StdLib/Include/sys/syslimits.h

   1 /*  $NetBSD: syslimits.h,v 1.23 2005/12/11 12:25:21 christos Exp $  */
   2
   3 /*
   4  * Copyright (c) 1988, 1993
   5  *  The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *  @(#)syslimits.h 8.1 (Berkeley) 6/2/93
  32  */
  33
  34 #ifndef _SYS_SYSLIMITS_H_
  35 #define _SYS_SYSLIMITS_H_
  36
  37 #include <sys/featuretest.h>
  38
  39 #define ARG_MAX    (2 * 1024) /* max bytes for an exec function */
  40 #define ARGC_MAX       (64)   /* Maximum value for argc */
  41
  42 #ifndef CHILD_MAX
  43   #define CHILD_MAX     128 /* max simultaneous processes */
  44 #endif
  45 #define MAX_INPUT     255 /* max bytes in terminal input */
  46 #define NAME_MAX      255 /* max bytes in a file name */
  47 #ifndef OPEN_MAX
  48   #define OPEN_MAX       20 /* max open files per process */
  49 #endif
  50 #define PATH_MAX     1024 /* max bytes in pathname */
  51 #define PIPE_BUF      512 /* max bytes for atomic pipe writes */
  52
  53 #define LOGIN_NAME_MAX       17 /* max login name length incl. NUL */
  54
  55 #endif /* !_SYS_SYSLIMITS_H_ */