+
+ smx_process_t process = NULL;
+ unsigned int iter;
+ double elapsed_time = 0.0;
+ static int state_modifications = 1;
+ int actions_on_system = 0;
+
+ SIMIX_process_empty_trash();
+ if (xbt_swag_size(simix_global->process_to_run) && (elapsed_time > 0)) {
+ DEBUG0("**************************************************");
+ }
+
+ while ((process = xbt_swag_extract(simix_global->process_to_run))) {
+ DEBUG2("Scheduling %s on %s", process->name, process->smx_host->name);
+ SIMIX_process_schedule(process);
+ }
+
+ {
+ surf_action_t action = NULL;
+ surf_model_t model = NULL;
+ smx_action_t smx_action = NULL;
+
+ void *fun = NULL;
+ void *arg = NULL;
+
+ xbt_dynar_foreach(model_list, iter, model) {
+ if (xbt_swag_size(model->states.failed_action_set)
+ || xbt_swag_size(model->states.done_action_set)) {
+ state_modifications = 1;
+ break;
+ }
+ if (xbt_swag_size(model->states.running_action_set)
+ || xbt_swag_size(model->states.ready_action_set)) {
+ actions_on_system = 1;
+ }
+ }
+ /* only calls surf_solve if there are actions to run */
+ if (!state_modifications && actions_on_system) {
+ DEBUG1("%f : Calling surf_solve", SIMIX_get_clock());
+ elapsed_time = surf_solve();
+ DEBUG1("Elapsed_time %f", elapsed_time);
+ }
+
+ actions_on_system = 0;
+ while (surf_timer_model->extension.timer.get(&fun, (void *) &arg)) {
+ /* change in process, don't quit */
+ actions_on_system = 1;
+ DEBUG2("got %p %p", fun, arg);
+ if (fun == SIMIX_process_create) {
+ smx_process_arg_t args = arg;
+ DEBUG2("Launching %s on %s", args->name, args->hostname);
+ process = SIMIX_process_create(args->name, args->code,
+ args->data, args->hostname,
+ args->argc, args->argv,
+ args->properties);
+ /* verify if process has been created */
+ if (!process) {
+ xbt_free(args);
+ continue;
+ }
+ if (args->kill_time > SIMIX_get_clock()) {
+ surf_timer_model->extension.timer.set(args->kill_time, (void *)
+ &SIMIX_process_kill,
+ (void *) process);
+ }
+ xbt_free(args);
+ }
+ if (fun == simix_global->create_process_function) {
+ smx_process_arg_t args = arg;
+ DEBUG2("Launching %s on %s", args->name, args->hostname);
+ process =
+ (*simix_global->create_process_function) (args->name, args->code,
+ args->data,
+ args->hostname,
+ args->argc, args->argv,
+ args->properties);
+ /* verify if process has been created */
+ if (!process) {
+ xbt_free(args);
+ continue;
+ }
+ if (args->kill_time > SIMIX_get_clock()) {
+ if (simix_global->kill_process_function)
+ surf_timer_model->extension.timer.set(args->kill_time, (void *)
+ simix_global->
+ kill_process_function,
+ process);
+ else
+ surf_timer_model->extension.timer.set(args->kill_time, (void *)
+ &SIMIX_process_kill,
+ (void *) process);
+ }
+ xbt_free(args);
+ }
+ if (fun == SIMIX_process_kill) {
+ process = arg;
+ DEBUG2("Killing %s on %s", process->name, process->smx_host->name);
+ SIMIX_process_kill(process);
+ }
+ if (fun == simix_global->kill_process_function) {
+ process = arg;
+ (*simix_global->kill_process_function) (process);
+ }
+ }
+
+ /* Wake up all process waiting for the action finish */
+ xbt_dynar_foreach(model_list, iter, model) {
+ /* stop simulation case there are no actions to run */
+ if ((xbt_swag_size(model->states.running_action_set)) ||
+ (xbt_swag_size(model->states.ready_action_set)) ||
+ (xbt_swag_size(model->states.done_action_set)) ||
+ (xbt_swag_size(model->states.failed_action_set)))
+ actions_on_system = 1;
+
+ while ((action = xbt_swag_extract(model->states.failed_action_set))) {
+ smx_action = action->data;
+ if (smx_action) {
+ SIMIX_action_signal_all(smx_action);
+ }
+ }
+ while ((action = xbt_swag_extract(model->states.done_action_set))) {
+ smx_action = action->data;
+ if (smx_action) {
+ /* Copy the transfered data of the completed communication actions */
+ /* FIXME: find a better way to determine if its a comm action */
+ if(smx_action->data != NULL)
+ SIMIX_network_copy_data((smx_comm_t)smx_action->data);
+ SIMIX_action_signal_all(smx_action);
+ }
+ }
+ }
+ }
+ state_modifications = 0;
+ if (!actions_on_system)
+ elapsed_time = -1;
+
+ if (elapsed_time == -1) {
+ if (xbt_swag_size(simix_global->process_list) == 0) {
+/* INFO0("Congratulations ! Simulation terminated : all processes are over"); */
+ } else {
+ INFO0("Oops ! Deadlock or code not perfectly clean.");
+ SIMIX_display_process_status();
+ if (XBT_LOG_ISENABLED(simix, xbt_log_priority_debug) ||
+ XBT_LOG_ISENABLED(simix_kernel, xbt_log_priority_debug)) {
+ DEBUG0("Aborting!");
+ xbt_abort();
+ }
+ INFO0("Return a Warning.");
+ }
+ }
+ return elapsed_time;