X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/93e98cba1ef18d132ff7b287f3934fe2f6d515ce..446516ef6cc8459883ad5b3a53cd724e24185c21:/src/simix/smx_process.c

diff --git a/src/simix/smx_process.c b/src/simix/smx_process.c
index 31e46e630a..b47fe453aa 100644
--- a/src/simix/smx_process.c
+++ b/src/simix/smx_process.c
@@ -169,7 +169,7 @@ smx_process_t SIMIX_process_create_from_wrapper(smx_process_arg_t args) {
  *
  * This function actually creates the process.
  * It may be called when a SIMCALL_PROCESS_CREATE simcall occurs,
- * or directly for SIMIX internal purposes.
+ * or directly for SIMIX internal purposes. The sure thing is that it's called from maestro context.
  *
  * \return the process created
  */
@@ -206,7 +206,7 @@ void SIMIX_process_create(smx_process_t *process,
 
     XBT_VERB("Create context %s", (*process)->name);
     (*process)->context = SIMIX_context_new(code, argc, argv,
-    	simix_global->cleanup_process_function, *process);
+      simix_global->cleanup_process_function, *process);
 
     (*process)->running_ctx = xbt_new(xbt_running_ctx_t, 1);
     XBT_RUNNING_CTX_INITIALIZE((*process)->running_ctx);
@@ -219,6 +219,9 @@ void SIMIX_process_create(smx_process_t *process,
 
     XBT_DEBUG("Start context '%s'", (*process)->name);
 
+    /* Build the dynars for the on_exit functions */
+    (*process)->on_exit_fun = xbt_dynar_new(sizeof(int_f_pvoid_t),NULL);
+    (*process)->on_exit_args = xbt_dynar_new(sizeof(void*),NULL);
     /* Now insert it in the global process list and in the process to run list */
     xbt_swag_insert(*process, simix_global->process_list);
     XBT_DEBUG("Inserting %s(%s) in the to_run list", (*process)->name, host->name);
@@ -286,13 +289,13 @@ void SIMIX_process_kill(smx_process_t process) {
         break;
 
       case SIMIX_ACTION_SLEEP:
-	SIMIX_process_sleep_destroy(process->waiting_action);
-	break;
+  SIMIX_process_sleep_destroy(process->waiting_action);
+  break;
 
       case SIMIX_ACTION_SYNCHRO:
-	SIMIX_synchro_stop_waiting(process, &process->simcall);
-	SIMIX_synchro_destroy(process->waiting_action);
-	break;
+  SIMIX_synchro_stop_waiting(process, &process->simcall);
+  SIMIX_synchro_destroy(process->waiting_action);
+  break;
 
       case SIMIX_ACTION_IO:
         SIMIX_io_destroy(process->waiting_action);
@@ -323,7 +326,7 @@ void SIMIX_process_killall(smx_process_t issuer)
 }
 
 void SIMIX_process_change_host(smx_process_t process,
-			       smx_host_t dest)
+             smx_host_t dest)
 {
   xbt_assert((process != NULL), "Invalid parameters");
   xbt_swag_remove(process, process->smx_host->process_list);
@@ -384,6 +387,10 @@ smx_action_t SIMIX_process_suspend(smx_process_t process, smx_process_t issuer)
           SIMIX_process_sleep_suspend(process->waiting_action);
           break;
 
+        case SIMIX_ACTION_SYNCHRO:
+          /* Suspension is delayed to when the process is rescheduled. */
+          break;
+
         default:
           xbt_die("Internal error in SIMIX_process_suspend: unexpected action type %d",
               (int)process->waiting_action->type);
@@ -404,8 +411,10 @@ void SIMIX_process_resume(smx_process_t process, smx_process_t issuer)
 
   XBT_IN("process = %p, issuer = %p", process, issuer);
 
-  if(process->context->iwannadie)
+  if(process->context->iwannadie) {
+    XBT_VERB("Ignoring request to suspend a process that is currently dying.");
     return;
+  }
 
   if(!process->suspended) return;
   process->suspended = 0;
@@ -431,14 +440,18 @@ void SIMIX_process_resume(smx_process_t process, smx_process_t issuer)
           SIMIX_process_sleep_resume(process->waiting_action);
           break;
 
+        case SIMIX_ACTION_SYNCHRO:
+          /* I cannot resume it now. This is delayed to when the process is rescheduled at
+           * the end of the synchro. */
+          break;
+
         default:
           xbt_die("Internal error in SIMIX_process_resume: unexpected action type %d",
               (int)process->waiting_action->type);
       }
     }
-    else
-      XBT_WARN("Strange. Process %p is trying to resume himself.", issuer);
-  }
+  } else XBT_WARN("Strange. Process %p is trying to resume himself.", issuer);
+
   XBT_OUT();
 }
 
@@ -572,7 +585,7 @@ void SIMIX_post_process_sleep(smx_action_t action)
 
     switch(surf_workstation_model->action_state_get(action->sleep.surf_sleep)){
       case SURF_ACTION_FAILED:
-        state = SIMIX_SRC_HOST_FAILURE;
+	SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
         break;
 
       case SURF_ACTION_DONE:
@@ -683,13 +696,13 @@ xbt_dynar_t SIMIX_process_get_runnable(void)
  */
 smx_process_t SIMIX_process_from_PID(int PID)
 {
-	smx_process_t proc;
-	xbt_swag_foreach(proc, simix_global->process_list)
-	{
-	 if(proc->pid == PID)
-	 return proc;
-	}
-	return NULL;
+  smx_process_t proc;
+  xbt_swag_foreach(proc, simix_global->process_list)
+  {
+   if(proc->pid == PID)
+   return proc;
+  }
+  return NULL;
 }
 
 /** @brief returns a dynar containg all currently existing processes */
@@ -701,3 +714,20 @@ xbt_dynar_t SIMIX_processes_as_dynar(void) {
   }
   return res;
 }
+void SIMIX_process_on_exit(smx_process_t process) {
+  int length = xbt_dynar_length(process->on_exit_fun);
+  int cpt;
+  int_f_pvoid_t fun;
+  void *data;
+  for (cpt = 0; cpt < length; cpt++) {
+    fun = xbt_dynar_get_as(process->on_exit_fun,cpt,int_f_pvoid_t);
+    data = xbt_dynar_get_as(process->on_exit_args,cpt,void*);
+    (fun)(data);
+  }
+}
+void SIMIX_process_on_exit_add(int_f_pvoid_t fun, void *data) {
+  smx_process_t process = SIMIX_process_self();
+  xbt_assert(process, "current process not found: are you in maestro context ?");
+  xbt_dynar_push_as(process->on_exit_fun,int_f_pvoid_t,fun);
+  xbt_dynar_push_as(process->on_exit_args,void*,data);
+}