src/ucx/mempool.c

Sun, 07 Aug 2022 13:46:43 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 07 Aug 2022 13:46:43 +0200
branch
webdav
changeset 366
47bc686fafe4
parent 254
4784c14aa639
permissions
-rw-r--r--

add new dav config element

91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
4 * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
29 #include "ucx/mempool.h"
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
30
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 #include <stdlib.h>
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 #include <string.h>
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 #include <stdio.h>
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
34 #ifdef __cplusplus
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35 #define __STDC_FORMAT_MACROS
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 #endif
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37 #include <inttypes.h>
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39 /** Capsule for destructible memory chunks. */
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 typedef struct {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41 /** The destructor for the memory chunk. */
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 ucx_destructor destructor;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43 /**
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44 * First byte of the memory chunk.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 * Note, that the address <code>&amp;c</code> is also the address
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
46 * of the whole memory chunk.
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47 */
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 char c;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49 } ucx_memchunk;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
51 /** Capsule for data and its destructor. */
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52 typedef struct {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
53 /** The destructor for the data. */
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
54 ucx_destructor destructor;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
55 /** A pointer to the data. */
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
56 void *ptr;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
57 } ucx_regdestr;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
59 #ifdef __cplusplus
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
60 extern "C"
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
61 #endif
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
62 void ucx_mempool_shared_destr(void* ptr) {
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 ucx_regdestr *rd = (ucx_regdestr*)ptr;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64 rd->destructor(rd->ptr);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67 UcxMempool *ucx_mempool_new(size_t n) {
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
68 size_t poolsz;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
69 if(ucx_szmul(n, sizeof(void*), &poolsz)) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
70 return NULL;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
71 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
72
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
73 UcxMempool *pool = (UcxMempool*)malloc(sizeof(UcxMempool));
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
74 if (!pool) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75 return NULL;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
76 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
77
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
78 pool->data = (void**) malloc(poolsz);
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
79 if (pool->data == NULL) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
80 free(pool);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81 return NULL;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 pool->ndata = 0;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85 pool->size = n;
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
86
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
87 UcxAllocator *allocator = (UcxAllocator*)malloc(sizeof(UcxAllocator));
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
88 if(!allocator) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
89 free(pool->data);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
90 free(pool);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
91 return NULL;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
92 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
93 allocator->malloc = (ucx_allocator_malloc)ucx_mempool_malloc;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
94 allocator->calloc = (ucx_allocator_calloc)ucx_mempool_calloc;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
95 allocator->realloc = (ucx_allocator_realloc)ucx_mempool_realloc;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
96 allocator->free = (ucx_allocator_free)ucx_mempool_free;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
97 allocator->pool = pool;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
98 pool->allocator = allocator;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
99
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100 return pool;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
103 int ucx_mempool_chcap(UcxMempool *pool, size_t newcap) {
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
104 if (newcap < pool->ndata) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
105 return 1;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
106 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
107
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
108 size_t newcapsz;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
109 if(ucx_szmul(newcap, sizeof(void*), &newcapsz)) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
110 return 1;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
111 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
112
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
113 void **data = (void**) realloc(pool->data, newcapsz);
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
114 if (data) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
115 pool->data = data;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
116 pool->size = newcap;
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
117 return 0;
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
118 } else {
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
119 return 1;
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
120 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
121 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
122
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
123 void *ucx_mempool_malloc(UcxMempool *pool, size_t n) {
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
124 if(((size_t)-1) - sizeof(ucx_destructor) < n) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
125 return NULL;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
126 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
127
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
128 if (pool->ndata >= pool->size) {
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
129 size_t newcap = pool->size*2;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
130 if (newcap < pool->size || ucx_mempool_chcap(pool, newcap)) {
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
131 return NULL;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
132 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
133 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
134
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
135 void *p = malloc(sizeof(ucx_destructor) + n);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
136 ucx_memchunk *mem = (ucx_memchunk*)p;
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
137 if (!mem) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
138 return NULL;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
139 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
140
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
141 mem->destructor = NULL;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
142 pool->data[pool->ndata] = mem;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
143 pool->ndata++;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
144
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
145 return &(mem->c);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
146 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
147
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
148 void *ucx_mempool_calloc(UcxMempool *pool, size_t nelem, size_t elsize) {
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
149 size_t msz;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
150 if(ucx_szmul(nelem, elsize, &msz)) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
151 return NULL;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
152 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
153
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
154 void *ptr = ucx_mempool_malloc(pool, msz);
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
155 if (!ptr) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
156 return NULL;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
157 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
158 memset(ptr, 0, nelem * elsize);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
159 return ptr;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
160 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
161
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
162 void *ucx_mempool_realloc(UcxMempool *pool, void *ptr, size_t n) {
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
163 if(((size_t)-1) - sizeof(ucx_destructor) < n) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
164 return NULL;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
165 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
166
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
167 char *mem = ((char*)ptr) - sizeof(ucx_destructor);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
168 char *newm = (char*) realloc(mem, n + sizeof(ucx_destructor));
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
169 if (!newm) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
170 return NULL;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
171 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
172 if (mem != newm) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
173 for(size_t i=0 ; i < pool->ndata ; i++) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
174 if(pool->data[i] == mem) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
175 pool->data[i] = newm;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
176 return newm + sizeof(ucx_destructor);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
177 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
178 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
179 fprintf(stderr, "FATAL: 0x%08" PRIxPTR" not in mpool 0x%08" PRIxPTR"\n",
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
180 (intptr_t)ptr, (intptr_t)pool);
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
181 abort();
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
182 } else {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
183 return newm + sizeof(ucx_destructor);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
184 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
185 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
186
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
187 void ucx_mempool_free(UcxMempool *pool, void *ptr) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
188 ucx_memchunk *chunk = (ucx_memchunk*)((char*)ptr-sizeof(ucx_destructor));
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
189 for(size_t i=0 ; i<pool->ndata ; i++) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
190 if(chunk == pool->data[i]) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
191 if(chunk->destructor != NULL) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
192 chunk->destructor(&(chunk->c));
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
193 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
194 free(chunk);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
195 size_t last_index = pool->ndata - 1;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
196 if(i != last_index) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
197 pool->data[i] = pool->data[last_index];
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
198 pool->data[last_index] = NULL;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
199 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
200 pool->ndata--;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
201 return;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
202 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
203 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
204 fprintf(stderr, "FATAL: 0x%08" PRIxPTR" not in mpool 0x%08" PRIxPTR"\n",
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
205 (intptr_t)ptr, (intptr_t)pool);
254
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
206 abort();
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
207 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
208
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
209 void ucx_mempool_destroy(UcxMempool *pool) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
210 ucx_memchunk *chunk;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
211 for(size_t i=0 ; i<pool->ndata ; i++) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
212 chunk = (ucx_memchunk*) pool->data[i];
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
213 if(chunk) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
214 if(chunk->destructor) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
215 chunk->destructor(&(chunk->c));
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
216 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
217 free(chunk);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
218 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
219 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
220 free(pool->data);
99
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 91
diff changeset
221 free(pool->allocator);
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
222 free(pool);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
223 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
224
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
225 void ucx_mempool_set_destr(void *ptr, ucx_destructor func) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
226 *(ucx_destructor*)((char*)ptr-sizeof(ucx_destructor)) = func;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
227 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
228
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
229 void ucx_mempool_reg_destr(UcxMempool *pool, void *ptr, ucx_destructor destr) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
230 ucx_regdestr *rd = (ucx_regdestr*)ucx_mempool_malloc(
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
231 pool,
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
232 sizeof(ucx_regdestr));
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
233 rd->destructor = destr;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
234 rd->ptr = ptr;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
235 ucx_mempool_set_destr(rd, ucx_mempool_shared_destr);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
236 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
237

mercurial