/usr/include/pj/pool_alt.h is in libpjproject-dev 2.7.2~dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | /* $Id: pool_alt.h 5061 2015-04-10 13:19:47Z riza $ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJ_POOL_ALT_H__
#define __PJ_POOL_ALT_H__
#define __PJ_POOL_H__
PJ_BEGIN_DECL
/**
* The type for function to receive callback from the pool when it is unable
* to allocate memory. The elegant way to handle this condition is to throw
* exception, and this is what is expected by most of this library
* components.
*/
typedef void pj_pool_callback(pj_pool_t *pool, pj_size_t size);
struct pj_pool_mem
{
struct pj_pool_mem *next;
/* data follows immediately */
};
struct pj_pool_t
{
struct pj_pool_mem *first_mem;
pj_pool_factory *factory;
char obj_name[32];
pj_size_t used_size;
pj_pool_callback *cb;
};
#define PJ_POOL_SIZE (sizeof(struct pj_pool_t))
/**
* This constant denotes the exception number that will be thrown by default
* memory factory policy when memory allocation fails.
*/
extern int PJ_NO_MEMORY_EXCEPTION;
/*
* Declare all pool API as macro that calls the implementation
* function.
*/
#define pj_pool_create(fc,nm,init,inc,cb) \
pj_pool_create_imp(__FILE__, __LINE__, fc, nm, init, inc, cb)
#define pj_pool_release(pool) pj_pool_release_imp(pool)
#define pj_pool_getobjname(pool) pj_pool_getobjname_imp(pool)
#define pj_pool_reset(pool) pj_pool_reset_imp(pool)
#define pj_pool_get_capacity(pool) pj_pool_get_capacity_imp(pool)
#define pj_pool_get_used_size(pool) pj_pool_get_used_size_imp(pool)
#define pj_pool_alloc(pool,sz) \
pj_pool_alloc_imp(__FILE__, __LINE__, pool, sz)
#define pj_pool_calloc(pool,cnt,elem) \
pj_pool_calloc_imp(__FILE__, __LINE__, pool, cnt, elem)
#define pj_pool_zalloc(pool,sz) \
pj_pool_zalloc_imp(__FILE__, __LINE__, pool, sz)
/*
* Declare prototypes for pool implementation API.
*/
/* Create pool */
PJ_DECL(pj_pool_t*) pj_pool_create_imp(const char *file, int line,
void *factory,
const char *name,
pj_size_t initial_size,
pj_size_t increment_size,
pj_pool_callback *callback);
/* Release pool */
PJ_DECL(void) pj_pool_release_imp(pj_pool_t *pool);
/* Get pool name */
PJ_DECL(const char*) pj_pool_getobjname_imp(pj_pool_t *pool);
/* Reset pool */
PJ_DECL(void) pj_pool_reset_imp(pj_pool_t *pool);
/* Get capacity */
PJ_DECL(pj_size_t) pj_pool_get_capacity_imp(pj_pool_t *pool);
/* Get total used size */
PJ_DECL(pj_size_t) pj_pool_get_used_size_imp(pj_pool_t *pool);
/* Allocate memory from the pool */
PJ_DECL(void*) pj_pool_alloc_imp(const char *file, int line,
pj_pool_t *pool, pj_size_t sz);
/* Allocate memory from the pool and zero the memory */
PJ_DECL(void*) pj_pool_calloc_imp(const char *file, int line,
pj_pool_t *pool, unsigned cnt,
unsigned elemsz);
/* Allocate memory from the pool and zero the memory */
PJ_DECL(void*) pj_pool_zalloc_imp(const char *file, int line,
pj_pool_t *pool, pj_size_t sz);
#define PJ_POOL_ZALLOC_T(pool,type) \
((type*)pj_pool_zalloc(pool, sizeof(type)))
#define PJ_POOL_ALLOC_T(pool,type) \
((type*)pj_pool_alloc(pool, sizeof(type)))
#ifndef PJ_POOL_ALIGNMENT
# define PJ_POOL_ALIGNMENT 4
#endif
/**
* This structure declares pool factory interface.
*/
typedef struct pj_pool_factory_policy
{
/**
* Allocate memory block (for use by pool). This function is called
* by memory pool to allocate memory block.
*
* @param factory Pool factory.
* @param size The size of memory block to allocate.
*
* @return Memory block.
*/
void* (*block_alloc)(pj_pool_factory *factory, pj_size_t size);
/**
* Free memory block.
*
* @param factory Pool factory.
* @param mem Memory block previously allocated by block_alloc().
* @param size The size of memory block.
*/
void (*block_free)(pj_pool_factory *factory, void *mem, pj_size_t size);
/**
* Default callback to be called when memory allocation fails.
*/
pj_pool_callback *callback;
/**
* Option flags.
*/
unsigned flags;
} pj_pool_factory_policy;
struct pj_pool_factory
{
pj_pool_factory_policy policy;
int dummy;
};
struct pj_caching_pool
{
pj_pool_factory factory;
/* just to make it compilable */
unsigned used_count;
unsigned used_size;
unsigned peak_used_size;
};
/* just to make it compilable */
typedef struct pj_pool_block
{
int dummy;
} pj_pool_block;
#define pj_caching_pool_init( cp, pol, mac)
#define pj_caching_pool_destroy(cp)
#define pj_pool_factory_dump(pf, detail)
PJ_END_DECL
#endif /* __PJ_POOL_ALT_H__ */
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