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      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 (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 /*	Copyright (c) 1988 AT&T	*/
     27 /*	  All Rights Reserved  	*/
     28 
     29 
     30 #ifndef	_FCNTL_H
     31 #define	_FCNTL_H
     32 
     33 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.6.1.7 */
     34 
     35 #include <sys/feature_tests.h>
     36 #if defined(__EXTENSIONS__) || defined(_XPG4)
     37 #include <sys/stat.h>
     38 #endif
     39 #include <sys/types.h>
     40 #include <sys/fcntl.h>
     41 
     42 #ifdef	__cplusplus
     43 extern "C" {
     44 #endif
     45 
     46 #if defined(__EXTENSIONS__) || defined(_XPG4)
     47 
     48 /* Symbolic constants for the "lseek" routine. */
     49 
     50 #ifndef	SEEK_SET
     51 #define	SEEK_SET	0	/* Set file pointer to "offset" */
     52 #endif
     53 
     54 #ifndef	SEEK_CUR
     55 #define	SEEK_CUR	1	/* Set file pointer to current plus "offset" */
     56 #endif
     57 
     58 #ifndef	SEEK_END
     59 #define	SEEK_END	2	/* Set file pointer to EOF plus "offset" */
     60 #endif
     61 #endif /* defined(__EXTENSIONS__) || defined(_XPG4) */
     62 
     63 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
     64 #ifndef	SEEK_DATA
     65 #define	SEEK_DATA	3	/* Set file pointer to next data past offset */
     66 #endif
     67 
     68 #ifndef	SEEK_HOLE
     69 #define	SEEK_HOLE	4	/* Set file pointer to next hole past offset */
     70 #endif
     71 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
     72 
     73 
     74 /* large file compilation environment setup */
     75 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
     76 #ifdef __PRAGMA_REDEFINE_EXTNAME
     77 #pragma redefine_extname	open	open64
     78 #pragma redefine_extname	creat	creat64
     79 #if defined(__EXTENSIONS__) || defined(_XPG6) || !defined(__XOPEN_OR_POSIX)
     80 #pragma redefine_extname	posix_fallocate posix_fallocate64
     81 #endif /* defined(__EXTENSIONS__) || defined(_XPG6) ||  ... */
     82 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
     83 	defined(_ATFILE_SOURCE)
     84 #pragma redefine_extname	openat	openat64
     85 #pragma	redefine_extname	attropen attropen64
     86 #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
     87 #else
     88 #define	open			open64
     89 #define	creat			creat64
     90 #if defined(__EXTENSIONS__) || defined(_XPG6) || !defined(__XOPEN_OR_POSIX)
     91 #define	posix_fallocate		posix_fallocate64
     92 #endif /* defined(__EXTENSIONS__) || defined(_XPG6) ||  ... */
     93 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
     94 	defined(_ATFILE_SOURCE)
     95 #define	openat			openat64
     96 #define	attropen		attropen64
     97 #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
     98 #endif
     99 #endif	/* !_LP64 && _FILE_OFFSET_BITS == 64 */
    100 
    101 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
    102 #ifdef __PRAGMA_REDEFINE_EXTNAME
    103 #pragma	redefine_extname	open64	open
    104 #pragma	redefine_extname	creat64	creat
    105 #if defined(__EXTENSIONS__) || defined(_XPG6) || !defined(__XOPEN_OR_POSIX)
    106 #pragma redefine_extname	posix_fallocate64 posix_fallocate
    107 #endif /* defined(__EXTENSIONS__) || defined(_XPG6) ||  ... */
    108 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
    109 	defined(_ATFILE_SOURCE)
    110 #pragma	redefine_extname	openat64	openat
    111 #pragma	redefine_extname	attropen64	attropen
    112 #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
    113 #else
    114 #define	open64				open
    115 #define	creat64				creat
    116 #if defined(__EXTENSIONS__) || defined(_XPG6) || !defined(__XOPEN_OR_POSIX)
    117 #define	posix_fallocate64		posix_fallocate
    118 #endif /* defined(__EXTENSIONS__) || defined(_XPG6) ||  ... */
    119 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
    120 	defined(_ATFILE_SOURCE)
    121 #define	openat64			openat
    122 #define	attropen64			attropen
    123 #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
    124 #endif
    125 #endif	/* _LP64 && _LARGEFILE64_SOURCE */
    126 
    127 #if defined(__STDC__)
    128 
    129 extern int fcntl(int, int, ...);
    130 extern int open(const char *, int, ...);
    131 extern int creat(const char *, mode_t);
    132 #if defined(__EXTENSIONS__) || defined(_XPG6) || !defined(__XOPEN_OR_POSIX)
    133 extern int posix_fallocate(int, off_t, off_t);
    134 #endif /* defined(__EXTENSIONS__) || defined(_XPG6) || ... */
    135 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
    136 	defined(_ATFILE_SOURCE)
    137 extern int openat(int, const char *, int, ...);
    138 extern int attropen(const char *, const char *, int, ...);
    139 #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
    140 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
    141 extern int directio(int, int);
    142 #endif
    143 
    144 /* transitional large file interface versions */
    145 #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
    146 	    !defined(__PRAGMA_REDEFINE_EXTNAME))
    147 extern int open64(const char *, int, ...);
    148 extern int creat64(const char *, mode_t);
    149 #if defined(__EXTENSIONS__) || defined(_XPG6) || !defined(__XOPEN_OR_POSIX)
    150 extern int posix_fallocate64(int, off64_t, off64_t);
    151 #endif /* defined(__EXTENSIONS__) || defined(_XPG6) || ... */
    152 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
    153 	defined(_ATFILE_SOURCE)
    154 extern int openat64(int, const char *, int, ...);
    155 extern int attropen64(const char *, const char *, int, ...);
    156 #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
    157 #endif
    158 
    159 #else	/* defined(__STDC__) */
    160 
    161 extern int fcntl();
    162 extern int open();
    163 extern int creat();
    164 #if defined(__EXTENSIONS__) || defined(_XPG6) || !defined(__XOPEN_OR_POSIX)
    165 extern int posix_fallocate();
    166 #endif /* defined(__EXTENSIONS__) || defined(_XPG6) || ... */
    167 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
    168 	defined(_ATFILE_SOURCE)
    169 extern int openat();
    170 extern int attropen();
    171 #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
    172 
    173 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
    174 extern int directio();
    175 #endif
    176 
    177 /* transitional large file interface versions */
    178 #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
    179 	    !defined(__PRAGMA_REDEFINE_EXTNAME))
    180 extern int open64();
    181 extern int creat64();
    182 #if defined(__EXTENSIONS__) || defined(_XPG6) || !defined(__XOPEN_OR_POSIX)
    183 extern int posix_fallocate64();
    184 #endif /* defined(__EXTENSIONS__) || defined(_XPG6) || ... */
    185 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
    186 	defined(_ATFILE_SOURCE)
    187 extern int openat64();
    188 extern int attropen64();
    189 #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
    190 #endif
    191 
    192 #endif	/* defined(__STDC__) */
    193 
    194 #ifdef	__cplusplus
    195 }
    196 #endif
    197 
    198 #endif	/* _FCNTL_H */
    199