/* $NetBSD: alloc.h,v 1.2.6.1 2024/02/29 11:39:20 martin Exp $ */ /* 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 * * 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