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Annotation of libaitsess/inc/defs.h, revision 1.4.2.3

1.2       misho       1: /*************************************************************************
                      2: * (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
                      3: *  by Michael Pounov <misho@openbsd-bg.org>
                      4: *
                      5: * $Author: misho $
1.4.2.3 ! misho       6: * $Id: defs.h,v 1.4.2.2 2012/02/27 23:57:12 misho Exp $
1.2       misho       7: *
1.3       misho       8: **************************************************************************
                      9: The ELWIX and AITNET software is distributed under the following
                     10: terms:
                     11: 
                     12: All of the documentation and software included in the ELWIX and AITNET
                     13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
                     14: 
1.4.2.2   misho      15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
1.3       misho      16:        by Michael Pounov <misho@elwix.org>.  All rights reserved.
                     17: 
                     18: Redistribution and use in source and binary forms, with or without
                     19: modification, are permitted provided that the following conditions
                     20: are met:
                     21: 1. Redistributions of source code must retain the above copyright
                     22:    notice, this list of conditions and the following disclaimer.
                     23: 2. Redistributions in binary form must reproduce the above copyright
                     24:    notice, this list of conditions and the following disclaimer in the
                     25:    documentation and/or other materials provided with the distribution.
                     26: 3. All advertising materials mentioning features or use of this software
                     27:    must display the following acknowledgement:
                     28: This product includes software developed by Michael Pounov <misho@elwix.org>
                     29: ELWIX - Embedded LightWeight unIX and its contributors.
                     30: 4. Neither the name of AITNET nor the names of its contributors
                     31:    may be used to endorse or promote products derived from this software
                     32:    without specific prior written permission.
                     33: 
                     34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
                     35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     44: SUCH DAMAGE.
                     45: */
1.1       misho      46: #ifndef __DEFS_H
                     47: #define __DEFS_H
                     48: 
1.3       misho      49: #define STRSIZ         256
1.1       misho      50: 
1.4       misho      51: #define SESS_AIT_MAGIC 0x3CC3
                     52: 
1.2       misho      53: #define MEM_MODE       0640
1.4       misho      54: #define MEM_DELIM      "\xFF"
1.2       misho      55: 
1.4.2.1   misho      56: #define MEM_FLAG_ACT   0
                     57: #define MEM_FLAG_INACT 1
                     58: #define MEM_FLAG_LOCK  2
                     59: 
                     60: #define MEM_MAGIC_START        0xAAAAAAAA
                     61: #define MEM_MAGIC_STOP 0x55555555
                     62: #define MEM_ALLOC_MAX  0xFFFFFFF3
                     63: 
                     64: /* memory pool helper macros */
                     65: 
                     66: #define MEM_MIN_BUCKET 4
                     67: #define MEM_MAX_BUCKET 32
                     68: 
                     69: #define MEM_PTR2LINT(x)        ((u_int) ((uintptr_t)(x)) & 0xFFFFFFFF)
1.4.2.3 ! misho      70: #define MEM_PTR2HINT(x)        ((u_int) (sizeof(uintptr_t) == sizeof(u_int)) ? 0 : \
        !            71:                                (((uintptr_t)(x)) >> 32) & 0xFFFFFFFF)
1.4.2.1   misho      72: #define MEM_INT2PTR(x) ((void*) ((uintptr_t)(x)))
                     73: 
                     74: #define MEM_BADADDR(x) (MEM_PTR2LINT(x) < 0x00001000U || MEM_PTR2LINT(x) > 0xFFFFF000U)
1.4.2.2   misho      75: #define MEM_CORRUPT(x) (!(x) || ((u_int*)(x))[-1] != MEM_MAGIC_START || \
                     76:                                ((u_int*)(x))[((u_int*)(x))[-2]] != MEM_MAGIC_STOP)
1.4.2.1   misho      77: 
                     78: #define mem_data(x, _type)     (assert((x)), (_type) ((x)->alloc_mem ? ((x)->alloc_mem + 2) : NULL))
                     79: #define mem_len(x)             (assert((x)), (x)->alloc_mem ? *(x)->alloc_mem : 0)
1.4.2.2   misho      80: #define mem_size(x)            (mem_len((x)) * sizeof(u_int))
1.4.2.1   misho      81: 
                     82: 
1.1       misho      83: #define LOGERR { \
1.3       misho      84:                        sess_Errno = errno; \
                     85:                        strlcpy(sess_Error, strerror(errno), sizeof sess_Error); \
1.1       misho      86:                }
                     87: 
                     88: /*
                     89: union semun {
                     90:        int                     val;
                     91:        struct semid_ds         *buf;
                     92:        unsigned short int      *array;
                     93:        struct seminfo          *__buf;
1.2       misho      94: }; */
                     95: #ifndef HAVE_UNION_SEMUN
                     96: union semun {
                     97:        int             val;            /* value for SETVAL */
                     98:        struct semid_ds *buf;           /* buffer for IPC_STAT & IPC_SET */
                     99:        unsigned short  *array;         /* array for GETALL & SETALL */
1.1       misho     100: };
1.2       misho     101: #endif
1.1       misho     102: 
1.4       misho     103: typedef struct _tagSessHdr {
                    104:        uint16_t        hdr_magic;
                    105:        uint16_t        hdr_argc;
                    106: } sess_hdr_t;
                    107: 
1.1       misho     108: 
1.3       misho     109: extern int sess_Errno;
                    110: extern char sess_Error[STRSIZ];
1.1       misho     111: 
                    112: 
                    113: #endif