Annotation of embedaddon/dhcp/includes/omapip/alloc.h, revision 1.1
1.1 ! misho 1: /* alloc.h
! 2:
! 3: Definitions for the object management API protocol memory allocation... */
! 4:
! 5: /*
! 6: * Copyright (c) 2004,2009 by Internet Systems Consortium, Inc. ("ISC")
! 7: * Copyright (c) 1996-2003 by Internet Software Consortium
! 8: *
! 9: * Permission to use, copy, modify, and distribute this software for any
! 10: * purpose with or without fee is hereby granted, provided that the above
! 11: * copyright notice and this permission notice appear in all copies.
! 12: *
! 13: * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
! 14: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 15: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
! 16: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 17: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 18: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
! 19: * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 20: *
! 21: * Internet Systems Consortium, Inc.
! 22: * 950 Charter Street
! 23: * Redwood City, CA 94063
! 24: * <info@isc.org>
! 25: * https://www.isc.org/
! 26: *
! 27: * This software has been written for Internet Systems Consortium
! 28: * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
! 29: * To learn more about Internet Systems Consortium, see
! 30: * ``https://www.isc.org/''. To learn more about Vixie Enterprises,
! 31: * see ``http://www.vix.com''. To learn more about Nominum, Inc., see
! 32: * ``http://www.nominum.com''.
! 33: */
! 34:
! 35: isc_result_t omapi_buffer_new (omapi_buffer_t **, const char *, int);
! 36: isc_result_t omapi_buffer_reference (omapi_buffer_t **,
! 37: omapi_buffer_t *, const char *, int);
! 38: isc_result_t omapi_buffer_dereference (omapi_buffer_t **, const char *, int);
! 39:
! 40: #if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL) || \
! 41: defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
! 42: #define DMDOFFSET (sizeof (struct dmalloc_preamble))
! 43: #define DMLFSIZE 16
! 44: #define DMUFSIZE 16
! 45: #define DMDSIZE (DMDOFFSET + DMLFSIZE + DMUFSIZE)
! 46:
! 47: struct dmalloc_preamble {
! 48: struct dmalloc_preamble *prev, *next;
! 49: const char *file;
! 50: int line;
! 51: size_t size;
! 52: unsigned long generation;
! 53: unsigned char low_fence [DMLFSIZE];
! 54: };
! 55: #else
! 56: #define DMDOFFSET 0
! 57: #define DMDSIZE 0
! 58: #endif
! 59:
! 60: /* rc_history flags... */
! 61: #define RC_LEASE 1
! 62: #define RC_MISC 2
! 63:
! 64: #if defined (DEBUG_RC_HISTORY)
! 65: #if !defined (RC_HISTORY_MAX)
! 66: # define RC_HISTORY_MAX 256
! 67: #endif
! 68:
! 69: #if !defined (RC_HISTORY_FLAGS)
! 70: # define RC_HISTORY_FLAGS (RC_LEASE | RC_MISC)
! 71: #endif
! 72:
! 73: struct rc_history_entry {
! 74: const char *file;
! 75: int line;
! 76: void *reference;
! 77: void *addr;
! 78: int refcnt;
! 79: };
! 80:
! 81: #define rc_register(x, l, r, y, z, d, f) do { \
! 82: if (RC_HISTORY_FLAGS & ~(f)) { \
! 83: rc_history [rc_history_index].file = (x); \
! 84: rc_history [rc_history_index].line = (l); \
! 85: rc_history [rc_history_index].reference = (r); \
! 86: rc_history [rc_history_index].addr = (y); \
! 87: rc_history [rc_history_index].refcnt = (z); \
! 88: rc_history_next (d); \
! 89: } \
! 90: } while (0)
! 91: #define rc_register_mdl(r, y, z, d, f) \
! 92: rc_register (__FILE__, __LINE__, r, y, z, d, f)
! 93: #else
! 94: #define rc_register(file, line, reference, addr, refcnt, d, f)
! 95: #define rc_register_mdl(reference, addr, refcnt, d, f)
! 96: #endif
! 97:
! 98: #if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL) || \
! 99: defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
! 100: extern struct dmalloc_preamble *dmalloc_list;
! 101: extern unsigned long dmalloc_outstanding;
! 102: extern unsigned long dmalloc_longterm;
! 103: extern unsigned long dmalloc_generation;
! 104: extern unsigned long dmalloc_cutoff_generation;
! 105: #endif
! 106:
! 107: #if defined (DEBUG_RC_HISTORY)
! 108: extern struct rc_history_entry rc_history [RC_HISTORY_MAX];
! 109: extern int rc_history_index;
! 110: extern int rc_history_count;
! 111: #endif
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