Add on_exit support on SIMIX/MSG, calling functions when the process is dying (stopped)

[simgrid.git] / src / simix / smx_process.c

diff --git a/src/simix/smx_process.c b/src/simix/smx_process.c
index aa1378a..b47fe45 100644 (file)
--- a/src/simix/smx_process.c
+++ b/src/simix/smx_process.c
@@ -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);
@@ -582,7 +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:
@@ -693,13 +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 */
@@ -711,3 +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);
+}