Commit | Line | Data |
---|---|---|
6dc2ca62 | 1 | /* |
d79865b9 | 2 | * BabelTrace - Converter |
6dc2ca62 MD |
3 | * |
4 | * Types registry. | |
5 | * | |
de0ba614 | 6 | * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
6dc2ca62 | 7 | * |
de0ba614 MD |
8 | * This library is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
12 | * | |
13 | * This library is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
19 | * License along with this library; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
6dc2ca62 MD |
21 | */ |
22 | ||
23 | #include <ctf/ctf-types.h> | |
24 | #include <glib.h> | |
d1708134 MD |
25 | #include <errno.h> |
26 | ||
d1708134 MD |
27 | /* |
28 | * Type class hash table contains the registered type classes. Type class | |
29 | * registration is typically performed by a plugin. | |
30 | * TODO: support plugin unload (unregistration of type classes). | |
31 | */ | |
32 | GHashTable *type_classes; | |
33 | ||
34 | struct type_class *ctf_lookup_type_class(GQuark qname) | |
35 | { | |
36 | return g_hash_table_lookup(type_classes, | |
37 | (gconstpointer) (unsigned long) qname) | |
38 | } | |
39 | ||
40 | int ctf_register_type_class(const char *name, | |
41 | void (*read)(), | |
42 | void (*write)()) | |
43 | { | |
44 | struct type_class tc = g_new(struct type_class, 1); | |
45 | GQuark qname = g_quark_from_string(name); | |
46 | ||
47 | if (ctf_lookup_type_class(qname)) | |
48 | return -EEXIST; | |
49 | ||
50 | g_hash_table_insert(type_classes, | |
51 | (gconstpointer) (unsigned long) qname, | |
52 | tc); | |
53 | return 0; | |
54 | } | |
55 | ||
56 | int ctf_init_types(void) | |
57 | { | |
58 | type_classes = g_hash_table_new_full(g_direct_hash, g_direct_equal, | |
59 | NULL, g_free); | |
60 | if (!type_classes) | |
61 | return -ENOMEM; | |
62 | return 0; | |
63 | } | |
64 | ||
65 | int ctf_finalize_types(void) | |
66 | { | |
67 | g_hash_table_destroy(type_classes); | |
68 | } |