-/* $Id$ */
+//* $Id$ */
/* Copyright (c) 2002,2003,2004 Arnaud Legrand. All rights reserved. */
{
xbt_swag_remove(arg, simix_global->process_list);
xbt_swag_remove(arg, simix_global->process_to_run);
- xbt_swag_remove(arg, ((smx_process_t) arg)->simdata->host->simdata->process_list);
+ xbt_swag_remove(arg,
+ ((smx_process_t) arg)->simdata->s_host->simdata->
+ process_list);
free(((smx_process_t) arg)->name);
((smx_process_t) arg)->name = NULL;
* \return The new corresponding object.
*/
smx_process_t SIMIX_process_create(const char *name,
- smx_process_code_t code, void *data,
- const char * hostname, int argc, char **argv, void * clean_process_function)
+ xbt_main_func_t code, void *data,
+ const char *hostname, int argc,
+ char **argv)
{
- smx_simdata_process_t simdata = xbt_new0(s_smx_simdata_process_t,1);
- smx_process_t process = xbt_new0(s_smx_process_t,1);
+ smx_simdata_process_t simdata = xbt_new0(s_smx_simdata_process_t, 1);
+ smx_process_t process = xbt_new0(s_smx_process_t, 1);
smx_process_t self = NULL;
- smx_host_t host = SIMIX_host_get_by_name(hostname);
+ smx_host_t host = SIMIX_host_get_by_name(hostname);
xbt_assert0(((code != NULL) && (host != NULL)), "Invalid parameters");
/* Simulator Data */
- simdata->host = host;
- simdata->mutex = NULL;
- simdata->cond = NULL;
+ simdata->s_host = host;
+ simdata->mutex = NULL;
+ simdata->cond = NULL;
simdata->argc = argc;
simdata->argv = argv;
- if (clean_process_function) {
- simdata->context = xbt_context_new(code, NULL, NULL,
- clean_process_function, process,
- simdata->argc, simdata->argv);
- }
- else {
- simdata->context = xbt_context_new(code, NULL, NULL,
- SIMIX_process_cleanup, process,
- simdata->argc, simdata->argv);
- }
+ simdata->context = xbt_context_new(code, NULL, NULL,
+ simix_global->
+ cleanup_process_function, process,
+ simdata->argc, simdata->argv);
/* Process structure */
process->name = xbt_strdup(name);
xbt_swag_insert(process, host->simdata->process_list);
- /* *************** FIX du current_process !!! *************** */
+ /* fix current_process, about which xbt_context_start mocks around */
self = simix_global->current_process;
xbt_context_start(process->simdata->context);
simix_global->current_process = self;
- 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);
+ DEBUG2("Inserting %s(%s) in the to_run list", process->name, host->name);
+ xbt_swag_insert(process, simix_global->process_to_run);
return process;
}
+/**
+ * \brief Creates and runs a new #smx_process_t hosting a JAVA thread
+ *
+ * Warning: this should only be used in libsimgrid4java, since it create
+ * a context with no code, which leads to segfaults in plain libsimgrid
+ */
+void SIMIX_jprocess_create(const char *name, smx_host_t host,
+ void *data,
+ void *jprocess, void *jenv, smx_process_t * res)
+{
+ smx_simdata_process_t simdata = xbt_new0(s_smx_simdata_process_t, 1);
+ smx_process_t process = xbt_new0(s_smx_process_t, 1);
+ smx_process_t self = NULL;
+
+ /* HACK: We need this trick because when we xbt_context_new() do
+ syncronization stuff, the s_process field in the m_process needs
+ to have a valid value, and we call xbt_context_new() before
+ returning, of course, ie, before providing a right value to the
+ caller (Java_simgrid_msg_Msg_processCreate) have time to store it
+ in place. This way, we initialize the m_process->simdata->s_process
+ field ourself ASAP.
+
+ All this would be much simpler if the synchronization stuff would be done
+ in the JAVA world, I think.
+ */
+ *res = process;
+
+
+
+ DEBUG5("jprocess_create(name=%s,host=%p,data=%p,jproc=%p,jenv=%p)",
+ name, host, data, jprocess, jenv);
+ xbt_assert0(host, "Invalid parameters");
+ /* Simulator Data */
+ simdata->s_host = host;
+ simdata->mutex = NULL;
+ simdata->cond = NULL;
+ simdata->argc = 0;
+ simdata->argv = NULL;
+
+ simdata->context = xbt_context_new(NULL, NULL, NULL,
+ simix_global->
+ cleanup_process_function, process,
+ /* argc/argv */ 0, NULL);
+
+ /* Process structure */
+ process->name = xbt_strdup(name);
+ process->simdata = simdata;
+ process->data = data;
+ SIMIX_process_set_jprocess(process, jprocess);
+ SIMIX_process_set_jenv(process, jenv);
+
+ xbt_swag_insert(process, host->simdata->process_list);
+
+ /* fix current_process, about which xbt_context_start mocks around */
+ self = simix_global->current_process;
+ xbt_context_start(process->simdata->context);
+ simix_global->current_process = self;
+
+ 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);
+
+}
+
/** \brief Kill a SIMIX process
*
- * This function simply kills a \a process... scarry isn't it ? :). Removes it from the mutex or condition that it can be blocked.
+ * This function simply kills a \a process... scarry isn't it ? :).
* \param process poor victim
*
*/
void SIMIX_process_kill(smx_process_t process)
-{
+{
smx_simdata_process_t p_simdata = process->simdata;
- DEBUG2("Killing %s on %s",process->name, p_simdata->host->name);
-
- if (p_simdata->mutex) {
- xbt_swag_remove(process,p_simdata->mutex->sleeping);
- }
- if (p_simdata->cond) {
- xbt_swag_remove(process,p_simdata->cond->sleeping);
- }
- xbt_swag_remove(process,simix_global->process_to_run);
- xbt_swag_remove(process,simix_global->process_list);
+ DEBUG2("Killing process %s on %s", process->name,
+ p_simdata->s_host->name);
+
+ /* Cleanup if we were waiting for something */
+ if (p_simdata->mutex)
+ xbt_swag_remove(process, p_simdata->mutex->sleeping);
+
+ if (p_simdata->cond)
+ xbt_swag_remove(process, p_simdata->cond->sleeping);
+
+ xbt_swag_remove(process, simix_global->process_to_run);
+ xbt_swag_remove(process, simix_global->process_list);
+ DEBUG2("%p here! killing %p", simix_global->current_process, process);
xbt_context_kill(process->simdata->context);
- if(process==SIMIX_process_self()) {
+ if (process == SIMIX_process_self()) {
/* I just killed myself */
xbt_context_yield();
}
* \param process SIMIX process
* \param data User data
*/
-void SIMIX_process_set_data(smx_process_t process,void *data)
+void SIMIX_process_set_data(smx_process_t process, void *data)
{
xbt_assert0((process != NULL), "Invalid parameters");
- xbt_assert0((process->data == NULL), "Data already set");
-
+ //xbt_assert0((process->data == NULL), "Data already set");
+
process->data = data;
-
- return ;
+
+ return;
}
/**
*/
smx_host_t SIMIX_process_get_host(smx_process_t process)
{
- xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters");
+ xbt_assert0(((process != NULL)
+ && (process->simdata)), "Invalid parameters");
- return (process->simdata->host);
+ return (process->simdata->s_host);
}
/**
*/
const char *SIMIX_process_get_name(smx_process_t process)
{
- xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters");
+ xbt_assert0(((process != NULL)
+ && (process->simdata)), "Invalid parameters");
return (process->name);
}
/**
* \brief Suspend the process.
*
- * This functions suspend the process by suspending the action on which it was waiting for the completion.
- * \param process SIMIX process
+ * This functions suspend the process by suspending the action on
+ * which it was waiting for the completion.
+ *
+ * \param process SIMIX process
*/
void SIMIX_process_suspend(smx_process_t process)
{
smx_simdata_process_t simdata = NULL;
-
+
xbt_assert0(((process) && (process->simdata)), "Invalid parameters");
- if(process!=SIMIX_process_self()) {
+ if (process != SIMIX_process_self()) {
simdata = process->simdata;
-
- if (simdata->mutex) {
- /* process blocked on a mutex, only set suspend=1 */
- simdata->suspended = 1;
- }
- else if (simdata->cond){
- /* process blocked cond, suspend all actions */
-
- /* temporaries variables */
- smx_cond_t c;
- xbt_fifo_item_t i;
- smx_action_t act;
-
- simdata->suspended = 1;
- c = simdata->cond;
- xbt_fifo_foreach(c->actions,i,act, smx_action_t) {
- surf_workstation_resource->common_public->suspend(act->simdata->surf_action);
- }
- }
- else {
- simdata->suspended = 1;
- }
+
+ if (simdata->mutex) {
+ /* process blocked on a mutex, only set suspend=1 */
+ simdata->suspended = 1;
+ } else if (simdata->cond) {
+ /* process blocked cond, suspend all actions */
+
+ /* temporaries variables */
+ smx_cond_t c;
+ xbt_fifo_item_t i;
+ smx_action_t act;
+
+ simdata->suspended = 1;
+ c = simdata->cond;
+ xbt_fifo_foreach(c->actions, i, act, smx_action_t) {
+ surf_workstation_resource->common_public->suspend(act->simdata->
+ surf_action);
+ }
+ } else {
+ simdata->suspended = 1;
+ }
+ } else {
+ /* process executing, I can create an action and suspend it */
+ process->simdata->suspended = 1;
+ smx_action_t dummy;
+ smx_cond_t cond;
+ char name[] = "dummy";
+
+ cond = SIMIX_cond_init();
+ dummy = SIMIX_action_execute(SIMIX_process_get_host(process), name, 0);
+ surf_workstation_resource->common_public->set_priority(dummy->simdata->
+ surf_action,
+ 0.0);
+ SIMIX_register_action_to_condition(dummy, cond);
+ __SIMIX_cond_wait(cond);
+ //SIMIX_action_destroy(dummy);
+ //SIMIX_cond_destroy(cond);
}
- else {
- /* process executing, I can create an action and suspend it */
- process->simdata->suspended = 1;
- smx_action_t dummy;
- smx_cond_t cond;
- char name[] = "dummy";
-
- cond = SIMIX_cond_init();
- dummy = SIMIX_action_execute(SIMIX_process_get_host(process), name, 0);
- surf_workstation_resource->common_public->set_priority(dummy->simdata->surf_action,0.0);
- SIMIX_register_condition_to_action(dummy,cond);
- SIMIX_register_action_to_condition(dummy,cond);
- __SIMIX_cond_wait(cond);
- //SIMIX_action_destroy(dummy);
- //SIMIX_cond_destroy(cond);
- }
- return ;
+ return;
}
/**
{
smx_simdata_process_t simdata = NULL;
- xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters");
- CHECK_HOST();
+ xbt_assert0(((process != NULL)
+ && (process->simdata)), "Invalid parameters");
+ SIMIX_CHECK_HOST();
- if(process == SIMIX_process_self()) {
- return;
+ if (process == SIMIX_process_self()) {
+ return;
}
simdata = process->simdata;
- if(simdata->mutex) {
- DEBUG0("Resume process blocked on a mutex");
- simdata->suspended = 0; /* He'll wake up by itself */
- return;
+ if (simdata->mutex) {
+ DEBUG0("Resume process blocked on a mutex");
+ simdata->suspended = 0; /* He'll wake up by itself */
+ return;
+ } else if (simdata->cond) {
+ DEBUG0("Resume process blocked on a conditional");
+ /* temporaries variables */
+ smx_cond_t c;
+ xbt_fifo_item_t i;
+ smx_action_t act;
+ simdata->suspended = 0;
+ c = simdata->cond;
+ xbt_fifo_foreach(c->actions, i, act, smx_action_t) {
+ surf_workstation_resource->common_public->resume(act->simdata->
+ surf_action);
+ }
+ return;
+ } else {
+ simdata->suspended = 0;
+ xbt_swag_insert(process, simix_global->process_to_run);
}
- else if (simdata->cond) {
- DEBUG0("Resume process blocked on a conditional");
- /* temporaries variables */
- smx_cond_t c;
- xbt_fifo_item_t i;
- smx_action_t act;
- simdata->suspended = 0;
- c = simdata->cond;
- xbt_fifo_foreach(c->actions,i,act, smx_action_t) {
- surf_workstation_resource->common_public->resume(act->simdata->surf_action);
- }
- return;
- }
- else {
- simdata->suspended = 0;
- xbt_swag_insert(process,simix_global->process_to_run);
- }
}
*/
int SIMIX_process_is_suspended(smx_process_t process)
{
- xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters");
+ xbt_assert0(((process != NULL)
+ && (process->simdata)), "Invalid parameters");
return (process->simdata->suspended);
}
+/* Helper functions for jMSG: manipulate the context data without breaking the module separation */
+#include "xbt/context.h" /* to pass java objects from MSG to the context */
+
+void SIMIX_process_set_jprocess(smx_process_t process, void *jp)
+{
+ xbt_context_set_jprocess(process->simdata->context, jp);
+}
+
+void *SIMIX_process_get_jprocess(smx_process_t process)
+{
+ return xbt_context_get_jprocess(process->simdata->context);
+}
+
+void SIMIX_process_set_jmutex(smx_process_t process, void *jm)
+{
+ xbt_context_set_jmutex(process->simdata->context, jm);
+}
+
+void *SIMIX_process_get_jmutex(smx_process_t process)
+{
+ return xbt_context_get_jmutex(process->simdata->context);
+}
+
+void SIMIX_process_set_jcond(smx_process_t process, void *jc)
+{
+ xbt_context_set_jcond(process->simdata->context, jc);
+}
+void *SIMIX_process_get_jcond(smx_process_t process)
+{
+ return xbt_context_get_jcond(process->simdata->context);
+}
+
+void SIMIX_process_set_jenv(smx_process_t process, void *je)
+{
+ xbt_context_set_jenv(process->simdata->context, je);
+}
+
+void *SIMIX_process_get_jenv(smx_process_t process)
+{
+ return xbt_context_get_jenv(process->simdata->context);
+}
