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/* Copyright (C) 1991, 1992, 1993, 1996, 1998 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */


/*
 *      POSIX Standard: 2.9.2 Minimum Values    Added to <limits.h>
 *
 *      Never include this file directly; use <limits.h> instead.
 */


#ifndef _BITS_POSIX1_LIM_H
#define _BITS_POSIX1_LIM_H      1


/* These are the standard-mandated minimum values.  */

/* Minimum number of operations in one list I/O call.  */
#define _POSIX_AIO_LISTIO_MAX   2

/* Minimal number of outstanding asynchronous I/O operations.  */
#define _POSIX_AIO_MAX          1

/* Maximum length of arguments to `execve', including environment.  */
#define _POSIX_ARG_MAX          4096

/* Maximum simultaneous processes per real user ID.  */
#define _POSIX_CHILD_MAX        6

/* Minimal number of timer expiration overruns.  */
#define _POSIX_DELAYTIMER_MAX   32

/* Maximum link count of a file.  */
#define _POSIX_LINK_MAX         8

/* Number of bytes in a terminal canonical input queue.  */
#define _POSIX_MAX_CANON        255

/* Number of bytes for which space will be
   available in a terminal input queue.  */

#define _POSIX_MAX_INPUT        255

/* Maximum number of message queues open for a process.  */
#define _POSIX_MQ_OPEN_MAX      8

/* Maximum number of supported message priorities.  */
#define _POSIX_MQ_PRIO_MAX      32

/* Number of simultaneous supplementary group IDs per process.  */
#define _POSIX_NGROUPS_MAX      0

/* Number of files one process can have open at once.  */
#define _POSIX_OPEN_MAX         16

/* Number of descriptors that a process may examine with `pselect' or
   `select'.  */

#define _POSIX_FD_SETSIZE       _POSIX_OPEN_MAX

/* Number of bytes in a filename.  */
#define _POSIX_NAME_MAX         14

/* Number of bytes in a pathname.  */
#define _POSIX_PATH_MAX         255

/* Number of bytes than can be written atomically to a pipe.  */
#define _POSIX_PIPE_BUF         512

/* Minimal number of realtime signals reserved for the application.  */
#define _POSIX_RTSIG_MAX        8

/* Number of semaphores a process can have.  */
#define _POSIX_SEM_NSEMS_MAX    256

/* Maximal value of a semaphore.  */
#define _POSIX_SEM_VALUE_MAX    32767

/* Number of pending realtime signals.  */
#define _POSIX_SIGQUEUE_MAX     32

/* Largest value of a `ssize_t'.  */
#define _POSIX_SSIZE_MAX        32767

/* Number of streams a process can have open at once.  */
#define _POSIX_STREAM_MAX       8

/* Maximum length of a timezone name (element of `tzname').  */
#define _POSIX_TZNAME_MAX       3

/* Maximum number of connections that can be queued on a socket.  */
#define _POSIX_QLIMIT           1

/* Maximum number of bytes that can be buffered on a socket for send
   or receive.  */

#define _POSIX_HIWAT            _POSIX_PIPE_BUF

/* Maximum number of elements in an `iovec' array.  */
#define _POSIX_UIO_MAXIOV       16

/* Maximum number of characters in a tty name.  */
#define _POSIX_TTY_NAME_MAX     9

/* Number of timer for a process.  */
#define _POSIX_TIMER_MAX        32

/* Maximum length of login name.  */
#define _POSIX_LOGIN_NAME_MAX   9

/* Maximum clock resolution in nanoseconds.  */
#define _POSIX_CLOCKRES_MIN     20000000


/* Get the implementation-specific values for the above.  */
#include <bits/local_lim.h>


#ifndef SSIZE_MAX
# define SSIZE_MAX      INT_MAX
#endif


/* This value is a guaranteed minimum maximum.
   The current maximum can be got from `sysconf'.  */


#ifndef NGROUPS_MAX
# define NGROUPS_MAX    _POSIX_NGROUPS_MAX
#endif

#endif  /* bits/posix1_lim.h  */