src/server/util/pool.c

Sat, 03 Dec 2022 16:31:08 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 03 Dec 2022 16:31:08 +0100
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parent 415
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use separate buffer for chunked transfer encoding, not inbuf

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
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5 *
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6 * THE BSD LICENSE
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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10 *
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11 * Redistributions of source code must retain the above copyright notice, this
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12 * list of conditions and the following disclaimer.
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13 * Redistributions in binary form must reproduce the above copyright notice,
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14 * this list of conditions and the following disclaimer in the documentation
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15 * and/or other materials provided with the distribution.
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16 *
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17 * Neither the name of the nor the names of its contributors may be
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18 * used to endorse or promote products derived from this software without
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19 * specific prior written permission.
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20 *
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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25 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 */
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33
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34 /*
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35 * Generic pool handling routines.
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36 *
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37 * These routines reduce contention on the heap and guard against
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38 * memory leaks.
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39 *
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40 * Thread warning:
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41 * This implementation is thread safe. However, simultaneous
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42 * mallocs/frees to the same "pool" are not safe. Do not share
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43 * pools across multiple threads without providing your own
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44 * synchronization.
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45 *
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46 * Mike Belshe
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47 * 11-20-95
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48 *
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49 */
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50
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51 //include "netsite.h"
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52 //include "systems.h"
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53 #include "systhr.h"
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54 #include "pool_pvt.h"
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55 //include "ereport.h"
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56 //include "base/session.h"
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57 //include "frame/req.h"
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58 //include "frame/http.h"
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59 #include "util.h"
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60 //include "base/crit.h"
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61
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62 //include "base/dbtbase.h"
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63
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64
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65
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66 #include <stdlib.h>
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67 #include <string.h>
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68 #include <limits.h>
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69 //define PERM_MALLOC malloc
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70 //define PERM_FREE free
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71 //define PERM_REALLOC realloc
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72 //define PERM_CALLOC calloc
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73 //define PERM_STRDUP strdup
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74
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75 /* Pool configuration parameters */
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76 static pool_config_t pool_config = POOL_CONFIG_INIT;
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77
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78 /* Pool global statistics */
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79 static pool_global_stats_t pool_global_stats;
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80
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81 /* ucx allocator pool class */
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82 static cx_allocator_class pool_allocator_class = {
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83 (void *(*)(void *,size_t )) pool_malloc,
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84 (void *(*)(void *,void *, size_t )) pool_realloc,
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85 (void *(*)(void *,size_t ,size_t )) pool_calloc,
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86 (void (*)(void *, void *))pool_free
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87 };
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88
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89 static int
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90 pool_internal_init()
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91 {
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92 //if (pool_global_stats.lock == NULL) {
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93 // pool_global_stats.lock = PR_NewLock(); // TODO: remove
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94 //}
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95
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96 if (pool_config.block_size == 0) {
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97 //ereport(LOG_INFORM, XP_GetAdminStr(DBT_poolInitInternalAllocatorDisabled_));
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98 }
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99
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100 return 0;
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101 }
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102
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103 #define POOL_MIN_BLOCKSIZE 128
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104
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105 NSAPI_PUBLIC int
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106 pool_init(pblock *pb, Session *sn, Request *rq)
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107 {
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108 //char *str_block_size = pblock_findval("block-size", pb);
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109 //char *str_pool_disable = pblock_findval("disable", pb);
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110 char *str_block_size = "16384";
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111 char *str_pool_disable = "false";
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112 int n;
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113
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114 //printf("standard block size: %d\n", pool_config.block_size);
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115
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116 if (str_block_size != NULL) {
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117 int64_t value;
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118 if(!util_strtoint(str_block_size, &value)) {
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119 log_ereport(LOG_MISCONFIG, "pool-init: param 'block-size' is not an integer");
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120 return REQ_ABORTED;
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121 }
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122 if(value > INT_MAX) {
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123 log_ereport(LOG_MISCONFIG, "pool-init: block-size is too big");
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124 return REQ_ABORTED;
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125 }
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126 if(value < POOL_MIN_BLOCKSIZE) {
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127 log_ereport(LOG_MISCONFIG, "pool-init: block-size is too small");
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128 return REQ_ABORTED;
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129 }
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130 pool_config.block_size = value;
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131 }
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132
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133 if (str_pool_disable && util_getboolean(str_pool_disable, PR_TRUE)) {
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134 /* We'll call PERM_MALLOC() on each pool_malloc() call */
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135 pool_config.block_size = 0;
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136 pool_config.retain_size = 0;
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137 pool_config.retain_num = 0;
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138 }
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139
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140 pool_internal_init();
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141
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142 return REQ_PROCEED;
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143 }
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144
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145 CxAllocator* pool_allocator(pool_handle_t *pool) {
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146 return &((pool_t *)pool)->allocator;
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147 }
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148
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149 static block_t *
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150 _create_block(pool_t *pool, int size)
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151 {
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152 block_t *newblock;
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153 char *newdata;
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154 block_t **blk_ptr;
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155 long blen;
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156
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157 /* Does the pool have any retained blocks on its free list? */
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158 for (blk_ptr = &pool->free_blocks;
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parents:
diff changeset
159 (newblock = *blk_ptr) != NULL; blk_ptr = &newblock->next) {
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parents:
diff changeset
160
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parents:
diff changeset
161 /* Yes, is this block large enough? */
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parents:
diff changeset
162 blen = newblock->end - newblock->data;
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parents:
diff changeset
163 if (blen >= size) {
3c066d52342d added source
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parents:
diff changeset
164
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parents:
diff changeset
165 /* Yes, take it off the free list */
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parents:
diff changeset
166 *blk_ptr = newblock->next;
3c066d52342d added source
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parents:
diff changeset
167 pool->free_size -= blen;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
168 --pool->free_num;
3c066d52342d added source
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parents:
diff changeset
169
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parents:
diff changeset
170 /* Give the block to the caller */
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parents:
diff changeset
171 newblock->start = newblock->data;
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parents:
diff changeset
172 goto done;
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parents:
diff changeset
173 }
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parents:
diff changeset
174 }
3c066d52342d added source
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parents:
diff changeset
175
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parents:
diff changeset
176 newblock = (block_t *)PERM_MALLOC(sizeof(block_t));
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diff changeset
177 newdata = (char *)PERM_MALLOC(size);
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parents:
diff changeset
178 if (newblock == NULL || (newdata == NULL && size != 0)) {
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parents:
diff changeset
179 //ereport(LOG_CATASTROPHE,
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parents:
diff changeset
180 // XP_GetAdminStr(DBT_poolCreateBlockOutOfMemory_));
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parents:
diff changeset
181 PERM_FREE(newblock);
3c066d52342d added source
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parents:
diff changeset
182 PERM_FREE(newdata);
29
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parents: 14
diff changeset
183 //PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
1
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parents:
diff changeset
184 return NULL;
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parents:
diff changeset
185 }
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parents:
diff changeset
186 newblock->data = newdata;
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diff changeset
187 newblock->start = newblock->data;
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diff changeset
188 newblock->end = newblock->data + size;
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189 newblock->next = NULL;
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diff changeset
190 blen = size;
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parents:
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191
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parents:
diff changeset
192 #ifdef POOL_GLOBAL_STATISTICS
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193 PR_AtomicIncrement((PRInt32 *)&pool_global_stats.blkAlloc);
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parents:
diff changeset
194 #endif /* POOL_GLOBAL_STATISTICS */
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195
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parents:
diff changeset
196 done:
3c066d52342d added source
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diff changeset
197
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parents:
diff changeset
198 #ifdef PER_POOL_STATISTICS
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diff changeset
199 ++pool->stats.blkAlloc;
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parents:
diff changeset
200 #endif /* PER_POOL_STATISTICS */
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parents:
diff changeset
201
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parents:
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202 return newblock;
3c066d52342d added source
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parents:
diff changeset
203 }
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parents:
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204
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parents:
diff changeset
205 static void
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206 _free_block(block_t *block)
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parents:
diff changeset
207 {
71
069c152f6272 ucx update
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parents: 40
diff changeset
208 #ifdef POOL_ZERO_DEBUG
1
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parents:
diff changeset
209 long blen = block->end - block->data;
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diff changeset
210 memset(block->data, POOL_ZERO_DEBUG, blen);
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diff changeset
211 #endif /* POOL_ZERO_DEBUG */
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parents:
diff changeset
212
3c066d52342d added source
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parents:
diff changeset
213 PERM_FREE(block->data);
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parents:
diff changeset
214
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parents:
diff changeset
215 #ifdef POOL_ZERO_DEBUG
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parents:
diff changeset
216 memset(block, POOL_ZERO_DEBUG, sizeof(block));
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parents:
diff changeset
217 #endif /* POOL_ZERO_DEBUG */
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parents:
diff changeset
218
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parents:
diff changeset
219 PERM_FREE(block);
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parents:
diff changeset
220
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parents:
diff changeset
221 #ifdef POOL_GLOBAL_STATISTICS
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parents:
diff changeset
222 PR_AtomicIncrement((PRInt32 *)&pool_global_stats.blkFree);
3c066d52342d added source
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parents:
diff changeset
223 #endif /* POOL_GLOBAL_STATISTICS */
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parents:
diff changeset
224 }
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parents:
diff changeset
225
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parents:
diff changeset
226 /* ptr_in_pool()
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parents:
diff changeset
227 * Checks to see if the given pointer is in the given pool.
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diff changeset
228 * If true, returns a ptr to the block_t containing the ptr;
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diff changeset
229 * otherwise returns NULL
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parents:
diff changeset
230 */
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parents:
diff changeset
231 block_t *
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parents:
diff changeset
232 _ptr_in_pool(pool_t *pool, const void *ptr)
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parents:
diff changeset
233 {
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parents:
diff changeset
234 block_t *block_ptr = NULL;
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parents:
diff changeset
235
3c066d52342d added source
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parents:
diff changeset
236 /* try to find a block which contains this ptr */
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parents:
diff changeset
237
3c066d52342d added source
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parents:
diff changeset
238 if (POOL_PTR_IN_BLOCK(pool->curr_block, ptr)) {
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parents:
diff changeset
239 block_ptr = pool->curr_block;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
240 }
3c066d52342d added source
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parents:
diff changeset
241 else {
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parents:
diff changeset
242 for (block_ptr = pool->used_blocks; block_ptr; block_ptr = block_ptr->next) {
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parents:
diff changeset
243 if (POOL_PTR_IN_BLOCK(block_ptr, ptr))
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parents:
diff changeset
244 break;
3c066d52342d added source
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parents:
diff changeset
245 }
3c066d52342d added source
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parents:
diff changeset
246 }
3c066d52342d added source
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parents:
diff changeset
247 return block_ptr;
3c066d52342d added source
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parents:
diff changeset
248 }
3c066d52342d added source
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parents:
diff changeset
249
3c066d52342d added source
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parents:
diff changeset
250
3c066d52342d added source
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parents:
diff changeset
251 NSAPI_PUBLIC pool_handle_t *
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parents:
diff changeset
252 pool_create()
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parents:
diff changeset
253 {
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parents:
diff changeset
254 pool_t *newpool;
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parents:
diff changeset
255
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parents:
diff changeset
256 newpool = (pool_t *)PERM_MALLOC(sizeof(pool_t));
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parents:
diff changeset
257
3c066d52342d added source
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parents:
diff changeset
258 if (newpool) {
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parents:
diff changeset
259 /* Have to initialize now, as pools get created sometimes
3c066d52342d added source
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parents:
diff changeset
260 * before pool_init can be called...
3c066d52342d added source
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parents:
diff changeset
261 */
40
56cda23f48d4 removed NSPR
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parents: 29
diff changeset
262 //if (pool_global_stats.lock == NULL) { // TODO: remove
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
263 // pool_internal_init();
56cda23f48d4 removed NSPR
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parents: 29
diff changeset
264 //}
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 339
diff changeset
265
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 339
diff changeset
266 newpool->allocator.cl = &pool_allocator_class;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 339
diff changeset
267 newpool->allocator.data = newpool;
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 339
diff changeset
268
1
3c066d52342d added source
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parents:
diff changeset
269 newpool->used_blocks = NULL;
3c066d52342d added source
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parents:
diff changeset
270 newpool->free_blocks = NULL;
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parents:
diff changeset
271 newpool->free_size = 0;
3c066d52342d added source
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parents:
diff changeset
272 newpool->free_num = 0;
3c066d52342d added source
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parents:
diff changeset
273 newpool->size = 0;
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parents:
diff changeset
274 newpool->next = NULL;
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parents:
diff changeset
275
3c066d52342d added source
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parents:
diff changeset
276 #ifdef PER_POOL_STATISTICS
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parents:
diff changeset
277 /* Initial per pool statistics */
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parents:
diff changeset
278 memset((void *)(&newpool->stats), 0, sizeof(newpool->stats));
3c066d52342d added source
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parents:
diff changeset
279 newpool->stats.thread = PR_GetCurrentThread();
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parents:
diff changeset
280 newpool->stats.created = PR_Now();
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parents:
diff changeset
281 #endif /* PER_POOL_STATISTICS */
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parents:
diff changeset
282
3c066d52342d added source
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parents:
diff changeset
283 /* No need to lock, since pool has not been exposed yet */
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parents:
diff changeset
284 newpool->curr_block =_create_block(newpool, pool_config.block_size);
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parents:
diff changeset
285 if (newpool->curr_block == NULL) {
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parents:
diff changeset
286 //ereport(LOG_CATASTROPHE, XP_GetAdminStr(DBT_poolCreateOutOfMemory_));
3c066d52342d added source
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parents:
diff changeset
287 pool_destroy((pool_handle_t *)newpool);
29
e8619defde14 added event handler
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parents: 14
diff changeset
288 //PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
1
3c066d52342d added source
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parents:
diff changeset
289 return NULL;
3c066d52342d added source
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parents:
diff changeset
290 }
3c066d52342d added source
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parents:
diff changeset
291
3c066d52342d added source
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parents:
diff changeset
292 /* Add to known pools list */
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
293
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
294 // NOTICE:
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
295 // known pools list removed
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
296
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
297 //PR_Lock(pool_global_stats.lock);
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
298 //newpool->next = pool_global_stats.poolList;
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
299 //pool_global_stats.poolList = newpool;
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
300 //++pool_global_stats.createCnt;
1
3c066d52342d added source
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parents:
diff changeset
301 #ifdef PER_POOL_STATISTICS
3c066d52342d added source
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parents:
diff changeset
302 newpool->stats.poolId = pool_global_stats.createCnt;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
303 #endif /* PER_POOL_STATISTICS */
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
304 //PR_Unlock(pool_global_stats.lock);
1
3c066d52342d added source
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parents:
diff changeset
305
3c066d52342d added source
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parents:
diff changeset
306 }
3c066d52342d added source
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parents:
diff changeset
307 else {
3c066d52342d added source
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parents:
diff changeset
308 //ereport(LOG_CATASTROPHE, XP_GetAdminStr(DBT_poolCreateOutOfMemory_1));
29
e8619defde14 added event handler
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
309 //PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
1
3c066d52342d added source
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parents:
diff changeset
310 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
311
3c066d52342d added source
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parents:
diff changeset
312 return (pool_handle_t *)newpool;
3c066d52342d added source
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parents:
diff changeset
313 }
3c066d52342d added source
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parents:
diff changeset
314
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
315 /*
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
316 * pool_mark - get mark for subsequent recycle
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
317 *
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
318 * This function returns a value that can be used to free all pool
3c066d52342d added source
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parents:
diff changeset
319 * memory which is subsequently allocated, without freeing memory
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
320 * that has already been allocated when pool_mark() is called.
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
321 * The pool_recycle() function is used to free the memory allocated
3c066d52342d added source
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parents:
diff changeset
322 * since pool_mark() was called.
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
323 *
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
324 * This function may be called several times before pool_recycle()
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
325 * is called, but some care must be taken not to pass an invalid
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
326 * mark value to pool_recycle(), which would cause all pool memory
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
327 * to be freed. A mark value becomes invalid when pool_recycle is
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
328 * called with a previously returned mark value.
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
329 */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
330 NSAPI_PUBLIC void *
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
331 pool_mark(pool_handle_t *pool_handle)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
332 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
333 pool_t *pool = (pool_t *)pool_handle;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
334
40
56cda23f48d4 removed NSPR
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parents: 29
diff changeset
335 //PR_ASSERT(pool != NULL);
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
336
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
337 if (pool == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
338 return NULL;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
339
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
340 #ifdef PER_POOL_STATISTICS
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
341 pool->stats.thread = PR_GetCurrentThread();
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
342 #endif /* PER_POOL_STATISTICS */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
343
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
344 /* Never return end as it points outside the block */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
345 if (pool->curr_block->start == pool->curr_block->end)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
346 return pool->curr_block;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
347
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
348 return (void *)(pool->curr_block->start);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
349 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
350
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
351 /*
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
352 * pool_recycle - recycle memory in a pool
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
353 *
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
354 * This function returns all the allocated memory for a pool back to
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
355 * a free list associated with the pool. It is like pool_destroy() in
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
356 * the sense that all data structures previously allocated from the
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
357 * pool are freed, but it keeps the memory associated with the pool,
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
358 * and doesn't actually destroy the pool.
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
359 *
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
360 * The "mark" argument can be a value previously returned by
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
361 * pool_mark(), in which case the pool is returned to the state it
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
362 * was in when pool_mark() was called, or it can be NULL, in which
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
363 * case the pool is completely recycled.
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
364 */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
365 NSAPI_PUBLIC void
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
366 pool_recycle(pool_handle_t *pool_handle, void *mark)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
367 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
368 pool_t *pool = (pool_t *)pool_handle;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
369 block_t *tmp_blk;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
370 unsigned long blen;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
371
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
372 //PR_ASSERT(pool != NULL);
1
3c066d52342d added source
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parents:
diff changeset
373
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
374 if (pool == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
375 return;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
376
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
377 /* Fix up curr_block. There should always be a curr_block. */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
378 tmp_blk = pool->curr_block;
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
379 //PR_ASSERT(tmp_blk != NULL);
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
380
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
381 /* Start with curr_block, then scan blocks on used_blocks list */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
382 for (;;) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
383
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
384 /* Check if the mark is at the end of this block */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
385 if (tmp_blk == mark) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
386 pool->curr_block = tmp_blk;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
387 break;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
388 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
389
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
390 /* Look for a block containing the mark */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
391 if (POOL_PTR_IN_BLOCK(tmp_blk, mark)) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
392
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
393 /* Reset block start pointer to marked spot */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
394 if (tmp_blk == pool->curr_block) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
395 blen = tmp_blk->start - (char *)mark;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
396 } else {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
397 blen = tmp_blk->end - (char *)mark;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
398 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
399 pool->size -= blen;
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
400 //PR_ASSERT(pool->size >= 0);
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
401 tmp_blk->start = (char *)mark;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
402 pool->curr_block = tmp_blk;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
403 break;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
404 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
405
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
406 /* Reset block start pointer to base of block */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
407 if (tmp_blk == pool->curr_block) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
408 /* Count just the allocated length in the current block */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
409 blen = tmp_blk->start - tmp_blk->data;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
410 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
411 else {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
412 /* Count the entire size of a used_block */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
413 blen = tmp_blk->end - tmp_blk->data;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
414 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
415 tmp_blk->start = tmp_blk->data;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
416 pool->size -= blen;
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
417 //PR_ASSERT(pool->size >= 0);
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
418
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
419 /*
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
420 * If there are no more used blocks after this one, then set
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
421 * this block up as the current block and return.
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
422 */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
423 if (pool->used_blocks == NULL) {
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
424 //PR_ASSERT(mark == NULL);
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
425 pool->curr_block = tmp_blk;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
426 break;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
427 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
428
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
429 /* Otherwise free this block one way or another */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
430
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
431 /* Add block length to total retained length and check limit */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
432 if ((pool->free_size + blen) <= pool_config.retain_size &&
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
433 pool->free_num < pool_config.retain_num) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
434
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
435 /* Retain block on pool free list */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
436 /*
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
437 * XXX hep - could sort blocks on free list in order
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
438 * ascending size to get "best fit" allocation in
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
439 * _create_block(), but the default block size is large
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
440 * enough that fit should rarely be an issue.
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
441 */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
442 tmp_blk->next = pool->free_blocks;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
443 pool->free_blocks = tmp_blk;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
444 pool->free_size += blen;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
445 ++pool->free_num;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
446 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
447 else {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
448 /* Limit exceeded - free block */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
449 _free_block(tmp_blk);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
450 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
451
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
452 #ifdef PER_POOL_STATISTICS
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
453 //++pool->stats.blkFree;
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
454 #endif /* PER_POOL_STATISTICS */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
455
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
456 /* Remove next block from used blocks list */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
457 tmp_blk = pool->used_blocks;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
458 pool->used_blocks = tmp_blk->next;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
459 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
460 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
461
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
462 NSAPI_PUBLIC void
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
463 pool_destroy(pool_handle_t *pool_handle)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
464 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
465 pool_t *pool = (pool_t *)pool_handle;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
466 block_t *tmp_blk;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
467
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
468 //PR_ASSERT(pool != NULL);
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
469
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
470 if (pool == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
471 return;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
472
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
473 if (pool->curr_block)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
474 _free_block(pool->curr_block);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
475
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
476 while(pool->used_blocks) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
477 tmp_blk = pool->used_blocks;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
478 pool->used_blocks = tmp_blk->next;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
479 _free_block(tmp_blk);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
480 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
481
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
482 while(pool->free_blocks) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
483 tmp_blk = pool->free_blocks;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
484 pool->free_blocks = tmp_blk->next;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
485 _free_block(tmp_blk);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
486 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
487
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
488 {
71
069c152f6272 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 40
diff changeset
489 //pool_t **ppool;
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
490
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
491 /* Remove from the known pools list */
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
492 // NOTICE: known pools list removed
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
493 /*
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
494 PR_Lock(pool_global_stats.lock);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
495 for (ppool = &pool_global_stats.poolList;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
496 *ppool; ppool = &(*ppool)->next) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
497 if (*ppool == pool) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
498 ++pool_global_stats.destroyCnt;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
499 *ppool = pool->next;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
500 break;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
501 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
502 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
503 PR_Unlock(pool_global_stats.lock);
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
504 */
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
505 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
506
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
507 #ifdef POOL_ZERO_DEBUG
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
508 memset(pool, POOL_ZERO_DEBUG, sizeof(pool));
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
509 #endif /* POOL_ZERO_DEBUG */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
510
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
511 PERM_FREE(pool);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
512
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
513 return;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
514 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
515
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
516
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
517 NSAPI_PUBLIC void *
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
518 pool_malloc(pool_handle_t *pool_handle, size_t size)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
519 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
520 pool_t *pool = (pool_t *)pool_handle;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
521 block_t *curr_block;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
522 long reqsize, blocksize;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
523 char *ptr;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
524
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
525 if (pool == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
526 return PERM_MALLOC(size);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
527
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
528 reqsize = ALIGN(size);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
529 if (reqsize == 0) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
530 /* Assign a unique address to each 0-byte allocation */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
531 reqsize = WORD_SIZE;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
532 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
533
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
534 curr_block = pool->curr_block;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
535 ptr = curr_block->start;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
536 curr_block->start += reqsize;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
537
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
538 /* does this fit into the last allocated block? */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
539 if (curr_block->start > curr_block->end) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
540
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
541 /* Did not fit; time to allocate a new block */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
542
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
543 curr_block->start -= reqsize; /* keep structs in tact */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
544
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
545 /* Count unallocated bytes in current block in pool size */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
546 pool->size += curr_block->end - curr_block->start;
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
547 //PR_ASSERT(pool->size >= 0);
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
548 #ifdef PER_POOL_STATISTICS
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
549 if (pool->size > pool->stats.maxAlloc) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
550 pool->stats.maxAlloc = pool->size;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
551 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
552 #endif /* PER_POOL_STATISTICS */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
553
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
554 /* Move current block to used block list */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
555 curr_block->next = pool->used_blocks;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
556 pool->used_blocks = curr_block;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
557
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
558 /* Allocate a chunk of memory which is at least block_size bytes */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
559 blocksize = reqsize;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
560 if (blocksize < pool_config.block_size)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
561 blocksize = pool_config.block_size;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
562
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
563 curr_block = _create_block(pool, blocksize);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
564 pool->curr_block = curr_block;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
565
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
566 if (curr_block == NULL) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
567 //ereport(LOG_CATASTROPHE,
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
568 // XP_GetAdminStr(DBT_poolMallocOutOfMemory_));
29
e8619defde14 added event handler
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
569 //PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
570 return NULL;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
571 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
572
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
573 ptr = curr_block->start;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
574 curr_block->start += reqsize;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
575 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
576
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
577 pool->size += reqsize;
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
578 //PR_ASSERT(pool->size >= 0);
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
579
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
580 #ifdef PER_POOL_STATISTICS
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
581 if (pool->size > pool->stats.maxAlloc) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
582 pool->stats.maxAlloc = pool->size;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
583 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
584 ++pool->stats.allocCnt;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
585 pool->stats.thread = PR_GetCurrentThread();
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
586 #endif /* PER_POOL_STATISTICS */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
587
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
588 return ptr;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
589 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
590
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
591 NSAPI_PUBLIC void
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
592 pool_free(pool_handle_t *pool_handle, void *ptr)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
593 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
594 pool_t *pool = (pool_t *)pool_handle;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
595
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
596 if (ptr == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
597 return;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
598
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
599 if (pool == NULL) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
600 PERM_FREE(ptr);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
601 return;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
602 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
603
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
604 //PR_ASSERT(_ptr_in_pool(pool, ptr));
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
605
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
606 #ifdef PER_POOL_STATISTICS
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
607
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
608 ++pool->stats.freeCnt;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
609 pool->stats.thread = PR_GetCurrentThread();
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
610
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
611 #endif /* PER_POOL_STATISTICS */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
612
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
613 return;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
614 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
615
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
616 NSAPI_PUBLIC void *
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
617 pool_calloc(pool_handle_t *pool_handle, size_t nelem, size_t elsize)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
618 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
619 void *ptr;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
620
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
621 if (pool_handle == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
622 return calloc(1, elsize * nelem);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
623
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
624 ptr = pool_malloc(pool_handle, elsize * nelem);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
625 if (ptr)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
626 memset(ptr, 0, elsize * nelem);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
627 return ptr;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
628 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
629
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
630 NSAPI_PUBLIC void *
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
631 pool_realloc(pool_handle_t *pool_handle, void *ptr, size_t size)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
632 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
633 pool_t *pool = (pool_t *)pool_handle;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
634 void *newptr;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
635 block_t *block_ptr;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
636 size_t oldsize;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
637
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
638 if (pool == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
639 return PERM_REALLOC(ptr, size);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
640
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
641 if ( (newptr = pool_malloc(pool_handle, size)) == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
642 return NULL;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
643
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
644 /* With our structure we don't know exactly where the end
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
645 * of the original block is. But we do know an upper bound
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
646 * which is a valid ptr. Search the outstanding blocks
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
647 * for the block which contains this ptr, and copy...
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
648 */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
649
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
650 if ( !(block_ptr = _ptr_in_pool(pool, ptr)) ) {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
651 /* User is trying to realloc nonmalloc'd space! */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
652 return newptr;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
653 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
654
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
655 oldsize = block_ptr->end - (char *)ptr ;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
656 if (oldsize > size)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
657 oldsize = size;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
658 memmove((char *)newptr, (char *)ptr, oldsize);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
659
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
660 return newptr;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
661 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
662
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
663 NSAPI_PUBLIC char *
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
664 pool_strdup(pool_handle_t *pool_handle, const char *orig_str)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
665 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
666 char *new_str;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
667 int len = strlen(orig_str);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
668
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
669 if (pool_handle == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
670 return PERM_STRDUP(orig_str);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
671
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
672 new_str = (char *)pool_malloc(pool_handle, len+1);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
673
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
674 if (new_str)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
675 memcpy(new_str, orig_str, len+1);
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
676
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
677 return new_str;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
678 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
679
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
680 NSAPI_PUBLIC long
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
681 pool_space(pool_handle_t *pool_handle)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
682 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
683 pool_t *pool = (pool_t *)pool_handle;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
684
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
685 return pool->size;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
686 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
687
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
688 NSAPI_PUBLIC int pool_enabled()
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
689 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
690 if (getThreadMallocKey() == -1)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
691 return 0;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
692
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
693 if (!systhread_getdata(getThreadMallocKey()))
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
694 return 0;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
695
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
696 return 1;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
697 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
698
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
699 #ifdef DEBUG
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
700 NSAPI_PUBLIC void INTpool_assert(pool_handle_t *pool_handle, const void *ptr)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
701 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
702 pool_t *pool = (pool_t *)pool_handle;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
703
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
704 if (pool == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
705 return;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
706
40
56cda23f48d4 removed NSPR
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 29
diff changeset
707 //PR_ASSERT(_ptr_in_pool(pool, ptr));
1
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
708 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
709 #endif
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
710
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
711 NSAPI_PUBLIC pool_config_t *pool_getConfig(void)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
712 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
713 return &pool_config;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
714 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
715
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
716 #ifdef POOL_GLOBAL_STATISTICS
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
717 NSAPI_PUBLIC pool_global_stats_t *pool_getGlobalStats(void)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
718 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
719 return &pool_global_stats;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
720 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
721 #endif /* POOL_GLOBAL_STATISTICS */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
722
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
723 #ifdef PER_POOL_STATISTICS
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
724 NSAPI_PUBLIC pool_stats_t *pool_getPoolStats(pool_handle_t *pool_handle)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
725 {
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
726 pool_t *pool = (pool_t *)pool_handle;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
727
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
728 if (pool == NULL)
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
729 return NULL;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
730
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
731 return &pool->stats;
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
732 }
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
733 #endif /* PER_POOL_STATISTICS */
3c066d52342d added source
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
734
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
735 // new
415
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 339
diff changeset
736 cxmutstr cx_strdup_pool(pool_handle_t *pool, cxmutstr s) {
d938228c382e switch from ucx 2 to 3
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 339
diff changeset
737 cxmutstr newstring;
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
738 newstring.ptr = (char*)pool_malloc(pool, s.length + 1);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
739 if (newstring.ptr != NULL) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
740 newstring.length = s.length;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
741 newstring.ptr[newstring.length] = 0;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
742
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
743 memcpy(newstring.ptr, s.ptr, s.length);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
744 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
745
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
746 return newstring;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
747 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 71
diff changeset
748

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