src/common/rcm.c

/*
 * Copyright (C) 2004  Dizzy (dizzy@roedu.net)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include "common/setup_before.h"
#ifdef HAVE_ASSERT_H
# include <assert.h>
#endif
#include "common/xalloc.h"
#include "common/elist.h"
#include "common/rcm.h"
#include "common/setup_after.h"

extern void rcm_init(t_rcm *rcm)
{
    assert(rcm);

    elist_init(&rcm->refs);
    rcm->count = 0;
}

extern void rcm_regref_init(t_rcm_regref *regref, t_chref_cb cb, void *data)
{
    assert(regref);

    elist_init(&regref->refs_link);
    regref->chref = cb;
    regref->data = data;
}

extern void rcm_get(t_rcm *rcm, t_rcm_regref *regref)
{
    assert(rcm);
    assert(regref);

    rcm->count++;
    elist_add_tail(&rcm->refs,&regref->refs_link);
}

extern void rcm_put(t_rcm *rcm, t_rcm_regref *regref)
{
    assert(rcm);
    assert(regref);
    assert(rcm->count); /* might use eventlog but I want this stopped fast */

    rcm->count--;
    elist_del(&regref->refs_link);
}

extern void rcm_chref(t_rcm *rcm, void *newref)
{
    t_elist *curr, *save;
    t_rcm_regref *regref;

    assert(rcm);

    elist_for_each_safe(curr,&rcm->refs,save) {
        regref = elist_entry(curr,t_rcm_regref,refs_link);
        if (regref->chref) regref->chref(regref->data,newref);
    }
}
1	/*
2	* Copyright (C) 2004 Dizzy (dizzy@roedu.net)
3	*
4	* This program is free software; you can redistribute it and/or
5	* modify it under the terms of the GNU General Public License
6	* as published by the Free Software Foundation; either version 2
7	* of the License, or (at your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful,
10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	* GNU General Public License for more details.
13	*
14	* You should have received a copy of the GNU General Public License
15	* along with this program; if not, write to the Free Software
16	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17	*/
18
19	#include "common/setup_before.h"
20	#ifdef HAVE_ASSERT_H
21	# include <assert.h>
22	#endif
23	#include "common/xalloc.h"
24	#include "common/elist.h"
25	#include "common/rcm.h"
26	#include "common/setup_after.h"
27
28	extern void rcm_init(t_rcm *rcm)
29	{
30	assert(rcm);
31
32	elist_init(&rcm->refs);
33	rcm->count = 0;
34	}
35
36	extern void rcm_regref_init(t_rcm_regref regref, t_chref_cb cb, void data)
37	{
38	assert(regref);
39
40	elist_init(&regref->refs_link);
41	regref->chref = cb;
42	regref->data = data;
43	}
44
45	extern void rcm_get(t_rcm rcm, t_rcm_regref regref)
46	{
47	assert(rcm);
48	assert(regref);
49
50	rcm->count++;
51	elist_add_tail(&rcm->refs,&regref->refs_link);
52	}
53
54	extern void rcm_put(t_rcm rcm, t_rcm_regref regref)
55	{
56	assert(rcm);
57	assert(regref);
58	assert(rcm->count); /* might use eventlog but I want this stopped fast */
59
60	rcm->count--;
61	elist_del(&regref->refs_link);
62	}
63
64	extern void rcm_chref(t_rcm rcm, void newref)
65	{
66	t_elist curr, save;
67	t_rcm_regref *regref;
68
69	assert(rcm);
70
71	elist_for_each_safe(curr,&rcm->refs,save) {
72	regref = elist_entry(curr,t_rcm_regref,refs_link);
73	if (regref->chref) regref->chref(regref->data,newref);
74	}
75	}
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