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/* alloc.h
Definitions for the object management API protocol memory allocation... */
/*
* Copyright (C) 2004-2022 Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1996-2003 by Internet Software Consortium
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Internet Systems Consortium, Inc.
* PO Box 360
* Newmarket, NH 03857 USA
* <info@isc.org>
* https://www.isc.org/
*
*/
isc_result_t omapi_buffer_new (omapi_buffer_t **, const char *, int);
isc_result_t omapi_buffer_reference (omapi_buffer_t **,
omapi_buffer_t *, const char *, int);
isc_result_t omapi_buffer_dereference (omapi_buffer_t **, const char *, int);
#if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL) || \
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
#define DMDOFFSET (sizeof (struct dmalloc_preamble))
#define DMLFSIZE 16
#define DMUFSIZE 16
#define DMDSIZE (DMDOFFSET + DMLFSIZE + DMUFSIZE)
struct dmalloc_preamble {
struct dmalloc_preamble *prev, *next;
const char *file;
int line;
size_t size;
unsigned long generation;
unsigned char low_fence [DMLFSIZE];
};
#else
#define DMDOFFSET 0
#define DMDSIZE 0
#endif
/* rc_history flags... */
#define RC_LEASE 1
#define RC_MISC 2
#if defined (DEBUG_RC_HISTORY)
#if !defined (RC_HISTORY_MAX)
# define RC_HISTORY_MAX 256
#endif
#if !defined (RC_HISTORY_FLAGS)
# define RC_HISTORY_FLAGS (RC_LEASE | RC_MISC)
#endif
struct rc_history_entry {
const char *file;
int line;
void *reference;
void *addr;
int refcnt;
};
#define rc_register(x, l, r, y, z, d, f) do { \
if (RC_HISTORY_FLAGS & ~(f)) { \
rc_history [rc_history_index].file = (x); \
rc_history [rc_history_index].line = (l); \
rc_history [rc_history_index].reference = (r); \
rc_history [rc_history_index].addr = (y); \
rc_history [rc_history_index].refcnt = (z); \
rc_history_next (d); \
} \
} while (0)
#define rc_register_mdl(r, y, z, d, f) \
rc_register (__FILE__, __LINE__, r, y, z, d, f)
#else
#define rc_register(file, line, reference, addr, refcnt, d, f)
#define rc_register_mdl(reference, addr, refcnt, d, f)
#endif
#if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL) || \
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
extern struct dmalloc_preamble *dmalloc_list;
extern unsigned long dmalloc_outstanding;
extern unsigned long dmalloc_longterm;
extern unsigned long dmalloc_generation;
extern unsigned long dmalloc_cutoff_generation;
#endif
#if defined (DEBUG_RC_HISTORY)
extern struct rc_history_entry rc_history [RC_HISTORY_MAX];
extern int rc_history_index;
extern int rc_history_count;
#endif
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