| t2ex/bsd_source/lib/libc/src_bsd/include/sys/syslimits.h | bare source | permlink (0.02 seconds) |
1: /* $OpenBSD: syslimits.h,v 1.11 2008/02/02 15:31:31 kettenis 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 */ 73: 74: #if __POSIX_VISIBLE >= 200112 75: #define HOST_NAME_MAX 255 76: #endif