X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/78e6d82818b5b5fcfb29e84da291e69073b18b55..409cad633c6b5032649e7a54f6311e41c6178899:/src/msg/gos.c

diff --git a/src/msg/gos.c b/src/msg/gos.c
index feb7153b6d..9dcfb54cd9 100644
--- a/src/msg/gos.c
+++ b/src/msg/gos.c
@@ -11,10 +11,14 @@
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gos, msg,
 				"Logging specific to MSG (gos)");
 
+/** \defgroup msg_gos_functions MSG Operating System Functions
+ *  \brief This section describes the functions that can be used
+ *  by an agent for handling some task.
+ */
+
 /** \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)
 {
   xbt_assert0(0,"This function is now deprecated and useless. Please stop using it.");
@@ -57,9 +61,14 @@ MSG_error_t MSG_task_get(m_task_t * task,
   /* Get the task */
   h = MSG_host_self();
   h_simdata = h->simdata;
-  while ((t = xbt_fifo_pop(h_simdata->mbox[channel])) == NULL) {
-    xbt_assert0(!(h_simdata->sleeping[channel]),
-		"A process is already blocked on this channel");
+
+  DEBUG2("Waiting for a task on channel %d (%s)", channel,h->name);
+
+  while ((t = xbt_fifo_shift(h_simdata->mbox[channel])) == NULL) {
+    xbt_assert2(!(h_simdata->sleeping[channel]),
+		"A process (%s(%d)) is already blocked on this channel",
+		h_simdata->sleeping[channel]->name,
+		h_simdata->sleeping[channel]->simdata->PID);
     h_simdata->sleeping[channel] = process; /* I'm waiting. Wake me up when you're ready */
     __MSG_process_block();
     if(surf_workstation_resource->extension_public->get_state(h_simdata->host) 
@@ -85,11 +94,21 @@ MSG_error_t MSG_task_get(m_task_t * task,
   if(__MSG_process_isBlocked(t_simdata->sender)) 
     __MSG_process_unblock(t_simdata->sender);
 
+  PAJE_PROCESS_PUSH_STATE(process,"C");  
+
   do {
     __MSG_task_wait_event(process, t);
     state=surf_workstation_resource->common_public->action_get_state(t_simdata->comm);
   } while (state==SURF_ACTION_RUNNING);
 
+  if(t->simdata->using>1) {
+    xbt_fifo_unshift(msg_global->process_to_run,process);
+    xbt_context_yield();
+  }
+
+  PAJE_PROCESS_POP_STATE(process);  
+  PAJE_COMM_STOP(process,t,channel);
+
   if(state == SURF_ACTION_DONE) MSG_RETURN(MSG_OK);
   else if(surf_workstation_resource->extension_public->get_state(h_simdata->host) 
 	  == SURF_CPU_OFF)
@@ -111,6 +130,7 @@ int MSG_task_Iprobe(m_channel_t channel)
   m_host_t h = NULL;
   simdata_host_t h_simdata = NULL;
 
+  DEBUG2("Probing on channel %d (%s)", channel,h->name);
   CHECK_HOST();
   h = MSG_host_self();
   h_simdata = h->simdata;
@@ -136,12 +156,14 @@ int MSG_task_probe_from(m_channel_t channel)
   CHECK_HOST();
   h = MSG_host_self();
   h_simdata = h->simdata;
+
+  DEBUG2("Probing on channel %d (%s)", channel,h->name);
    
-  item = xbt_fifo_getFirstItem(((simdata_host_t)h->simdata)->mbox[channel]);
-  if (!item || !(t = xbt_fifo_get_item_content(item)) || (simdata_task_t)t->simdata)
+  item = xbt_fifo_getFirstItem(h->simdata->mbox[channel]);
+  if (!item || !(t = xbt_fifo_get_item_content(item)))
     return -1;
    
-  return MSG_process_get_PID(((simdata_task_t)t->simdata)->sender);
+  return MSG_process_get_PID(t->simdata->sender);
 }
 
 /** \ingroup msg_gos_functions
@@ -186,19 +208,26 @@ MSG_error_t MSG_task_put(m_task_t task,
   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", 
+	 task->simdata->message_size,local_host->name, remote_host->name, channel);
+
   xbt_fifo_push(((simdata_host_t) remote_host->simdata)->
 		mbox[channel], task);
+
+  PAJE_COMM_START(process,task,channel);
     
   if(remote_host->simdata->sleeping[channel]) 
     __MSG_process_unblock(remote_host->simdata->sleeping[channel]);
-/*   else { */
+
   process->simdata->put_host = dest;
   process->simdata->put_channel = channel;
   while(!(task_simdata->comm)) 
     __MSG_process_block();
   process->simdata->put_host = NULL;
   process->simdata->put_channel = -1;
-/*   } */
+
+
+  PAJE_PROCESS_PUSH_STATE(process,"C");  
 
   state=surf_workstation_resource->common_public->action_get_state(task_simdata->comm);
   while (state==SURF_ACTION_RUNNING) {
@@ -208,6 +237,8 @@ MSG_error_t MSG_task_put(m_task_t task,
     
   MSG_task_destroy(task);
 
+  PAJE_PROCESS_POP_STATE(process);  
+
   if(state == SURF_ACTION_DONE) MSG_RETURN(MSG_OK);
   else if(surf_workstation_resource->extension_public->get_state(local_host->simdata->host) 
 	  == SURF_CPU_OFF)
@@ -215,12 +246,19 @@ MSG_error_t MSG_task_put(m_task_t task,
   else MSG_RETURN(MSG_TRANSFER_FAILURE);
 }
 
+/** \ingroup msg_gos_functions
+ * \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,
-				 long double max_rate)
+				 double max_rate)
 {
   task->simdata->rate=max_rate;
   return(MSG_task_put(task, dest, channel));
+  task->simdata->rate=-1.0;
 }
 
 /** \ingroup msg_gos_functions
@@ -236,9 +274,16 @@ MSG_error_t MSG_task_put_bounded(m_task_t task,
 MSG_error_t MSG_task_execute(m_task_t task)
 {
   m_process_t process = MSG_process_self();
+  MSG_error_t res;
+
+  DEBUG1("Computing on %s", process->simdata->host->name);
 
   __MSG_task_execute(process, task);
-  return __MSG_wait_for_computation(process,task);
+
+  PAJE_PROCESS_PUSH_STATE(process,"E");  
+  res = __MSG_wait_for_computation(process,task);
+  PAJE_PROCESS_POP_STATE(process);
+  return res;
 }
 
 void __MSG_task_execute(m_process_t process, m_task_t task)
@@ -283,7 +328,7 @@ MSG_error_t __MSG_wait_for_computation(m_process_t process, m_task_t task)
  *
  * \param nb_sec a number of second
  */
-MSG_error_t MSG_process_sleep(long double nb_sec)
+MSG_error_t MSG_process_sleep(double nb_sec)
 {
   e_surf_action_state_t state = SURF_ACTION_NOT_IN_THE_SYSTEM;
   m_process_t process = MSG_process_self();
@@ -346,4 +391,3 @@ MSG_error_t MSG_get_errno(void)
 {
   return PROCESS_GET_ERRNO();
 }
-