X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1380f1a22147312c119055320c6ca87d72837598..42e69c5d43675587aae0bb367b8bf0746f6be13a:/src/msg/msg_mailbox.c

diff --git a/src/msg/msg_mailbox.c b/src/msg/msg_mailbox.c
index c03ab29de2..942f332433 100644
--- a/src/msg/msg_mailbox.c
+++ b/src/msg/msg_mailbox.c
@@ -8,6 +8,7 @@
 
 #include "msg_mailbox.h"
 #include "msg_private.h"
+
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_mailbox, msg,
                                 "Logging specific to MSG (mailbox)");
 
@@ -26,22 +27,21 @@ int MSG_mailbox_is_empty(msg_mailbox_t mailbox)
   return (NULL == simcall_rdv_get_head(mailbox));
 }
 
-m_task_t MSG_mailbox_get_head(msg_mailbox_t mailbox)
+msg_task_t MSG_mailbox_get_head(msg_mailbox_t mailbox)
 {
   smx_action_t comm = simcall_rdv_get_head(mailbox);
 
   if (!comm)
     return NULL;
 
-  return (m_task_t) simcall_comm_get_src_data(comm);
+  return (msg_task_t) simcall_comm_get_src_data(comm);
 }
 
 int
 MSG_mailbox_get_count_host_waiting_tasks(msg_mailbox_t mailbox,
-                                         m_host_t host)
+                                         msg_host_t host)
 {
-  return simcall_rdv_comm_count_by_host(mailbox,
-                                      host->simdata->smx_host);
+  return simcall_rdv_comm_count_by_host(mailbox, host);
 }
 
 msg_mailbox_t MSG_mailbox_get_by_alias(const char *alias)
@@ -55,32 +55,50 @@ msg_mailbox_t MSG_mailbox_get_by_alias(const char *alias)
   return mailbox;
 }
 
-msg_mailbox_t MSG_mailbox_get_by_channel(m_host_t host,
-                                         m_channel_t channel)
-{
-  XBT_WARN("DEPRECATED! Now use MSG_mailbox_get_by_alias");
-  xbt_assert((host != NULL), "Invalid host");
-  xbt_assert((channel >= 0)
-              && (channel < msg_global->max_channel), "Invalid channel %d",
-              channel);
+/** \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());
 
-  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)
+/** \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)
 {
   xbt_ex_t e;
-  MSG_error_t ret = MSG_OK;
+  msg_error_t ret = MSG_OK;
   /* We no longer support getting a task from a specific host */
   if (host)
     THROW_UNIMPLEMENTED;
 
-  CHECK_HOST();
 #ifdef HAVE_TRACING
   TRACE_msg_task_get_start();
-  volatile double start_time = MSG_get_clock();
+  double start_time = MSG_get_clock();
 #endif
 
   /* Sanity check */
@@ -98,9 +116,6 @@ MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t * task,
   }
   CATCH(e) {
     switch (e.category) {
-    case host_error:
-      ret = MSG_HOST_FAILURE;
-      break;
     case network_error:
       ret = MSG_TRANSFER_FAILURE;
       break;
@@ -123,16 +138,15 @@ MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t * task,
   MSG_RETURN(ret);
 }
 
-MSG_error_t
-MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task,
+msg_error_t
+MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
                              double timeout)
 {
   xbt_ex_t e;
-  MSG_error_t ret = MSG_OK;
+  msg_error_t ret = MSG_OK;
   simdata_task_t t_simdata = NULL;
-  m_process_t process = MSG_process_self();
+  msg_process_t process = MSG_process_self();
   simdata_process_t p_simdata = SIMIX_process_self_get_data(process);
-  CHECK_HOST();
 
 #ifdef HAVE_TRACING
   int call_end = TRACE_msg_task_put_start(task);    //must be after CHECK_HOST()
@@ -147,6 +161,7 @@ MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task,
               "This task is still being used somewhere else. You cannot send it now. Go fix your code!");
 
   t_simdata->isused=1;
+  t_simdata->comm = NULL;
   msg_global->sent_msg++;
 
 
@@ -168,9 +183,6 @@ MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task,
 
   CATCH(e) {
     switch (e.category) {
-    case host_error:
-      ret = MSG_HOST_FAILURE;
-      break;
     case network_error:
       ret = MSG_TRANSFER_FAILURE;
       break;
@@ -186,7 +198,7 @@ MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task,
     t_simdata->isused = 0;
   }
 
-  t_simdata->comm = NULL;
+
   p_simdata->waiting_task = NULL;
 #ifdef HAVE_TRACING
   if (call_end)
@@ -194,3 +206,17 @@ MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task,
 #endif
   MSG_RETURN(ret);
 }
+
+#ifdef MSG_USE_DEPRECATED
+msg_mailbox_t MSG_mailbox_get_by_channel(msg_host_t host,
+                                         m_channel_t channel)
+{
+  XBT_WARN("DEPRECATED! Now use MSG_mailbox_get_by_alias");
+  xbt_assert((host != NULL), "Invalid host");
+  xbt_assert((channel >= 0)
+              && (channel < msg_global->max_channel), "Invalid channel %d",
+              channel);
+
+  return host->mailboxes[(size_t) channel];
+}
+#endif