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/*
Copyright (c) 2008-2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS 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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _MEM_POOL_H_
#define _MEM_POOL_H_
#include "list.h"
#include "locking.h"
#include "mem-types.h"
#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include <stdarg.h>
#define MALLOC(size) malloc(size)
#define CALLOC(cnt,size) calloc(cnt,size)
#define FREE(ptr) \
if (ptr != NULL) { \
free ((void *)ptr); \
ptr = (void *)0xeeeeeeee; \
}
struct mem_acct {
uint32_t num_types;
struct mem_acct_rec *rec;
};
struct mem_acct_rec {
size_t size;
size_t max_size;
uint32_t num_allocs;
uint32_t max_num_allocs;
gf_lock_t lock;
};
void *
__gf_calloc (size_t cnt, size_t size, uint32_t type);
void *
__gf_malloc (size_t size, uint32_t type);
void *
__gf_realloc (void *ptr, size_t size);
int
gf_vasprintf (char **string_ptr, const char *format, va_list arg);
int
gf_asprintf (char **string_ptr, const char *format, ...);
#define GF_CALLOC(nmemb, size, type) __gf_calloc (nmemb, size, type)
#define GF_MALLOC(size, type) __gf_malloc (size, type)
#define GF_REALLOC(ptr, size) __gf_realloc (ptr, size)
void
__gf_free (void *ptr);
#define GF_FREE(free_ptr) __gf_free (free_ptr);
static inline
char * gf_strdup (const char *src)
{
char *dup_str = NULL;
size_t len = 0;
len = strlen (src) + 1;
dup_str = GF_CALLOC(1, len, gf_common_mt_strdup);
if (!dup_str)
return NULL;
memcpy (dup_str, src, len);
return dup_str;
}
struct mem_pool {
struct list_head list;
int hot_count;
int cold_count;
gf_lock_t lock;
unsigned long padded_sizeof_type;
void *pool;
void *pool_end;
int real_sizeof_type;
};
struct mem_pool *
mem_pool_new_fn (unsigned long sizeof_type, unsigned long count);
#define mem_pool_new(type,count) mem_pool_new_fn (sizeof(type), count)
void mem_put (struct mem_pool *pool, void *ptr);
void *mem_get (struct mem_pool *pool);
void *mem_get0 (struct mem_pool *pool);
void mem_pool_destroy (struct mem_pool *pool);
int gf_mem_acct_is_enabled ();
void gf_mem_acct_enable_set ();
#endif /* _MEM_POOL_H */
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