+++ /dev/null
-/* process - GRAS process handling (common code for RL and SG) */
-
-/* Copyright (c) 2004, 2005, 2006, 2007, 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. */
-
-#include "xbt/ex.h"
-#include "xbt/sysdep.h"
-#include "xbt/log.h"
-#include "gras/transport.h"
-#include "xbt/datadesc.h"
-#include "gras/messages.h"
-#include "gras_modinter.h"
-
-#include "gras/Virtu/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;
- return 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;
- 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_ANONYMOUS {
- RETHROWF("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;
-
- unsigned int cursor;
-
- xbt_set_elm_t elem;
-
- if (!pd->libdata) {
- pd->userdata = NULL;
- pd->libdata = xbt_set_new();
- }
-
- xbt_dynar_foreach(_gras_procdata_fabrics, cursor, fab) {
-
- if (cursor + 1 <= xbt_set_length(pd->libdata)) {
- XBT_DEBUG("Skip fabric %u: there is already %lu libdata",
- cursor, xbt_set_length(pd->libdata));
- continue; /* allow to recall this function to get recently added fabrics */
- }
- XBT_DEBUG("Go ahead for cursor %u, there is %lu libdata",
- cursor, xbt_set_length(pd->libdata));
-
- xbt_assert(fab.name, "Name of fabric #%u is NULL!", cursor);
- XBT_DEBUG("Create the procdata for %s", fab.name);
- /* Check for our own errors */
-
- if (xbt_set_get_by_name_or_null(pd->libdata, fab.name) != NULL)
- THROWF(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);
- XBT_WARN
- ("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);
-}
-
-
-const char *gras_os_hostport()
-{
- static char *res = NULL;
- free(res); /* my port may have changed */
- res = bprintf("%s:%d", gras_os_myname(), gras_os_myport());
- return (const char *) res;
-}
