xref: /titanic_52/usr/src/head/fcntl.h (revision f64ca10231919db05e806441ccd6186ea9c6e734)
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  /*
23   * Copyright 2014 Garrett D'Amore <garrett@damore.org>
24   *
25   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
26   * Use is subject to license terms.
27   */
28  
29  /*	Copyright (c) 1988 AT&T	*/
30  /*	  All Rights Reserved  	*/
31  
32  #ifndef	_FCNTL_H
33  #define	_FCNTL_H
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(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
80  #pragma redefine_extname	posix_fadvise posix_fadvise64
81  #pragma redefine_extname	posix_fallocate posix_fallocate64
82  #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
83  #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
84  	defined(_ATFILE_SOURCE)
85  #pragma redefine_extname	openat	openat64
86  #pragma	redefine_extname	attropen attropen64
87  #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
88  #else
89  #define	open			open64
90  #define	creat			creat64
91  #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
92  #define	posix_fadvise		posix_fadvise64
93  #define	posix_fallocate		posix_fallocate64
94  #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
95  #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
96  	defined(_ATFILE_SOURCE)
97  #define	openat			openat64
98  #define	attropen		attropen64
99  #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
100  #endif
101  #endif	/* !_LP64 && _FILE_OFFSET_BITS == 64 */
102  
103  #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
104  #ifdef __PRAGMA_REDEFINE_EXTNAME
105  #pragma	redefine_extname	open64	open
106  #pragma	redefine_extname	creat64	creat
107  #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
108  #pragma redefine_extname	posix_fadvise64 posix_fadvise
109  #pragma redefine_extname	posix_fallocate64 posix_fallocate
110  #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
111  #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
112  	defined(_ATFILE_SOURCE)
113  #pragma	redefine_extname	openat64	openat
114  #pragma	redefine_extname	attropen64	attropen
115  #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
116  #else
117  #define	open64				open
118  #define	creat64				creat
119  #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
120  #define	posix_fadvise64			posix_fadvise
121  #define	posix_fallocate64		posix_fallocate
122  #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
123  #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
124  	defined(_ATFILE_SOURCE)
125  #define	openat64			openat
126  #define	attropen64			attropen
127  #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
128  #endif
129  #endif	/* _LP64 && _LARGEFILE64_SOURCE */
130  
131  extern int fcntl(int, int, ...);
132  extern int open(const char *, int, ...);
133  extern int creat(const char *, mode_t);
134  #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
135  extern int posix_fadvise(int, off_t, off_t, int);
136  extern int posix_fallocate(int, off_t, off_t);
137  #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
138  #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
139  	defined(_ATFILE_SOURCE)
140  extern int openat(int, const char *, int, ...);
141  extern int attropen(const char *, const char *, int, ...);
142  #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
143  #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
144  extern int directio(int, int);
145  #endif
146  
147  /* transitional large file interface versions */
148  #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
149  	    !defined(__PRAGMA_REDEFINE_EXTNAME))
150  extern int open64(const char *, int, ...);
151  extern int creat64(const char *, mode_t);
152  #if !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || defined(__EXTENSIONS__)
153  extern int posix_fadvise64(int, off64_t, off64_t, int);
154  extern int posix_fallocate64(int, off64_t, off64_t);
155  #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG6) || ... */
156  #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \
157  	defined(_ATFILE_SOURCE)
158  extern int openat64(int, const char *, int, ...);
159  extern int attropen64(const char *, const char *, int, ...);
160  #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
161  #endif
162  
163  #ifdef	__cplusplus
164  }
165  #endif
166  
167  #endif	/* _FCNTL_H */
168