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- #include <pj/list.h>
- #if PJ_HAS_POOL_ALT_API
- # include <pj/pool_alt.h>
- #endif
- #ifndef __PJ_POOL_H__
- #define __PJ_POOL_H__
- PJ_BEGIN_DECL
- typedef void pj_pool_callback(pj_pool_t *pool, pj_size_t size);
- typedef struct pj_pool_block
- {
- PJ_DECL_LIST_MEMBER(struct pj_pool_block);
- unsigned char *buf;
- unsigned char *cur;
- unsigned char *end;
- } pj_pool_block;
- struct pj_pool_t
- {
- PJ_DECL_LIST_MEMBER(struct pj_pool_t);
-
- char obj_name[PJ_MAX_OBJ_NAME];
-
- pj_pool_factory *factory;
-
- void *factory_data;
-
- pj_size_t capacity;
-
- pj_size_t increment_size;
-
- pj_pool_block block_list;
-
- pj_pool_callback *callback;
- };
- #define PJ_POOL_SIZE (sizeof(struct pj_pool_t))
- #ifndef PJ_POOL_ALIGNMENT
- # define PJ_POOL_ALIGNMENT 4
- #endif
- PJ_IDECL(pj_pool_t*) pj_pool_create(pj_pool_factory *factory,
- const char *name,
- pj_size_t initial_size,
- pj_size_t increment_size,
- pj_pool_callback *callback);
- PJ_IDECL(void) pj_pool_release( pj_pool_t *pool );
- PJ_IDECL(void) pj_pool_safe_release( pj_pool_t **ppool );
- PJ_IDECL(void) pj_pool_secure_release( pj_pool_t **ppool );
- PJ_IDECL(const char *) pj_pool_getobjname( const pj_pool_t *pool );
- PJ_DECL(void) pj_pool_reset( pj_pool_t *pool );
- PJ_IDECL(pj_size_t) pj_pool_get_capacity( pj_pool_t *pool );
- PJ_IDECL(pj_size_t) pj_pool_get_used_size( pj_pool_t *pool );
- PJ_IDECL(void*) pj_pool_alloc( pj_pool_t *pool, pj_size_t size);
- PJ_IDECL(void*) pj_pool_calloc( pj_pool_t *pool, pj_size_t count,
- pj_size_t elem);
- PJ_INLINE(void*) pj_pool_zalloc(pj_pool_t *pool, pj_size_t size)
- {
- return pj_pool_calloc(pool, 1, size);
- }
- #define PJ_POOL_ALLOC_T(pool,type) \
- ((type*)pj_pool_alloc(pool, sizeof(type)))
- #define PJ_POOL_ZALLOC_T(pool,type) \
- ((type*)pj_pool_zalloc(pool, sizeof(type)))
- PJ_IDECL(void*) pj_pool_alloc_from_block(pj_pool_block *block, pj_size_t size);
- PJ_DECL(void*) pj_pool_allocate_find(pj_pool_t *pool, pj_size_t size);
-
- typedef struct pj_pool_factory_policy
- {
-
- void* (*block_alloc)(pj_pool_factory *factory, pj_size_t size);
-
- void (*block_free)(pj_pool_factory *factory, void *mem, pj_size_t size);
-
- pj_pool_callback *callback;
-
- unsigned flags;
- } pj_pool_factory_policy;
- PJ_DECL_DATA(int) PJ_NO_MEMORY_EXCEPTION;
-
- PJ_DECL(int) pj_NO_MEMORY_EXCEPTION(void);
- PJ_DECL_DATA(pj_pool_factory_policy) pj_pool_factory_default_policy;
- PJ_DECL(const pj_pool_factory_policy*) pj_pool_factory_get_default_policy(void);
- struct pj_pool_factory
- {
-
- pj_pool_factory_policy policy;
-
- pj_pool_t* (*create_pool)( pj_pool_factory *factory,
- const char *name,
- pj_size_t initial_size,
- pj_size_t increment_size,
- pj_pool_callback *callback);
-
- void (*release_pool)( pj_pool_factory *factory, pj_pool_t *pool );
-
- void (*dump_status)( pj_pool_factory *factory, pj_bool_t detail );
-
- pj_bool_t (*on_block_alloc)(pj_pool_factory *factory, pj_size_t size);
-
- void (*on_block_free)(pj_pool_factory *factory, pj_size_t size);
- };
- PJ_DECL(pj_pool_t*) pj_pool_create_int( pj_pool_factory *factory,
- const char *name,
- pj_size_t initial_size,
- pj_size_t increment_size,
- pj_pool_callback *callback);
- PJ_DECL(void) pj_pool_init_int( pj_pool_t *pool,
- const char *name,
- pj_size_t increment_size,
- pj_pool_callback *callback);
- PJ_DECL(void) pj_pool_destroy_int( pj_pool_t *pool );
- PJ_INLINE(void) pj_pool_factory_dump( pj_pool_factory *pf,
- pj_bool_t detail )
- {
- (*pf->dump_status)(pf, detail);
- }
- #define PJ_CACHING_POOL_ARRAY_SIZE 16
- struct pj_caching_pool
- {
-
- pj_pool_factory factory;
-
- pj_size_t capacity;
-
- pj_size_t max_capacity;
-
- pj_size_t used_count;
-
- pj_size_t used_size;
-
- pj_size_t peak_used_size;
-
- pj_list free_list[PJ_CACHING_POOL_ARRAY_SIZE];
-
- pj_list used_list;
-
- char pool_buf[256 * (sizeof(size_t) / 4)];
-
- pj_lock_t *lock;
- };
- PJ_DECL(void) pj_caching_pool_init( pj_caching_pool *ch_pool,
- const pj_pool_factory_policy *policy,
- pj_size_t max_capacity);
- PJ_DECL(void) pj_caching_pool_destroy( pj_caching_pool *ch_pool );
- # if PJ_FUNCTIONS_ARE_INLINED
- # include "pool_i.h"
- # endif
- PJ_END_DECL
-
- #endif
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