->simdata->receiver->simdata->waiting_task = NULL;
+ }
+
+ task->simdata->sender = NULL;
+
+ SIMIX_mutex_unlock(task->simdata->mutex);
+ MSG_RETURN(MSG_TRANSFER_FAILURE);
}
+ } else {
+ RETHROW;
+ }
+ }
+ } else {
+ while (1) {
+ SIMIX_cond_wait(task->simdata->cond, task->simdata->mutex);
+
+ if (SIMIX_action_get_state(task->simdata->comm) !=
+ SURF_ACTION_RUNNING)
+ break;
+ }
+ }
+
+ DEBUG1("Action terminated %s", task->name);
+ process->simdata->waiting_task = NULL;
+
+ /* the task has already finished and the pointer must be null */
+ if (task->simdata->receiver) {
+ task->simdata->receiver->simdata->waiting_task = NULL;
+ }
+
+ task->simdata->sender = NULL;
+ SIMIX_mutex_unlock(task->simdata->mutex);
+
+
+ if (SIMIX_action_get_state(task->simdata->comm) == SURF_ACTION_DONE) {
+ MSG_RETURN(MSG_OK);
+ } else if (SIMIX_host_get_state(local_host->simdata->smx_host) == 0) {
+ MSG_RETURN(MSG_HOST_FAILURE);
+ } else {
+ MSG_RETURN(MSG_TRANSFER_FAILURE);
+ }
}
