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Merge branch 'master' of scm.gforge.inria.fr:/gitroot/simgrid/simgrid
[simgrid.git] / src / msg / msg_gos.cpp
index 522485d..becc04b 100644 (file)
@@ -67,9 +67,10 @@ msg_error_t MSG_parallel_task_execute(msg_task_t task)
       simdata->isused = (void*)1;
 
     if (simdata->host_nb > 0) {
-      simdata->compute = simcall_execution_parallel_start(task->name, simdata->host_nb,simdata->host_list,
+      simdata->compute = static_cast<simgrid::simix::Exec*>(
+          simcall_execution_parallel_start(task->name, simdata->host_nb,simdata->host_list,
                                                        simdata->flops_parallel_amount, simdata->bytes_parallel_amount,
-                                                       1.0, -1.0);
+                                                       1.0, -1.0));
       XBT_DEBUG("Parallel execution action created: %p", simdata->compute);
     } else {
       unsigned long affinity_mask =
@@ -78,8 +79,9 @@ msg_error_t MSG_parallel_task_execute(msg_task_t task)
       XBT_DEBUG("execute %s@%s with affinity(0x%04lx)",
                 MSG_task_get_name(task), MSG_host_get_name(p_simdata->m_host), affinity_mask);
 
-      simdata->compute = simcall_execution_start(task->name, simdata->flops_amount, simdata->priority,
-                                                 simdata->bound, affinity_mask);
+          simdata->compute = static_cast<simgrid::simix::Exec*>(
+              simcall_execution_start(task->name, simdata->flops_amount, simdata->priority,
+                                                 simdata->bound, affinity_mask));
     }
     simcall_set_category(simdata->compute, task->category);
     p_simdata->waiting_action = simdata->compute;
@@ -284,7 +286,7 @@ msg_error_t MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, d
 }
 
 /* Internal function used to factorize code between MSG_task_isend_with_matching() and MSG_task_dsend(). */
-static XBT_INLINE msg_comm_t MSG_task_isend_internal(msg_task_t task, const char *alias,
+static inline msg_comm_t MSG_task_isend_internal(msg_task_t task, const char *alias,
                                                      int (*match_fun)(void*,void*, smx_synchro_t),
                                                      void *match_data, void_f_pvoid_t cleanup, int detached)
 {
@@ -307,7 +309,7 @@ static XBT_INLINE msg_comm_t MSG_task_isend_internal(msg_task_t task, const char
     } else {
       xbt_assert(t_simdata->isused == 0,
                  "This task is still being used somewhere else. You cannot send it now. Go fix your code!"
-                 "(use --cfg=msg/debug_multiple_use:on to get the backtrace of the other process)");
+                 "(use --cfg=msg/debug-multiple-use:on to get the backtrace of the other process)");
     }
   }
 
@@ -321,7 +323,7 @@ static XBT_INLINE msg_comm_t MSG_task_isend_internal(msg_task_t task, const char
   /* Send it by calling SIMIX network layer */
   smx_synchro_t act = simcall_comm_isend(SIMIX_process_self(), mailbox, t_simdata->bytes_amount, t_simdata->rate,
                                          task, sizeof(void *), match_fun, cleanup, NULL, match_data,detached);
-  t_simdata->comm = act; /* FIXME: is the field t_simdata->comm still useful? */
+  t_simdata->comm = static_cast<simgrid::simix::Comm*>(act); /* FIXME: is the field t_simdata->comm still useful? */
 
   msg_comm_t comm;
   if (detached) {
@@ -702,9 +704,9 @@ int MSG_comm_waitany(xbt_dynar_t comms)
 
 /**
  * \ingroup msg_task_usage
- * \brief Returns the error (if any) that occured during a finished communication.
+ * \brief Returns the error (if any) that occurred during a finished communication.
  * \param comm a finished communication
- * \return the status of the communication, or #MSG_OK if no error occured
+ * \return the status of the communication, or #MSG_OK if no error occurred
  * during the communication
  */
 msg_error_t MSG_comm_get_status(msg_comm_t comm) {
@@ -731,14 +733,16 @@ msg_task_t MSG_comm_get_task(msg_comm_t comm)
  * \param buff the data copied
  * \param buff_size size of the buffer
  */
-void MSG_comm_copy_data_from_SIMIX(smx_synchro_t comm, void* buff, size_t buff_size) {
-  // copy the task
+void MSG_comm_copy_data_from_SIMIX(smx_synchro_t synchro, void* buff, size_t buff_size)
+{
+  simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
+
   SIMIX_comm_copy_pointer_callback(comm, buff, buff_size);
 
   // notify the user callback if any
   if (msg_global->task_copy_callback) {
     msg_task_t task = (msg_task_t) buff;
-    msg_global->task_copy_callback(task, simcall_comm_get_src_proc(comm), simcall_comm_get_dst_proc(comm));
+    msg_global->task_copy_callback(task, comm->src_proc, comm->dst_proc);
   }
 }
 
@@ -794,7 +798,79 @@ msg_error_t MSG_task_send_bounded(msg_task_t task, const char *alias, double max
  */
 msg_error_t MSG_task_send_with_timeout(msg_task_t task, const char *alias, double timeout)
 {
-  return MSG_mailbox_put_with_timeout(MSG_mailbox_get_by_alias(alias), task, timeout);
+  msg_error_t ret = MSG_OK;
+  simdata_task_t t_simdata = NULL;
+  msg_process_t process = MSG_process_self();
+  simdata_process_t p_simdata = (simdata_process_t) SIMIX_process_self_get_data();
+  msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
+
+  int call_end = TRACE_msg_task_put_start(task);    //must be after CHECK_HOST()
+
+  /* Prepare the task to send */
+  t_simdata = task->simdata;
+  t_simdata->sender = process;
+  t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data())->m_host;
+
+  if (t_simdata->isused != 0) {
+    if (msg_global->debug_multiple_use){
+      XBT_ERROR("This task is already used in there:");
+      xbt_backtrace_display((xbt_ex_t*) t_simdata->isused);
+      XBT_ERROR("And you try to reuse it from here:");
+      xbt_backtrace_display_current();
+    } else {
+      xbt_assert(t_simdata->isused == 0,
+                 "This task is still being used somewhere else. You cannot send it now. Go fix your code!"
+                 " (use --cfg=msg/debug-multiple-use:on to get the backtrace of the other process)");
+    }
+  }
+
+  if (msg_global->debug_multiple_use)
+    MSG_BT(t_simdata->isused, "Using Backtrace");
+  else
+    t_simdata->isused = (void*)1;
+  t_simdata->comm = NULL;
+  msg_global->sent_msg++;
+
+  p_simdata->waiting_task = task;
+
+  xbt_ex_t e;
+  /* Try to send it by calling SIMIX network layer */
+  TRY {
+    smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simix call  */
+    comm = simcall_comm_isend(SIMIX_process_self(), mailbox,t_simdata->bytes_amount,
+                              t_simdata->rate, task, sizeof(void *), NULL, NULL, NULL, task, 0);
+    if (TRACE_is_enabled())
+      simcall_set_category(comm, task->category);
+     t_simdata->comm = static_cast<simgrid::simix::Comm*>(comm);
+     simcall_comm_wait(comm, timeout);
+  }
+
+  CATCH(e) {
+    switch (e.category) {
+    case cancel_error:
+      ret = MSG_HOST_FAILURE;
+      break;
+    case network_error:
+      ret = MSG_TRANSFER_FAILURE;
+      break;
+    case timeout_error:
+      ret = MSG_TIMEOUT;
+      break;
+    default:
+      RETHROW;
+    }
+    xbt_ex_free(e);
+
+    /* If the send failed, it is not used anymore */
+    if (msg_global->debug_multiple_use && t_simdata->isused!=0)
+      xbt_ex_free(*(xbt_ex_t*)t_simdata->isused);
+    t_simdata->isused = 0;
+  }
+
+  p_simdata->waiting_task = NULL;
+  if (call_end)
+    TRACE_msg_task_put_end();
+  MSG_RETURN(ret);
 }
 
 /** \ingroup msg_task_usage
@@ -813,7 +889,7 @@ msg_error_t MSG_task_send_with_timeout(msg_task_t task, const char *alias, doubl
 msg_error_t MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias, double timeout, double maxrate)
 {
   task->simdata->rate = maxrate;
-  return MSG_mailbox_put_with_timeout(MSG_mailbox_get_by_alias(alias), task, timeout);
+  return MSG_task_send_with_timeout(task, alias, timeout);
 }
 
 /** \ingroup msg_task_usage
@@ -825,22 +901,8 @@ msg_error_t MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alia
  */
 int MSG_task_listen(const char *alias)
 {
-  smx_mailbox_t rdv = MSG_mailbox_get_by_alias(alias);
-  return !MSG_mailbox_is_empty(rdv) || (rdv->permanent_receiver && xbt_fifo_size(rdv->done_comm_fifo)!=0);
-}
-
-/** \ingroup msg_task_usage
- * \brief Check the number of communication actions of a given host pending in a mailbox.
- *
- * \param alias the name of the mailbox to be considered
- * \param host the host to check for communication
- *
- * \return Returns the number of pending communication actions of the host in the given mailbox, 0 if there is no
- *         pending communication actions.
- */
-int MSG_task_listen_from_host(const char *alias, msg_host_t host)
-{
-  return MSG_mailbox_get_count_host_waiting_tasks(MSG_mailbox_get_by_alias(alias), host);
+  smx_mailbox_t mbox = MSG_mailbox_get_by_alias(alias);
+  return !MSG_mailbox_is_empty(mbox) || (mbox->permanent_receiver && !mbox->done_comm_queue->empty());
 }
 
 /** \ingroup msg_task_usage
@@ -855,7 +917,7 @@ int MSG_task_listen_from(const char *alias)
 {
   msg_task_t task;
 
-  if (NULL == (task = MSG_mailbox_get_head(MSG_mailbox_get_by_alias(alias))))
+  if (NULL == (task = MSG_mailbox_front(MSG_mailbox_get_by_alias(alias))))
     return -1;
 
   return MSG_process_get_PID(task->simdata->sender);
@@ -869,7 +931,7 @@ int MSG_task_listen_from(const char *alias)
  * parameter category must contain a category that was previously declared with the function #TRACE_category
  * (or with #TRACE_category_with_color).
  *
- * See \ref tracing for details on how to trace the (categorized) resource utilization.
+ * See \ref outcomes_vizu for details on how to trace the (categorized) resource utilization.
  *
  * \param task the task that is going to be categorized
  * \param category the name of the category to be associated to the task