-/* $Id$ */
-
-/* Copyright (c) 2007 Arnaud Legrand, Bruno Donassolo.
- All rights reserved. */
+/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
XBT_LOG_EXTERNAL_CATEGORY(simix_host);
XBT_LOG_EXTERNAL_CATEGORY(simix_process);
XBT_LOG_EXTERNAL_CATEGORY(simix_synchro);
+XBT_LOG_EXTERNAL_CATEGORY(simix_context);
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_kernel, simix,
"Logging specific to SIMIX (kernel)");
void SIMIX_global_init(int *argc, char **argv)
{
s_smx_process_t proc;
-
+
if (!simix_global) {
/* Connect our log channels: that must be done manually under windows */
XBT_LOG_CONNECT(simix_action, simix);
XBT_LOG_CONNECT(simix_kernel, simix);
XBT_LOG_CONNECT(simix_process, simix);
XBT_LOG_CONNECT(simix_synchro, simix);
+ XBT_LOG_CONNECT(simix_context, simix);
simix_global = xbt_new0(s_SIMIX_Global_t, 1);
simix_global->cleanup_process_function = SIMIX_process_cleanup;
SIMIX_context_mod_init();
- __SIMIX_create_maestro_process();
-
+ SIMIX_create_maestro_process();
+
+ /* context exception handlers */
+ __xbt_ex_ctx = SIMIX_process_get_exception;
+ __xbt_ex_terminate = SIMIX_process_exception_terminate;
+
+
/* Prepare to display some more info when dying on Ctrl-C pressing */
signal(SIGINT, inthandler);
surf_init(argc, argv); /* Initialize SURF structures */
free(who);
who = who2;
}
+ } else if (process->sem) {
+ who2 =
+ bprintf
+ ("%s Blocked on semaphore %p; Waiting for the following actions:",
+ who,
+ (XBT_LOG_ISENABLED(simix_kernel, xbt_log_priority_verbose)) ?
+ process->sem : (void *) 0xdead);
+ free(who);
+ who = who2;
+ xbt_fifo_foreach(process->sem->actions, item, act, smx_action_t) {
+ who2 =
+ bprintf("%s '%s'(%p)", who, act->name,
+ (XBT_LOG_ISENABLED(simix_kernel, xbt_log_priority_verbose))
+ ? act : (void *) 0xdead);
+ free(who);
+ who = who2;
+ }
+
} else {
who2 =
bprintf
/**
* \brief Kill all running process
- *
+ * Only maestro can kill everyone :)
*/
void SIMIX_process_killall()
{
smx_process_t p = NULL;
- smx_process_t self = SIMIX_process_self();
+ xbt_assert0((simix_global->current_process ==
+ simix_global->maestro_process),
+ "You are not supposed to run this function here!");
- while ((p = xbt_swag_extract(simix_global->process_list))) {
- if (p != self)
- SIMIX_process_kill(p);
- }
+ while ((p = xbt_swag_extract(simix_global->process_list)))
+ SIMIX_process_kill(p);
- SIMIX_context_empty_trash();
-
- if (self != simix_global->maestro_process) {
- SIMIX_context_yield();
- }
+ SIMIX_process_empty_trash();
return;
}
/* Kill everyone (except maestro) */
SIMIX_process_killall();
- /* Destroy the hosts list (and the hosts) */
- xbt_dict_free(&(simix_global->host));
-
- simix_config_finalize();
-
- /* Free the remaining data structures*/
+ /* Free the remaining data structures */
xbt_swag_free(simix_global->process_to_run);
xbt_swag_free(simix_global->process_to_destroy);
xbt_swag_free(simix_global->process_list);
simix_global->process_list = NULL;
+ simix_global->process_to_destroy = NULL;
xbt_dict_free(&(simix_global->registered_functions));
+ xbt_dict_free(&(simix_global->host));
/* Let's free maestro now */
- SIMIX_context_free(simix_global->maestro_process);
- free(simix_global->maestro_process);
+ SIMIX_context_free(simix_global->maestro_process->context);
+ xbt_free(simix_global->maestro_process->exception);
+ xbt_free(simix_global->maestro_process);
+ simix_global->maestro_process = NULL;
+
+ /* Restore the default exception setup */
+ __xbt_ex_ctx = &__xbt_ex_ctx_default;
+ __xbt_ex_terminate = &__xbt_ex_terminate_default;
/* Finish context module and SURF */
SIMIX_context_mod_exit();
+
surf_exit();
-
- free(simix_global);
+
+ xbt_free(simix_global);
simix_global = NULL;
-
+
return;
}
*
* \return Return the clock.
*/
-double SIMIX_get_clock(void)
+XBT_INLINE double SIMIX_get_clock(void)
{
return surf_get_clock();
}
*
* Must be called before the first call to SIMIX_solve()
*/
-void SIMIX_init(void)
+XBT_INLINE void SIMIX_init(void)
{
surf_presolve();
}
unsigned int iter;
double elapsed_time = 0.0;
static int state_modifications = 1;
+ int actions_on_system = 0;
- SIMIX_context_empty_trash();
- if (xbt_swag_size(simix_global->process_to_run) && (elapsed_time > 0)) {
+ SIMIX_process_empty_trash();
+ if (XBT_LOG_ISENABLED(simix_kernel,xbt_log_priority_debug) &&
+ 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_context_schedule(process);
+ SIMIX_process_schedule(process);
}
{
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;
+ }
}
-
- if (!state_modifications) {
+ /* 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;
args->data, args->hostname,
args->argc, args->argv,
args->properties);
- if (process && args->kill_time > SIMIX_get_clock()) {
+ /* 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_process_kill) {
+ } else 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);
+ } else if (fun == SIMIX_process_kill) {
process = arg;
- DEBUG2("Killing %s on %s", process->name,
- process->smx_host->name);
+ DEBUG2("Killing %s on %s", process->name, process->smx_host->name);
SIMIX_process_kill(process);
+ } else if (fun == simix_global->kill_process_function) {
+ process = arg;
+ (*simix_global->kill_process_function) (process);
+ } else {
+ THROW_IMPOSSIBLE;
}
}
/* 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) {
- xbt_fifo_unshift(actions_failed, 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) {
- xbt_fifo_unshift(actions_done, smx_action);
+ 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) {
* \param arg Parameters of the function
*
*/
-void SIMIX_timer_set(double date, void *function, void *arg)
+XBT_INLINE void SIMIX_timer_set(double date, void *function, void *arg)
{
surf_timer_model->extension.timer.set(date, function, arg);
}
-int SIMIX_timer_get(void **function, void **arg)
+XBT_INLINE int SIMIX_timer_get(void **function, void **arg)
{
return surf_timer_model->extension.timer.get(function, arg);
}
* \param function Create process function
*
*/
-void SIMIX_function_register_process_create(smx_creation_func_t function)
+XBT_INLINE void SIMIX_function_register_process_create(smx_creation_func_t function)
{
xbt_assert0((simix_global->create_process_function == NULL),
"Data already set");
* \param function Kill process function
*
*/
-void SIMIX_function_register_process_kill(void_f_pvoid_t function)
+XBT_INLINE void SIMIX_function_register_process_kill(void_f_pvoid_t function)
{
xbt_assert0((simix_global->kill_process_function == NULL),
"Data already set");
* \param function cleanup process function
*
*/
-void SIMIX_function_register_process_cleanup(void_f_pvoid_t function)
+XBT_INLINE void SIMIX_function_register_process_cleanup(void_f_pvoid_t function)
{
simix_global->cleanup_process_function = function;
}
