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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