usr/src/ucbhead/unistd.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 /*
  31  * University Copyright- Copyright (c) 1982, 1986, 1988
  32  * The Regents of the University of California
  33  * All Rights Reserved
  34  *
  35  * University Acknowledgment- Portions of this document are derived from
  36  * software developed by the University of California, Berkeley, and its
  37  * contributors.
  38  */
  39
  40 #ifndef _UNISTD_H
  41 #define _UNISTD_H
  42
  43 #include <sys/fcntl.h>
  44 #include <sys/null.h>
  45
  46 #ifdef __cplusplus
  47 extern "C" {
  48 #endif
  49
  50 /* Symbolic constants for the "access" routine: */
  51 #define R_OK    4       /* Test for Read permission */
  52 #define W_OK    2       /* Test for Write permission */
  53 #define X_OK    1       /* Test for eXecute permission */
  54 #define F_OK    0       /* Test for existence of File */
  55
  56 #define F_ULOCK 0       /* Unlock a previously locked region */
  57 #define F_LOCK  1       /* Lock a region for exclusive use */
  58 #define F_TLOCK 2       /* Test and lock a region for exclusive use */
  59 #define F_TEST  3       /* Test a region for other processes locks */
  60
  61
  62 /* Symbolic constants for the "lseek" routine: */
  63 #define SEEK_SET        0       /* Set file pointer to "offset" */
  64 #define SEEK_CUR        1       /* Set file pointer to current plus "offset" */
  65 #define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
  66
  67 /* Path names: */
  68 #define GF_PATH "/etc/group"    /* Path name of the "group" file */
  69 #define PF_PATH "/etc/passwd"   /* Path name of the "passwd" file */
  70
  71
  72 /* command names for POSIX sysconf */
  73 #define _SC_ARG_MAX     1
  74 #define _SC_CHILD_MAX   2
  75 #define _SC_CLK_TCK     3
  76 #define _SC_NGROUPS_MAX 4
  77 #define _SC_OPEN_MAX    5
  78 #define _SC_JOB_CONTROL 6
  79 #define _SC_SAVED_IDS   7
  80 #define _SC_VERSION     8
  81 #define _SC_PASS_MAX    9
  82 #define _SC_LOGNAME_MAX 10
  83 #define _SC_PAGESIZE    11
  84 #define _SC_XOPEN_VERSION       12
  85 /* 13 reserved for SVr4-ES/MP _SC_NACLS_MAX */
  86 /* 14 reserved for SVr4-ES/MP _SC_NPROC_CONF */
  87 /* 15 reserved for SVr4-ES/MP _SC_NPROC_ONLN */
  88 #define _SC_STREAM_MAX  16
  89 #define _SC_TZNAME_MAX  17
  90
  91 /* command names for POSIX pathconf */
  92
  93 #define _PC_LINK_MAX    1
  94 #define _PC_MAX_CANON   2
  95 #define _PC_MAX_INPUT   3
  96 #define _PC_NAME_MAX    4
  97 #define _PC_PATH_MAX    5
  98 #define _PC_PIPE_BUF    6
  99 #define _PC_NO_TRUNC    7
 100 #define _PC_VDISABLE    8
 101 #define _PC_CHOWN_RESTRICTED    9
 102 #define _PC_LAST        9
 103
 104 /*
 105  * compile-time symbolic constants,
 106  * Support does not mean the feature is enabled.
 107  * Use pathconf/sysconf to obtain actual configuration value.
 108  */
 109
 110 #define _POSIX_JOB_CONTROL      1
 111 #define _POSIX_SAVED_IDS        1
 112
 113 #ifndef _POSIX_VDISABLE
 114 #define _POSIX_VDISABLE         0
 115 #endif
 116
 117 #define STDIN_FILENO    0
 118 #define STDOUT_FILENO   1
 119 #define STDERR_FILENO   2
 120
 121 /* Current version of POSIX */
 122 #define _POSIX_VERSION          199009L
 123
 124 /* large file compilation environment setup */
 125 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
 126 #ifdef __PRAGMA_REDEFINE_EXTNAME
 127 #pragma redefine_extname        lseek   lseek64
 128 #else
 129 #define lseek                   lseek64
 130 #endif
 131 #endif  /* !_LP64 && _FILE_OFFSET_BITS == 64 */
 132
 133 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
 134 #ifdef __PRAGMA_REDEFINE_EXTNAME
 135 #pragma redefine_extname        lseek64 lseek
 136 #else
 137 #define lseek64                 lseek
 138 #endif
 139 #endif  /* _LP64 && _LARGEFILE64_SOURCE */
 140
 141 #if defined(__STDC__)
 142 extern pid_t getpid(void);
 143 extern pid_t getppid(void);
 144 extern pid_t getpgrp(void);
 145 extern uid_t getuid(void);
 146 extern int setpgid(pid_t, pid_t);
 147 extern int setpgrp(pid_t, pid_t);       /* BSD */
 148
 149 extern int stime(const time_t *);
 150
 151 extern long pathconf(const char *, int);
 152 extern long sysconf(int);
 153
 154 extern char *getwd(char *);
 155 extern long gethostid(void);
 156
 157 extern ssize_t read(int, void *, size_t);
 158 extern ssize_t write(int, const void *, size_t);
 159 extern int ioctl(int, int, ...);
 160 extern int close(int);
 161 extern off_t lseek(int, off_t, int);
 162 #else
 163 extern off_t lseek();
 164 #endif
 165
 166 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
 167         !defined(__PRAGMA_REDEFINE_EXTNAME))
 168 #if defined(__STDC__)
 169 extern off64_t lseek64(int, off64_t, int);
 170 #else
 171 extern off64_t lseek64();
 172 #endif
 173 #endif  /* _LARGEFILE64_SOURCE... */
 174
 175 #ifdef __cplusplus
 176 }
 177 #endif
 178
 179 #endif  /* _UNISTD_H */