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