diff options
Diffstat (limited to 'libraries/eina/src/modules/mp/ememoa_fixed/eina_ememoa_fixed.c')
-rw-r--r-- | libraries/eina/src/modules/mp/ememoa_fixed/eina_ememoa_fixed.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/libraries/eina/src/modules/mp/ememoa_fixed/eina_ememoa_fixed.c b/libraries/eina/src/modules/mp/ememoa_fixed/eina_ememoa_fixed.c new file mode 100644 index 0000000..0d02f80 --- /dev/null +++ b/libraries/eina/src/modules/mp/ememoa_fixed/eina_ememoa_fixed.c | |||
@@ -0,0 +1,176 @@ | |||
1 | /* EINA - EFL data type library | ||
2 | * Copyright (C) 2008 Cedric BAIL | ||
3 | * | ||
4 | * This library is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU Lesser General Public | ||
6 | * License as published by the Free Software Foundation; either | ||
7 | * version 2.1 of the License, or (at your option) any later version. | ||
8 | * | ||
9 | * This library 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 GNU | ||
12 | * Lesser General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU Lesser General Public | ||
15 | * License along with this library; | ||
16 | * if not, see <http://www.gnu.org/licenses/>. | ||
17 | */ | ||
18 | |||
19 | #ifdef HAVE_CONFIG_H | ||
20 | # include "config.h" | ||
21 | #endif | ||
22 | |||
23 | #include <stdlib.h> | ||
24 | #include <string.h> | ||
25 | #include <ememoa_mempool_fixed.h> | ||
26 | |||
27 | #include "eina_inlist.h" | ||
28 | #include "eina_error.h" | ||
29 | #include "eina_module.h" | ||
30 | #include "eina_mempool.h" | ||
31 | |||
32 | #include "eina_private.h" | ||
33 | |||
34 | typedef struct _Eina_Ememoa_Fixed_Mempool Eina_Ememoa_Fixed_Mempool; | ||
35 | struct _Eina_Ememoa_Fixed_Mempool | ||
36 | { | ||
37 | struct ememoa_mempool_desc_s *desc; | ||
38 | int pool; | ||
39 | }; | ||
40 | |||
41 | static void * | ||
42 | eina_ememoa_fixed_malloc(void *data, __UNUSED__ unsigned int size) | ||
43 | { | ||
44 | Eina_Ememoa_Fixed_Mempool *efm = data; | ||
45 | |||
46 | return ememoa_mempool_fixed_pop_object(efm->pool); | ||
47 | } | ||
48 | |||
49 | static void | ||
50 | eina_ememoa_fixed_free(void *data, void *ptr) | ||
51 | { | ||
52 | Eina_Ememoa_Fixed_Mempool *efm = data; | ||
53 | |||
54 | ememoa_mempool_fixed_push_object(efm->pool, ptr); | ||
55 | } | ||
56 | |||
57 | static void * | ||
58 | eina_ememoa_fixed_realloc(__UNUSED__ void *data, | ||
59 | __UNUSED__ void *element, | ||
60 | __UNUSED__ unsigned int size) | ||
61 | { | ||
62 | return NULL; | ||
63 | } | ||
64 | |||
65 | static void | ||
66 | eina_ememoa_fixed_gc(void *data) | ||
67 | { | ||
68 | Eina_Ememoa_Fixed_Mempool *efm = data; | ||
69 | |||
70 | ememoa_mempool_fixed_garbage_collect(efm->pool); | ||
71 | } | ||
72 | |||
73 | static void | ||
74 | eina_ememoa_fixed_statistics(void *data) | ||
75 | { | ||
76 | Eina_Ememoa_Fixed_Mempool *efm = data; | ||
77 | |||
78 | ememoa_mempool_fixed_display_statistic(efm->pool); | ||
79 | (void)efm; | ||
80 | } | ||
81 | |||
82 | static void * | ||
83 | eina_ememoa_fixed_init(const char *context, | ||
84 | __UNUSED__ const char *option, | ||
85 | va_list args) | ||
86 | { | ||
87 | struct ememoa_mempool_desc_s *desc = NULL; | ||
88 | Eina_Ememoa_Fixed_Mempool *efm = NULL; | ||
89 | Eina_Bool thread_protect; | ||
90 | int context_length; | ||
91 | int item_size; | ||
92 | int pool_size; | ||
93 | |||
94 | if (context) | ||
95 | { | ||
96 | context_length = strlen(context) + 1; | ||
97 | |||
98 | desc = calloc(1, sizeof (struct ememoa_mempool_desc_s) + context_length); | ||
99 | if (!desc) | ||
100 | goto on_error; | ||
101 | |||
102 | desc->name = (char *)(desc + 1); | ||
103 | memcpy((char *)desc->name, context, context_length); | ||
104 | } | ||
105 | |||
106 | item_size = va_arg(args, int); | ||
107 | pool_size = va_arg(args, int); | ||
108 | thread_protect = va_arg(args, int); | ||
109 | |||
110 | efm = malloc(sizeof (Eina_Ememoa_Fixed_Mempool)); | ||
111 | if (!efm) | ||
112 | goto on_error; | ||
113 | |||
114 | efm->desc = desc; | ||
115 | efm->pool = ememoa_mempool_fixed_init( | ||
116 | item_size, | ||
117 | pool_size, | ||
118 | thread_protect ? | ||
119 | EMEMOA_THREAD_PROTECTION : 0, | ||
120 | efm->desc); | ||
121 | if (efm->pool < 0) | ||
122 | goto on_error; | ||
123 | |||
124 | return efm; | ||
125 | |||
126 | on_error: | ||
127 | if (desc) | ||
128 | free(desc); | ||
129 | |||
130 | if (efm) | ||
131 | free(efm); | ||
132 | |||
133 | return NULL; | ||
134 | } | ||
135 | |||
136 | static void | ||
137 | eina_ememoa_fixed_shutdown(void *data) | ||
138 | { | ||
139 | Eina_Ememoa_Fixed_Mempool *efm = data; | ||
140 | |||
141 | if (efm->desc) | ||
142 | free(efm->desc); | ||
143 | |||
144 | ememoa_mempool_fixed_clean(efm->pool); | ||
145 | free(efm); | ||
146 | } | ||
147 | |||
148 | static Eina_Mempool_Backend _eina_ememoa_mp_backend = { | ||
149 | .name = "ememoa_fixed", | ||
150 | .init = &eina_ememoa_fixed_init, | ||
151 | .shutdown = &eina_ememoa_fixed_shutdown, | ||
152 | .realloc = &eina_ememoa_fixed_realloc, | ||
153 | .alloc = &eina_ememoa_fixed_malloc, | ||
154 | .free = &eina_ememoa_fixed_free, | ||
155 | .garbage_collect = &eina_ememoa_fixed_gc, | ||
156 | .statistics = &eina_ememoa_fixed_statistics, | ||
157 | .repack = NULL | ||
158 | }; | ||
159 | |||
160 | Eina_Bool ememoa_fixed_init(void) | ||
161 | { | ||
162 | return eina_mempool_register(&_eina_ememoa_mp_backend); | ||
163 | } | ||
164 | |||
165 | void ememoa_fixed_shutdown(void) | ||
166 | { | ||
167 | eina_mempool_unregister(&_eina_ememoa_mp_backend); | ||
168 | } | ||
169 | |||
170 | |||
171 | #ifndef EINA_STATIC_BUILD_EMEMOA_FIXED | ||
172 | |||
173 | EINA_MODULE_INIT(ememoa_fixed_init); | ||
174 | EINA_MODULE_SHUTDOWN(ememoa_fixed_shutdown); | ||
175 | |||
176 | #endif /* ! EINA_STATIC_BUILD_EMEMOA_FIXED */ | ||