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  1. /*
  2. * Copyright (c) 1988, 1993
  3. * The Regents of the University of California. All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. All advertising materials mentioning features or use of this software
  14. * must display the following acknowledgement:
  15. * This product includes software developed by the University of
  16. * California, Berkeley and its contributors.
  17. * 4. Neither the name of the University nor the names of its contributors
  18. * may be used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31. * SUCH DAMAGE.
  32. *
  33. * @(#)syslimits.h 8.1 (Berkeley) 6/2/93
  34. * $FreeBSD: src/sys/sys/syslimits.h,v 1.10 2001/06/18 20:24:54 wollman Exp $
  35. */
  36. #ifndef _SYS_SYSLIMITS_H_
  37. #define _SYS_SYSLIMITS_H_
  38. #define ARG_MAX 65536 /* max bytes for an exec function */
  39. #ifndef CHILD_MAX
  40. #define CHILD_MAX 40 /* max simultaneous processes */
  41. #endif
  42. #define LINK_MAX 32767 /* max file link count */
  43. #define MAX_CANON 255 /* max bytes in term canon input line */
  44. #define MAX_INPUT 255 /* max bytes in terminal input */
  45. #define NAME_MAX 255 /* max bytes in a file name */
  46. #define NGROUPS_MAX 16 /* max supplemental group id's */
  47. #ifndef OPEN_MAX
  48. #define OPEN_MAX 64 /* 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. #define IOV_MAX 1024 /* max elements in i/o vector */
  53. #define BC_BASE_MAX 99 /* max ibase/obase values in bc(1) */
  54. #define BC_DIM_MAX 2048 /* max array elements in bc(1) */
  55. #define BC_SCALE_MAX 99 /* max scale value in bc(1) */
  56. #define BC_STRING_MAX 1000 /* max const string length in bc(1) */
  57. #define COLL_WEIGHTS_MAX 0 /* max weights for order keyword */
  58. #define EXPR_NEST_MAX 32 /* max expressions nested in expr(1) */
  59. #define LINE_MAX 2048 /* max bytes in an input line */
  60. #define RE_DUP_MAX 255 /* max RE's in interval notation */
  61. #endif