1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* ion/ioncore/return.h
*
* Copyright (c) Tuomo Valkonen 1999-2007.
*
* See the included file LICENSE for details.
*/
#include <libtu/rb.h>
#include <libmainloop/defer.h>
#include "common.h"
#include "global.h"
#include "region.h"
#include "pholder.h"
#include "return.h"
/*{{{ Storage tree */
static Rb_node retrb=NULL;
/*}}}*/
/*{{{ Set */
bool region_do_set_return(WRegion *reg, WPHolder *ph)
{
Rb_node node;
assert(!OBJ_IS_BEING_DESTROYED(reg));
region_unset_return(reg);
if(retrb==NULL){
retrb=make_rb();
if(retrb==NULL)
return FALSE;
}
node=rb_insertp(retrb, reg, ph);
region_notify_change(reg, ioncore_g.notifies.set_return);
return (node!=NULL);
}
WPHolder *region_make_return_pholder(WRegion *reg)
{
WRegion *mgr=region_manager(reg);
if(mgr==NULL)
return NULL;
return region_managed_get_pholder(mgr, reg);
}
/*
extern WPHolder *region_set_return(WRegion *reg)
{
WPHolder *ph=region_make_return_pholder(reg);
if(ph!=NULL){
if(region_do_set_return(reg, ph))
return ph;
destroy_obj((Obj*)ph);
}
return NULL;
}
*/
/*}}}*/
/*{{{ Get */
Rb_node do_find(WRegion *reg)
{
int found=0;
Rb_node node;
if(retrb==NULL)
return NULL;
node=rb_find_pkey_n(retrb, reg, &found);
return (found ? node : NULL);
}
WPHolder *region_do_get_return(WRegion *reg)
{
Rb_node node=do_find(reg);
return (node!=NULL ? (WPHolder*)node->v.val : NULL);
}
WPHolder *region_get_return(WRegion *reg)
{
/* Should managers be scanned? */
return region_do_get_return(reg);
}
/*}}}*/
/*{{{ Unset */
static WPHolder *do_remove_node(Rb_node node)
{
WPHolder *ph=(WPHolder*)node->v.val;
rb_delete_node(node);
return ph;
}
WPHolder *region_unset_get_return(WRegion *reg)
{
Rb_node node;
node=do_find(reg);
if(node!=NULL){
region_notify_change(reg, ioncore_g.notifies.unset_return);
return do_remove_node(node);
}else{
return NULL;
}
}
void region_unset_return(WRegion *reg)
{
WPHolder *ph=region_unset_get_return(reg);
if(ph!=NULL)
mainloop_defer_destroy((Obj*)ph);
}
/*}}}*/
|
