*
* 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
*/
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);
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);
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);
}
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);
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);
}
return NULL;
} else {
- DIE_IMPOSSIBLE;
+ /* Suspension is delayed to when the process is rescheduled. */
return NULL;
}
} else {
{
xbt_assert((process != NULL), "Invalid parameters");
- if(process->context->iwannadie)
+ XBT_IN("process = %p, issuer = %p", process, issuer);
+
+ if(process->context->iwannadie) {
+ XBT_VERB("Ignoring request to suspend a process that is currently dying.");
return;
+ }
+ if(!process->suspended) return;
process->suspended = 0;
/* If we are resuming another process, resume the action it was waiting for
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 {
- DIE_IMPOSSIBLE;
-// if(!xbt_dynar_member(simix_global->process_to_run, &(process)))
-// xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, process);
- }
- }
+ } else XBT_WARN("Strange. Process %p is trying to resume himself.", issuer);
+
+ XBT_OUT();
}
int SIMIX_process_get_maxpid(void) {
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:
SIMIX_context_stop(self->context);
}
+ if(self->suspended) {
+ xbt_assert(!self->doexception, "Gloups! This exception may be lost by subsequent calls.");
+ self->suspended = 0;
+ SIMIX_process_suspend(self,self);
+ }
+
if (self->doexception) {
XBT_DEBUG("Wait, maestro left me an exception");
self->doexception = 0;
*/
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 */
}
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);
+}
