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/include/sys/unistd.h

https://bitbucket.org/warthurton/gno
C Header | 122 lines | 59 code | 12 blank | 51 comment | 0 complexity | 910688cdccd040b015e6d59b6662d2f6 MD5 | raw file
Possible License(s): AGPL-1.0 
    

  1. /*
    2. 

  2.  * Copyright (c) 1989, 1993
    3. 

  3.  *	The Regents of the University of California.  All rights reserved.
    4. 

  4.  *
    5. 

  5.  * Redistribution and use in source and binary forms, with or without
    6. 

  6.  * modification, are permitted provided that the following conditions
    7. 

  7.  * are met:
    8. 

  8.  * 1. Redistributions of source code must retain the above copyright
    9. 

  9.  *    notice, this list of conditions and the following disclaimer.
    10. 

  10.  * 2. Redistributions in binary form must reproduce the above copyright
    11. 

  11.  *    notice, this list of conditions and the following disclaimer in the
    12. 

  12.  *    documentation and/or other materials provided with the distribution.
    13. 

  13.  * 3. All advertising materials mentioning features or use of this software
    14. 

  14.  *    must display the following acknowledgement:
    15. 

  15.  *	This product includes software developed by the University of
    16. 

  16.  *	California, Berkeley and its contributors.
    17. 

  17.  * 4. Neither the name of the University nor the names of its contributors
    18. 

  18.  *    may be used to endorse or promote products derived from this software
    19. 

  19.  *    without specific prior written permission.
    20. 

  20.  *
    21. 

  21.  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    22. 

  22.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    23. 

  23.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    24. 

  24.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    25. 

  25.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    26. 

  26.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    27. 

  27.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    28. 

  28.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    29. 

  29.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    30. 

  30.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    31. 

  31.  * SUCH DAMAGE.
    32. 

  32.  *
    33. 

  33.  *	@(#)unistd.h	8.2 (Berkeley) 1/7/94
    34. 

  34.  * $Id: unistd.h 40 1997-02-28 04:42:19Z gdr $
    35. 

  35.  */
    36. 

  36. 

  37. #ifndef _SYS_UNISTD_H_
    38. 

  38. #define	_SYS_UNISTD_H_
    39. 

  39. 

  40. /* compile-time symbolic constants */
    41. 

  41. #define	_POSIX_JOB_CONTROL	/* implementation supports job control */
    42. 

  42. 

  43. /*
    44. 

  44.  * This feature does not work for root according to POSIX 1003.1.
    45. 

  45.  * We use the saved IDs in seteuid/setegid, which are not currently
    46. 

  46.  * part of the POSIX 1003.1 specification.
    47. 

  47.  */
    48. 

  48. #define	_POSIX_SAVED_IDS	/* saved set-user-ID and set-group-ID */
    49. 

  49. 

  50. #define	_POSIX_VERSION		198808L
    51. 

  51. #undef	_POSIX2_VERSION		/* 199212L */		/* non-BSD */
    52. 

  52. 

  53. /* execution-time symbolic constants */
    54. 

  54. 				/* chown requires appropriate privileges */
    55. 

  55. #define	_POSIX_CHOWN_RESTRICTED	1
    56. 

  56. 				/* too-long path components generate errors */
    57. 

  57. #define	_POSIX_NO_TRUNC		1
    58. 

  58. 				/* may disable terminal special characters */
    59. 

  59. #define	_POSIX_VDISABLE		0xff
    60. 

  60. 

  61. /* access function */
    62. 

  62. #define	F_OK		0	/* test for existence of file */
    63. 

  63. #define	X_OK		0x01	/* test for execute or search permission */
    64. 

  64. #define	W_OK		0x02	/* test for write permission */
    65. 

  65. #define	R_OK		0x04	/* test for read permission */
    66. 

  66. 

  67. /* whence values for lseek(2) */
    68. 

  68. #define	SEEK_SET	0	/* set file offset to offset */
    69. 

  69. #define	SEEK_CUR	1	/* set file offset to current plus offset */
    70. 

  70. #define	SEEK_END	2	/* set file offset to EOF plus offset */
    71. 

  71. 

  72. #ifndef _POSIX_SOURCE
    73. 

  73. /* whence values for lseek(2); renamed by POSIX 1003.1 */
    74. 

  74. #define	L_SET		SEEK_SET
    75. 

  75. #define	L_INCR		SEEK_CUR
    76. 

  76. #define	L_XTND		SEEK_END
    77. 

  77. #endif
    78. 

  78. 

  79. /* configurable pathname variables */
    80. 

  80. #define	_PC_LINK_MAX		 1
    81. 

  81. #define	_PC_MAX_CANON		 2
    82. 

  82. #define	_PC_MAX_INPUT		 3
    83. 

  83. #define	_PC_NAME_MAX		 4
    84. 

  84. #define	_PC_PATH_MAX		 5
    85. 

  85. #define	_PC_PIPE_BUF		 6
    86. 

  86. #define	_PC_CHOWN_RESTRICTED	 7
    87. 

  87. #define	_PC_NO_TRUNC		 8
    88. 

  88. #define	_PC_VDISABLE		 9
    89. 

  89. 

  90. /* configurable system variables */
    91. 

  91. #define	_SC_ARG_MAX		 1
    92. 

  92. #define	_SC_CHILD_MAX		 2
    93. 

  93. #define	_SC_CLK_TCK		 3
    94. 

  94. #define	_SC_NGROUPS_MAX		 4
    95. 

  95. #define	_SC_OPEN_MAX		 5
    96. 

  96. #define	_SC_JOB_CONTROL		 6
    97. 

  97. #define	_SC_SAVED_IDS		 7
    98. 

  98. #define	_SC_VERSION		 8
    99. 

  99. #define	_SC_BC_BASE_MAX		 9
    100. 

  100. #define	_SC_BC_DIM_MAX		10
    101. 

  101. #define	_SC_BC_SCALE_MAX	11
    102. 

  102. #define	_SC_BC_STRING_MAX	12
    103. 

  103. #define	_SC_COLL_WEIGHTS_MAX	13
    104. 

  104. #define	_SC_EXPR_NEST_MAX	14
    105. 

  105. #define	_SC_LINE_MAX		15
    106. 

  106. #define	_SC_RE_DUP_MAX		16
    107. 

  107. #define	_SC_2_VERSION		17
    108. 

  108. #define	_SC_2_C_BIND		18
    109. 

  109. #define	_SC_2_C_DEV		19
    110. 

  110. #define	_SC_2_CHAR_TERM		20
    111. 

  111. #define	_SC_2_FORT_DEV		21
    112. 

  112. #define	_SC_2_FORT_RUN		22
    113. 

  113. #define	_SC_2_LOCALEDEF		23
    114. 

  114. #define	_SC_2_SW_DEV		24
    115. 

  115. #define	_SC_2_UPE		25
    116. 

  116. #define	_SC_STREAM_MAX		26
    117. 

  117. #define	_SC_TZNAME_MAX		27
    118. 

  118. 

  119. /* configurable system strings */
    120. 

  120. #define	_CS_PATH		 1
    121. 

  121. 

  122. #endif /* !_SYS_UNISTD_H_ */
    123. 

  123.