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Annotation of sys/sys/syslimits.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: syslimits.h,v 1.10 2005/12/31 19:29:39 millert Exp $  */
        !             2: /*     $NetBSD: syslimits.h,v 1.12 1995/10/05 05:26:19 thorpej Exp $   */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1988, 1993
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. Neither the name of the University nor the names of its contributors
        !            17:  *    may be used to endorse or promote products derived from this software
        !            18:  *    without specific prior written permission.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            30:  * SUCH DAMAGE.
        !            31:  *
        !            32:  *     @(#)syslimits.h 8.1 (Berkeley) 6/2/93
        !            33:  */
        !            34:
        !            35: #include <sys/cdefs.h>
        !            36:
        !            37: #if __POSIX_VISIBLE || __XPG_VISIBLE || __BSD_VISIBLE
        !            38: #define        ARG_MAX          (256 * 1024)   /* max bytes for an exec function */
        !            39: #define        CHILD_MAX                  80   /* max simultaneous processes */
        !            40: #define        LINK_MAX                32767   /* max file link count */
        !            41: #define        MAX_CANON                 255   /* max bytes in term canon input line */
        !            42: #define        MAX_INPUT                 255   /* max bytes in terminal input */
        !            43: #define        NAME_MAX                  255   /* max bytes in a file name */
        !            44: #define        NGROUPS_MAX                16   /* max supplemental group id's */
        !            45: #define        OPEN_MAX                   64   /* max open files per process */
        !            46: #define        PATH_MAX                 1024   /* max bytes in pathname */
        !            47: #define        PIPE_BUF                  512   /* max bytes for atomic pipe writes */
        !            48: #define        SYMLINK_MAX          PATH_MAX   /* max bytes in a symbolic link */
        !            49: #define        SYMLOOP_MAX                32   /* max symlinks per path (for loops) */
        !            50:
        !            51: #define        BC_BASE_MAX           INT_MAX   /* max ibase/obase values in bc(1) */
        !            52: #define        BC_DIM_MAX              65535   /* max array elements in bc(1) */
        !            53: #define        BC_SCALE_MAX          INT_MAX   /* max scale value in bc(1) */
        !            54: #define        BC_STRING_MAX         INT_MAX   /* max const string length in bc(1) */
        !            55: #define        COLL_WEIGHTS_MAX            2   /* max weights for order keyword */
        !            56: #define        EXPR_NEST_MAX              32   /* max expressions nested in expr(1) */
        !            57: #define        LINE_MAX                 2048   /* max bytes in an input line */
        !            58: #ifndef RE_DUP_MAX
        !            59: #define        RE_DUP_MAX                255   /* max RE's in interval notation */
        !            60: #endif
        !            61:
        !            62: #if __XPG_VISIBLE
        !            63: #define        IOV_MAX                  1024   /* max # of iov's (readv,sendmsg,etc) */
        !            64: #define        NZERO                      20   /* default "nice" */
        !            65: #endif /* __XPG_VISIBLE */
        !            66:
        !            67: #endif /* __POSIX_VISIBLE || __XPG_VISIBLE || __BSD_VISIBLE */
        !            68:
        !            69: #if __XPG_VISIBLE >= 500 || __POSIX_VISIBLE >= 199506 || __BSD_VISIBLE
        !            70: #define TTY_NAME_MAX           260     /* max tty device name length w/ NUL */
        !            71: #define LOGIN_NAME_MAX          32     /* max login name length w/ NUL */
        !            72: #endif /* __XPG_VISIBLE >= 500 || __POSIX_VISIBLE >= 199506 || __BSD_VISIBLE */