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version 3.2

    1: /*************************************************************************
    2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
    3: *  by Michael Pounov <misho@elwix.org>
    4: *
    5: * $Author: misho $
    6: * $Id: defs.h,v 1.7 2012/07/22 20:39:45 misho Exp $
    7: *
    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: 
   15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   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: */
   46: #ifndef __DEFS_H
   47: #define __DEFS_H
   48: 
   49: 
   50: #define RECV_TIMEOUT		5000
   51: 
   52: #define BUFIO_MODE_LIMIT	0
   53: #define BUFIO_MODE_INFINIT	1
   54: 
   55: /* memory pool helper macros */
   56: 
   57: #define MEM_MAGIC_START	0xAAAAAAAA
   58: #define MEM_MAGIC_STOP	0x55555555
   59: #define MEM_ALLOC_MAX	0xFFFFFFF3
   60: 
   61: #define MEM_MIN_BUCKET	4
   62: #define MEM_MAX_BUCKET	32
   63: 
   64: #define MEM_PTR2LINT(x)	((u_int) ((uintptr_t)(x)) & 0xFFFFFFFF)
   65: #define MEM_PTR2HINT(x)	((u_int) (sizeof(uintptr_t) == sizeof(u_int)) ? 0 : \
   66: 				(((uintptr_t)(x)) >> 32) & 0xFFFFFFFF)
   67: #define MEM_INT2PTR(x)	((void*) ((uintptr_t)(x)))
   68: 
   69: #define MEM_BADADDR(x)	(MEM_PTR2LINT(x) < 0x00001000U || MEM_PTR2LINT(x) > 0xFFFFF000U)
   70: #define MEM_CORRUPT(x)	(!(x) || ((u_int*)(x))[-1] != MEM_MAGIC_START || \
   71: 				((u_int*)(x))[((u_int*)(x))[-2]] != MEM_MAGIC_STOP)
   72: 
   73: #define mem_data(x, _type)	(assert((x)), (_type) ((x)->alloc_mem ? ((x)->alloc_mem + 2) : NULL))
   74: #define mem_len(x)		(assert((x)), (x)->alloc_mem ? *(x)->alloc_mem : 0)
   75: #define mem_size(x)		(mem_len((x)) * sizeof(u_int))
   76: 
   77: 
   78: #define LOGERR	{ \
   79: 			io_Errno = errno; \
   80: 			strlcpy(io_Error, strerror(errno), STRSIZ); \
   81: 		}
   82: 
   83: struct tagBufIO {
   84: 	int		buf_mode;
   85: 	struct {
   86: 		void	*buf_base;
   87: 		off_t	buf_size;
   88: 	};
   89: 	off_t		buf_offset;
   90: 
   91: 	void 		(*buf_unmap)();
   92: };
   93: 
   94: 
   95: extern mpool_t *io_mpool;
   96: extern int use_mm;
   97: 
   98: extern int io_Errno;
   99: extern char io_Error[];
  100: 
  101: inline void io_SetErr(int eno, char *estr, ...);
  102: 
  103: 
  104: #endif