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90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/* Copyright (C) 2007-2010 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \ingroup utilpool
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*
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* @{
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*/
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/**
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* \file
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*
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* \author Victor Julien <victor@inliniac.net>
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*/
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#ifndef __UTIL_POOL_H__
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#define __UTIL_POOL_H__
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#define POOL_BUCKET_PREALLOCATED (1 << 0)
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/* pool bucket structure */
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typedef struct PoolBucket_ {
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void *data;
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uint8_t flags;
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struct PoolBucket_ *next;
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} PoolBucket;
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/* pool structure */
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typedef struct Pool_ {
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uint32_t max_buckets;
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uint32_t preallocated;
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uint32_t allocated; /**< counter of data elements, both currently in
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* the pool and outside of it (outstanding) */
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uint32_t alloc_stack_size;
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PoolBucket *alloc_stack;
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PoolBucket *empty_stack;
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uint32_t empty_stack_size;
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int data_buffer_size;
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void *data_buffer;
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PoolBucket *pb_buffer;
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void *(*Alloc)(void);
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int (*Init)(void *, void *);
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void *InitData;
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void (*Cleanup)(void *);
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void (*Free)(void *);
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uint32_t elt_size;
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uint32_t outstanding; /**< counter of data items 'in use'. Pretty much
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* the diff between PoolGet and PoolReturn */
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#ifdef DEBUG
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uint32_t max_outstanding; /**< max value of outstanding we saw */
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#endif
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} Pool;
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/* prototypes */
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Pool* PoolInit(uint32_t, uint32_t, uint32_t, void *(*Alloc)(void), int (*Init)(void *, void *), void *, void (*Cleanup)(void *), void (*Free)(void *));
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void PoolFree(Pool *);
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void PoolPrint(Pool *);
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void PoolPrintSaturation(Pool *p);
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void *PoolGet(Pool *);
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void PoolReturn(Pool *, void *);
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void PoolRegisterTests(void);
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#endif /* __UTIL_POOL_H__ */
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/**
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* @}
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*/
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