#include "xbt/log.h"
#include "xbt/dict.h"
#include "msg/mailbox.h"
+#include "mc/mc.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_process, simix,
"Logging specific to SIMIX (process)");
-static unsigned long simix_process_count = 0;
+unsigned long simix_process_maxpid = 0;
/**
* \brief Returns the current agent.
*/
XBT_INLINE smx_process_t SIMIX_process_self(void)
{
- if(simix_global)
- return SIMIX_context_self();
- return NULL;
+ smx_context_t self_context = SIMIX_context_self();
+
+ return self_context ? SIMIX_context_get_data(self_context) : NULL;
}
/**
*/
void SIMIX_process_cleanup(smx_process_t process)
{
- DEBUG1("Cleanup process %s", process->name);
- xbt_swag_remove(process, simix_global->process_to_run);
+ XBT_DEBUG("Cleanup process %s", process->name);
+ /*xbt_swag_remove(process, simix_global->process_to_run);*/
xbt_swag_remove(process, simix_global->process_list);
xbt_swag_remove(process, process->smx_host->process_list);
xbt_swag_insert(process, simix_global->process_to_destroy);
void SIMIX_create_maestro_process()
{
smx_process_t maestro = NULL;
-
+
/* Create maestro process and intilialize it */
maestro = xbt_new0(s_smx_process_t, 1);
- maestro->pid = simix_process_count++;
+ maestro->pid = simix_process_maxpid++;
maestro->name = (char *) "";
maestro->running_ctx = xbt_new(xbt_running_ctx_t, 1);
XBT_RUNNING_CTX_INITIALIZE(maestro->running_ctx);
maestro->context = SIMIX_context_new(NULL, 0, NULL, NULL, maestro);
+ maestro->request.issuer = maestro;
simix_global->maestro_process = maestro;
- simix_global->current_process = maestro;
-
return;
}
smx_process_t SIMIX_process_create_from_wrapper(smx_process_arg_t args) {
smx_process_t process;
-
- if (simix_global->create_process_function) {
- process = simix_global->create_process_function(args->name,
- args->code,
- args->data,
- args->hostname,
- args->argc,
- args->argv,
- args->properties);
- }
- else {
- process = SIMIX_process_create(args->name,
- args->code,
- args->data,
- args->hostname,
- args->argc,
- args->argv,
- args->properties);
- }
- // FIXME: to simplify this, simix_global->create_process_function could just
- // be SIMIX_process_create() by default (and the same thing in smx_deployment.c)
+ simix_global->create_process_function(
+ &process,
+ args->name,
+ args->code,
+ args->data,
+ args->hostname,
+ args->argc,
+ args->argv,
+ args->properties);
return process;
}
*
* \return the process created
*/
-smx_process_t SIMIX_process_create(const char *name,
- xbt_main_func_t code,
- void *data,
- const char *hostname,
- int argc, char **argv,
- xbt_dict_t properties) {
-
- smx_process_t process = NULL;
+void SIMIX_process_create(smx_process_t *process,
+ const char *name,
+ xbt_main_func_t code,
+ void *data,
+ const char *hostname,
+ int argc, char **argv,
+ xbt_dict_t properties) {
+
+ *process = NULL;
smx_host_t host = SIMIX_host_get_by_name(hostname);
- DEBUG2("Start process %s on host %s", name, hostname);
+ XBT_DEBUG("Start process %s on host %s", name, hostname);
if (!SIMIX_host_get_state(host)) {
- WARN2("Cannot launch process '%s' on failed host '%s'", name,
+ XBT_WARN("Cannot launch process '%s' on failed host '%s'", name,
hostname);
}
else {
- process = xbt_new0(s_smx_process_t, 1);
+ *process = xbt_new0(s_smx_process_t, 1);
- xbt_assert0(((code != NULL) && (host != NULL)), "Invalid parameters");
+ xbt_assert(((code != NULL) && (host != NULL)), "Invalid parameters");
/* Process data */
- process->pid = simix_process_count++;
- process->name = xbt_strdup(name);
- process->smx_host = host;
- process->iwannadie = 0;
- process->data = data;
+ (*process)->pid = simix_process_maxpid++;
+ (*process)->name = xbt_strdup(name);
+ (*process)->smx_host = host;
+ (*process)->data = data;
- VERB1("Create context %s", process->name);
- process->context = SIMIX_context_new(code, argc, argv,
- simix_global->cleanup_process_function, process);
+ XBT_VERB("Create context %s", (*process)->name);
+ (*process)->context = SIMIX_context_new(code, argc, argv,
+ simix_global->cleanup_process_function, *process);
- process->running_ctx = xbt_new(xbt_running_ctx_t, 1);
- XBT_RUNNING_CTX_INITIALIZE(process->running_ctx);
+ (*process)->running_ctx = xbt_new(xbt_running_ctx_t, 1);
+ XBT_RUNNING_CTX_INITIALIZE((*process)->running_ctx);
/* Add properties */
- process->properties = properties;
+ (*process)->properties = properties;
/* Add the process to it's host process list */
- xbt_swag_insert(process, host->process_list);
+ xbt_swag_insert(*process, host->process_list);
- DEBUG1("Start context '%s'", process->name);
+ XBT_DEBUG("Start context '%s'", (*process)->name);
/* Now insert it in the global process list and in the process to run list */
- xbt_swag_insert(process, simix_global->process_list);
- DEBUG2("Inserting %s(%s) in the to_run list", process->name, host->name);
- xbt_swag_insert(process, simix_global->process_to_run);
+ xbt_swag_insert(*process, simix_global->process_list);
+ XBT_DEBUG("Inserting %s(%s) in the to_run list", (*process)->name, host->name);
+ xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, *process);
}
-
- return process;
}
/**
*
* \param process poor victim
*/
-void SIMIX_process_kill(smx_process_t process, smx_process_t killer) {
+void SIMIX_process_kill(smx_process_t process) {
- DEBUG2("Killing process %s on %s", process->name, process->smx_host->name);
+ XBT_DEBUG("Killing process %s on %s", process->name, process->smx_host->name);
- process->iwannadie = 1;
+ process->context->iwannadie = 1;
process->blocked = 0;
process->suspended = 0;
/* FIXME: set doexception to 0 also? */
-
+
if (process->waiting_action) {
switch (process->waiting_action->type) {
break;
case SIMIX_ACTION_SYNCHRO:
- SIMIX_synchro_stop_waiting(process, process->request);
+ SIMIX_synchro_stop_waiting(process, &process->request);
SIMIX_synchro_destroy(process->waiting_action);
break;
}
}
- /* If I'm killing myself then stop, otherwise schedule the process to kill. */
- if (process == killer) {
- SIMIX_context_stop(process->context);
- }
- else {
- xbt_swag_insert(process, simix_global->process_to_run);
- }
+ xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, process);
}
/**
* \brief Kills all running processes.
- *
- * Only maestro can kill everyone.
+ * \param issuer this one will not be killed
*/
-void SIMIX_process_killall(void)
+void SIMIX_process_killall(smx_process_t issuer)
{
smx_process_t p = NULL;
- while ((p = xbt_swag_extract(simix_global->process_list)))
- SIMIX_process_kill(p, SIMIX_process_self());
+ while ((p = xbt_swag_extract(simix_global->process_list))) {
+ if (p != issuer) {
+ SIMIX_process_kill(p);
+ }
+ }
+
+ SIMIX_context_runall(simix_global->process_to_run);
SIMIX_process_empty_trash();
}
void SIMIX_process_change_host(smx_process_t process,
- const char *source, const char *dest)
+ smx_host_t dest)
+{
+ xbt_assert((process != NULL), "Invalid parameters");
+ xbt_swag_remove(process, process->smx_host->process_list);
+ process->smx_host = dest;
+ xbt_swag_insert(process, dest->process_list);
+}
+
+void SIMIX_pre_process_change_host(smx_process_t process, smx_host_t dest)
{
- smx_host_t h1 = NULL;
- smx_host_t h2 = NULL;
- xbt_assert0((process != NULL), "Invalid parameters");
- h1 = SIMIX_host_get_by_name(source);
- h2 = SIMIX_host_get_by_name(dest);
- process->smx_host = h2;
- xbt_swag_remove(process, h1->process_list);
- xbt_swag_insert(process, h2->process_list);
+ process->new_host = dest;
}
void SIMIX_pre_process_suspend(smx_req_t req)
void SIMIX_process_suspend(smx_process_t process, smx_process_t issuer)
{
- xbt_assert0(process, "Invalid parameters");
-
process->suspended = 1;
/* If we are suspending another process, and it is waiting on an action,
void SIMIX_process_resume(smx_process_t process, smx_process_t issuer)
{
- xbt_assert0((process != NULL), "Invalid parameters");
+ xbt_assert((process != NULL), "Invalid parameters");
process->suspended = 0;
if (process->waiting_action) {
- switch(process->waiting_action->type) {
+ switch (process->waiting_action->type) {
case SIMIX_ACTION_EXECUTE:
case SIMIX_ACTION_PARALLEL_EXECUTE:
SIMIX_host_execution_resume(process->waiting_action);
break;
-
+
case SIMIX_ACTION_COMMUNICATE:
SIMIX_comm_resume(process->waiting_action);
break;
-
+
case SIMIX_ACTION_SLEEP:
SIMIX_process_sleep_resume(process->waiting_action);
break;
-
+
default:
THROW_IMPOSSIBLE;
}
- } else {
- xbt_swag_insert(process, simix_global->process_to_run);
+ }
+ else {
+ xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, process);
}
}
}
+int SIMIX_process_get_maxpid(void) {
+ return simix_process_maxpid;
+}
+
int SIMIX_process_count(void)
{
return xbt_swag_size(simix_global->process_list);
return process->name;
}
-int SIMIX_process_is_suspended(smx_process_t process)
+smx_process_t SIMIX_process_get_by_name(const char* name)
{
- return process->suspended;
+ smx_process_t proc;
+
+ xbt_swag_foreach(proc, simix_global->process_list)
+ {
+ if(!strcmp(name, proc->name))
+ return proc;
+ }
+ return NULL;
}
-int SIMIX_process_is_enabled(smx_process_t process)
+int SIMIX_process_is_suspended(smx_process_t process)
{
- if(process->request && SIMIX_request_isEnabled(process->request))
- return TRUE;
-
- return FALSE;
+ return process->suspended;
}
xbt_dict_t SIMIX_process_get_properties(smx_process_t process)
void SIMIX_pre_process_sleep(smx_req_t req)
{
-#ifdef HAVE_MC
- if(_surf_do_model_check){
+ if (MC_IS_ENABLED) {
+ MC_process_clock_add(req->issuer, req->process_sleep.duration);
req->process_sleep.result = SIMIX_DONE;
SIMIX_request_answer(req);
+ return;
}
-#endif
smx_action_t action = SIMIX_process_sleep(req->issuer, req->process_sleep.duration);
xbt_fifo_push(action->request_list, req);
req->issuer->waiting_action = action;
/* check if the host is active */
if (surf_workstation_model->extension.
workstation.get_state(host->host) != SURF_RESOURCE_ON) {
- THROW1(host_error, 0, "Host %s failed, you cannot call this function",
+ THROWF(host_error, 0, "Host %s failed, you cannot call this function",
host->name);
}
- action = xbt_new0(s_smx_action_t, 1);
+ action = xbt_mallocator_get(simix_global->action_mallocator);
action->type = SIMIX_ACTION_SLEEP;
- action->request_list = xbt_fifo_new();
- action->name = xbt_strdup("sleep");
+ action->name = NULL;
#ifdef HAVE_TRACING
action->category = NULL;
#endif
surf_workstation_model->extension.workstation.sleep(host->host, duration);
surf_workstation_model->action_data_set(action->sleep.surf_sleep, action);
- DEBUG1("Create sleep action %p", action);
+ XBT_DEBUG("Create sleep action %p", action);
return action;
}
void SIMIX_post_process_sleep(smx_action_t action)
{
- e_smx_state_t state = SIMIX_action_map_state(surf_workstation_model->action_state_get(action->sleep.surf_sleep));
smx_req_t req;
+ e_smx_state_t state;
while ((req = xbt_fifo_shift(action->request_list))) {
+
+ switch(surf_workstation_model->action_state_get(action->sleep.surf_sleep)){
+ case SURF_ACTION_FAILED:
+ state = SIMIX_SRC_HOST_FAILURE;
+ break;
+
+ case SURF_ACTION_DONE:
+ state = SIMIX_DONE;
+ break;
+
+ default:
+ THROW_IMPOSSIBLE;
+ break;
+ }
req->process_sleep.result = state;
req->issuer->waiting_action = NULL;
SIMIX_request_answer(req);
}
-
SIMIX_process_sleep_destroy(action);
}
void SIMIX_process_sleep_destroy(smx_action_t action)
{
- DEBUG1("Destroy action %p", action);
- if (action->name)
- xbt_free(action->name);
+ XBT_DEBUG("Destroy action %p", action);
if (action->sleep.surf_sleep)
action->sleep.surf_sleep->model_type->action_unref(action->sleep.surf_sleep);
#ifdef HAVE_TRACING
TRACE_smx_action_destroy(action);
#endif
- xbt_fifo_free(action->request_list);
- xbt_free(action);
+ xbt_mallocator_release(simix_global->action_mallocator, action);
}
void SIMIX_process_sleep_suspend(smx_action_t action)
void SIMIX_process_yield(void)
{
smx_process_t self = SIMIX_process_self();
-
- DEBUG1("Yield process '%s'", self->name);
-
+
+ XBT_DEBUG("Yield process '%s'", self->name);
+
/* Go into sleep and return control to maestro */
SIMIX_context_suspend(self->context);
/* Ok, maestro returned control to us */
- DEBUG1("Maestro returned control to me: '%s'", self->name);
-
- if (self->iwannadie)
+ XBT_DEBUG("Maestro returned control to me: '%s'", self->name);
+
+ if (self->context->iwannadie){
+ XBT_DEBUG("I wanna die!");
SIMIX_context_stop(self->context);
+ }
if (self->doexception) {
- DEBUG0("Wait, maestro left me an exception");
+ XBT_DEBUG("Wait, maestro left me an exception");
self->doexception = 0;
RETHROW;
}
+
+ if (self->new_host) {
+ SIMIX_process_change_host(self, self->new_host);
+ self->new_host = NULL;
+ }
}
/* callback: context fetching */
xbt_running_ctx_t *SIMIX_process_get_running_context(void)
{
- return simix_global->current_process->running_ctx;
+ return SIMIX_process_self()->running_ctx;
}
/* callback: termination */
xbt_ex_display(e);
abort();
}
+
+smx_context_t SIMIX_process_get_context(smx_process_t p) {
+ return p->context;
+}
+
+void SIMIX_process_set_context(smx_process_t p,smx_context_t c) {
+ p->context = c;
+}