1 /* $NetBSD: alloc.h,v 1.3 2022/04/03 01:10:59 christos Exp $ */ 2 3 /* alloc.h 4 5 Definitions for the object management API protocol memory allocation... */ 6 7 /* 8 * Copyright (C) 2004-2022 Internet Systems Consortium, Inc. ("ISC") 9 * Copyright (c) 1996-2003 by Internet Software Consortium 10 * 11 * This Source Code Form is subject to the terms of the Mozilla Public 12 * License, v. 2.0. If a copy of the MPL was not distributed with this 13 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 16 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 17 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 18 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 20 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 21 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 22 * 23 * Internet Systems Consortium, Inc. 24 * PO Box 360 25 * Newmarket, NH 03857 USA 26 * <info@isc.org> 27 * https://www.isc.org/ 28 * 29 */ 30 31 isc_result_t omapi_buffer_new (omapi_buffer_t **, const char *, int); 32 isc_result_t omapi_buffer_reference (omapi_buffer_t **, 33 omapi_buffer_t *, const char *, int); 34 isc_result_t omapi_buffer_dereference (omapi_buffer_t **, const char *, int); 35 36 #if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL) || \ 37 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT) 38 #define DMDOFFSET (sizeof (struct dmalloc_preamble)) 39 #define DMLFSIZE 16 40 #define DMUFSIZE 16 41 #define DMDSIZE (DMDOFFSET + DMLFSIZE + DMUFSIZE) 42 43 struct dmalloc_preamble { 44 struct dmalloc_preamble *prev, *next; 45 const char *file; 46 int line; 47 size_t size; 48 unsigned long generation; 49 unsigned char low_fence [DMLFSIZE]; 50 }; 51 #else 52 #define DMDOFFSET 0 53 #define DMDSIZE 0 54 #endif 55 56 /* rc_history flags... */ 57 #define RC_LEASE 1 58 #define RC_MISC 2 59 60 #if defined (DEBUG_RC_HISTORY) 61 #if !defined (RC_HISTORY_MAX) 62 # define RC_HISTORY_MAX 256 63 #endif 64 65 #if !defined (RC_HISTORY_FLAGS) 66 # define RC_HISTORY_FLAGS (RC_LEASE | RC_MISC) 67 #endif 68 69 struct rc_history_entry { 70 const char *file; 71 int line; 72 void *reference; 73 void *addr; 74 int refcnt; 75 }; 76 77 #define rc_register(x, l, r, y, z, d, f) do { \ 78 if (RC_HISTORY_FLAGS & ~(f)) { \ 79 rc_history [rc_history_index].file = (x); \ 80 rc_history [rc_history_index].line = (l); \ 81 rc_history [rc_history_index].reference = (r); \ 82 rc_history [rc_history_index].addr = (y); \ 83 rc_history [rc_history_index].refcnt = (z); \ 84 rc_history_next (d); \ 85 } \ 86 } while (0) 87 #define rc_register_mdl(r, y, z, d, f) \ 88 rc_register (__FILE__, __LINE__, r, y, z, d, f) 89 #else 90 #define rc_register(file, line, reference, addr, refcnt, d, f) 91 #define rc_register_mdl(reference, addr, refcnt, d, f) 92 #endif 93 94 #if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL) || \ 95 defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT) 96 extern struct dmalloc_preamble *dmalloc_list; 97 extern unsigned long dmalloc_outstanding; 98 extern unsigned long dmalloc_longterm; 99 extern unsigned long dmalloc_generation; 100 extern unsigned long dmalloc_cutoff_generation; 101 #endif 102 103 #if defined (DEBUG_RC_HISTORY) 104 extern struct rc_history_entry rc_history [RC_HISTORY_MAX]; 105 extern int rc_history_index; 106 extern int rc_history_count; 107 #endif 108