3 /* process - GRAS process handling (common code for RL and SG) */
5 /* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
7 /* This program is free software; you can redistribute it and/or modify it
8 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "xbt/sysdep.h"
13 #include "gras/transport.h"
14 #include "gras/datadesc.h"
15 #include "gras/messages.h"
16 #include "gras_modinter.h"
18 #include "gras/Virtu/virtu_private.h"
20 XBT_LOG_NEW_SUBCATEGORY(virtu,gras,"Virtualization code");
21 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(process,virtu,"Process manipulation code");
24 /* Functions to handle gras_procdata_t->libdata cells*/
27 pvoid_f_void_t *creator;
28 void_f_pvoid_t *destructor;
29 } s_gras_procdata_fabric_t, *gras_procdata_fabric_t;
31 static xbt_dynar_t _gras_procdata_fabrics = NULL; /* content: s_gras_procdata_fabric_t */
33 static void gras_procdata_fabric_free(void *fab) {
34 free( ((gras_procdata_fabric_t)fab)->name );
37 /** @brief declare the functions in charge of creating/destructing the procdata of a module
39 * This is intended to be called from the gras_<module>_register function.
41 void gras_procdata_add(const char *name, pvoid_f_void_t creator,void_f_pvoid_t destructor) {
43 gras_procdata_fabric_t fab;
45 if (!_gras_procdata_fabrics) {
46 /* create the dynar if needed */
47 _gras_procdata_fabrics = xbt_dynar_new(sizeof(s_gras_procdata_fabric_t),
48 gras_procdata_fabric_free);
51 fab=xbt_dynar_push_ptr(_gras_procdata_fabrics);
53 fab->name = xbt_strdup(name);
54 fab->creator = creator;
55 fab->destructor = destructor;
58 /* **************************************************************************
60 * **************************************************************************/
61 void *gras_userdata_get(void) {
62 gras_procdata_t *pd=gras_procdata_get();
66 void gras_userdata_set(void *ud) {
67 gras_procdata_t *pd=gras_procdata_get();
72 void *gras_libdata_get(const char *name) {
73 gras_procdata_t *pd=gras_procdata_get();
78 res = xbt_dict_get(pd->libdata, name);
80 RETHROW1("Cannot retrive the libdata associated to %s: %s",name);
86 gras_procdata_init() {
87 gras_procdata_t *pd=gras_procdata_get();
88 s_gras_procdata_fabric_t fab;
96 pd->libdata = xbt_dict_new();
98 xbt_dynar_foreach(_gras_procdata_fabrics,cursor,fab){
101 xbt_assert1(fab.name,"Name of fabric #%d is NULL!",cursor);
102 DEBUG1("Create the procdata for %s",fab.name);
103 /* Check for our own errors */
105 data = xbt_dict_get(pd->libdata, fab.name);
111 THROW1(unknown_error,0,"MayDay: two modules use '%s' as libdata name", fab.name);
113 /* Add the data in place */
114 xbt_dict_set(pd->libdata, fab.name, (fab.creator)(), fab.destructor);
119 gras_procdata_exit() {
121 gras_procdata_t *pd=gras_procdata_get();
123 xbt_dict_free(&( pd->libdata ));
125 /* Remove procdata in reverse order wrt creation */
126 while ((len=xbt_dynar_length(_gras_procdata_fabrics))) {
127 xbt_dynar_remove_at(_gras_procdata_fabrics,len-1,NULL);
129 xbt_dynar_free( & _gras_procdata_fabrics );