+++ /dev/null
-/* $Id$ */
-
-/* process - GRAS process handling (common code for RL and SG) */
-
-/* Copyright (c) 2003, 2004 Martin Quinson. 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. */
-
-#include "xbt/ex.h"
-#include "xbt/sysdep.h"
-#include "xbt/log.h"
-#include "gras/transport.h"
-#include "gras/datadesc.h"
-#include "gras/messages.h"
-#include "gras_modinter.h"
-
-#include "gras_simix/Virtu/gras_simix_virtu_private.h"
-
-XBT_LOG_NEW_SUBCATEGORY(gras_virtu,gras,"Virtualization code");
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_virtu_process,gras_virtu,"Process manipulation code");
-
-/* Functions to handle gras_procdata_t->libdata cells*/
-typedef struct {
- char *name;
- pvoid_f_void_t *constructor;
- void_f_pvoid_t *destructor;
-} s_gras_procdata_fabric_t, *gras_procdata_fabric_t;
-
-static xbt_dynar_t _gras_procdata_fabrics = NULL; /* content: s_gras_procdata_fabric_t */
-
-static void gras_procdata_fabric_free(void *fab) {
- free( ((gras_procdata_fabric_t)fab)->name );
-}
-
-/** @brief declare the functions in charge of creating/destructing the procdata of a module
- *
- * This is intended to be called from the gras_<module>_register function.
- * This returns the module ID you can use for gras_libdata_by_id()
- */
-int gras_procdata_add(const char *name, pvoid_f_void_t constructor,void_f_pvoid_t destructor) {
-
- gras_procdata_fabric_t fab;
-
- if (!_gras_procdata_fabrics) {
- /* create the dynar if needed */
- _gras_procdata_fabrics = xbt_dynar_new(sizeof(s_gras_procdata_fabric_t),
- gras_procdata_fabric_free);
- }
-
- fab=xbt_dynar_push_ptr(_gras_procdata_fabrics);
-
- fab->name = xbt_strdup(name);
- fab->constructor = constructor;
- fab->destructor = destructor;
-
- return xbt_dynar_length(_gras_procdata_fabrics)-1;
-}
-
-/* **************************************************************************
- * Process data
- * **************************************************************************/
-void *gras_userdata_get(void) {
- gras_procdata_t *pd=gras_procdata_get();
- return pd->userdata;
-}
-
-void gras_userdata_set(void *ud) {
- gras_procdata_t *pd=gras_procdata_get();
-
- pd->userdata = ud;
-}
-
-void *gras_libdata_by_name(const char *name) {
- gras_procdata_t *pd=gras_procdata_get();
- return gras_libdata_by_name_from_procdata(name,pd);
-}
-
-/* this function is splitted from previous to allow SG to get libdata from remote hosts */
-void *gras_libdata_by_name_from_procdata(const char*name, gras_procdata_t* pd) {
- void *res=NULL;
- xbt_ex_t e;
- if (xbt_set_length(pd->libdata) < xbt_dynar_length(_gras_procdata_fabrics)) {
- /* Damn, some new modules were added since procdata_init(). Amok? */
- /* Get 'em all */
- gras_procdata_init();
- }
- TRY {
- res = xbt_set_get_by_name(pd->libdata, name);
- } CATCH(e) {
- RETHROW1("Cannot retrieve the libdata associated to %s: %s",name);
- }
- return res;
-}
-
-void *gras_libdata_by_id(int id) {
- gras_procdata_t *pd=gras_procdata_get();
- if (xbt_set_length(pd->libdata) < xbt_dynar_length(_gras_procdata_fabrics)) {
- /* Damn, some new modules were added since procdata_init(). Amok? */
- /* Get 'em all */
- gras_procdata_init();
- }
- return xbt_set_get_by_id(pd->libdata, id);
-}
-
-
-void
-gras_procdata_init() {
- gras_procdata_t *pd=gras_procdata_get();
- s_gras_procdata_fabric_t fab;
-
- int cursor;
-
- xbt_ex_t e;
- xbt_set_elm_t elem;
-
- if (!pd->libdata) {
- pd->userdata = NULL;
- pd->libdata = xbt_set_new();
- }
-
- xbt_dynar_foreach(_gras_procdata_fabrics,cursor,fab){
- volatile int found = 0;
-
- if (cursor+1 <= xbt_set_length(pd->libdata)) {
- DEBUG2("Skip fabric %d: there is already %ld libdata",
- cursor, xbt_set_length(pd->libdata));
- continue; /* allow to recall this function to get recently added fabrics */
- }
- DEBUG2("Go ahead for cursor %d, there is %ld libdata",
- cursor,xbt_set_length(pd->libdata));
-
- xbt_assert1(fab.name,"Name of fabric #%d is NULL!",cursor);
- DEBUG1("Create the procdata for %s",fab.name);
- /* Check for our own errors */
- TRY {
- xbt_set_get_by_name(pd->libdata, fab.name);
- found = 1;
- } CATCH(e) {
- xbt_ex_free(e);
- found = 0;
- }
- if (found)
- THROW1(unknown_error,0,"MayDay: two modules use '%s' as libdata name", fab.name);
-
- /* Add the data in place, after some more sanity checking */
- elem = (fab.constructor)();
- if (elem->name_len && elem->name_len != strlen(elem->name)) {
- elem->name_len = strlen(elem->name);
- WARN1("Module '%s' constructor is borken: it does not set elem->name_len",
- fab.name);
- }
- xbt_set_add(pd->libdata, elem, fab.destructor);
- }
-}
-
-void
-gras_procdata_exit() {
- int len;
- gras_procdata_t *pd=gras_procdata_get();
-
- xbt_set_free(&( pd->libdata ));
-
- /* Remove procdata in reverse order wrt creation */
- while ((len=xbt_dynar_length(_gras_procdata_fabrics))) {
- xbt_dynar_remove_at(_gras_procdata_fabrics,len-1,NULL);
- }
- xbt_dynar_free( & _gras_procdata_fabrics );
-}
