StdLib/Include/sys/syslimits.h

   1 /** @file
   2   Platform specific values for <limits.h>.
   3
   4   Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13  * Copyright (c) 1988, 1993
  14  *  The Regents of the University of California.  All rights reserved.
  15  *
  16  * Redistribution and use in source and binary forms, with or without
  17  * modification, are permitted provided that the following conditions
  18  * are met:
  19  * 1. Redistributions of source code must retain the above copyright
  20  *    notice, this list of conditions and the following disclaimer.
  21  * 2. Redistributions in binary form must reproduce the above copyright
  22  *    notice, this list of conditions and the following disclaimer in the
  23  *    documentation and/or other materials provided with the distribution.
  24  * 3. Neither the name of the University nor the names of its contributors
  25  *    may be used to endorse or promote products derived from this software
  26  *    without specific prior written permission.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  38  * SUCH DAMAGE.
  39  *
  40  *  syslimits.h 8.1 (Berkeley) 6/2/93
  41  *  NetBSD: syslimits.h,v 1.23 2005/12/11 12:25:21 christos Exp
  42 **/
  43
  44 #ifndef _SYS_SYSLIMITS_H_
  45 #define _SYS_SYSLIMITS_H_
  46
  47 #include <sys/featuretest.h>
  48
  49 #define ARG_MAX     (2 * 1024)  ///< Maximum bytes for an exec function.
  50 #define ARGC_MAX          (64)  ///< Maximum value for argc.
  51
  52 #define MAX_INPUT         255   ///< Maximum bytes in terminal input.
  53 #define MAX_OUTPUT        255   ///< Maximum bytes in terminal output.
  54 #define NAME_MAX          255   ///< Maximum bytes in a file name.
  55 #ifndef OPEN_MAX
  56   #define OPEN_MAX         20   ///< Maximum open files per process.
  57 #endif
  58 #define PATH_MAX         1024   ///< Maximum bytes in pathname.
  59 #define PIPE_BUF          512   ///< Maximum bytes for atomic pipe writes.
  60
  61 #ifndef CHILD_MAX
  62   #define CHILD_MAX       128   ///< Maximum simultaneous processes.
  63 #endif
  64
  65 #define LOGIN_NAME_MAX     17   ///< Maximum login name length including the NUL.
  66
  67 #endif /* !_SYS_SYSLIMITS_H_ */