1 /* O_*, F_*, FD_* bit values for Linux/SPARC.
2 Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
21 #define _FCNTLBITS_H 1
23 #include <sys/types.h>
25 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
26 located on an ext2 file system */
27 #define O_RDONLY 0x0000
28 #define O_WRONLY 0x0001
30 #define O_ACCMODE 0x0003
31 #define O_APPEND 0x0008
32 #define O_ASYNC 0x0040
33 #define O_CREAT 0x0200 /* not fcntl */
34 #define O_TRUNC 0x0400 /* not fcntl */
35 #define O_EXCL 0x0800 /* not fcntl */
37 #define O_NONBLOCK 0x4000
38 #define O_NDELAY (0x0004 | O_NONBLOCK)
39 #define O_NOCTTY 0x8000 /* not fcntl */
40 #define O_DIRECTORY 0x10000 /* must be a directory */
41 #define O_NOFOLLOW 0x20000 /* don't follow links */
46 /* Values for the second argument to `fcntl'. */
47 #define F_DUPFD 0 /* Duplicate file descriptor. */
48 #define F_GETFD 1 /* Get file descriptor flags. */
49 #define F_SETFD 2 /* Set file descriptor flags. */
50 #define F_GETFL 3 /* Get file status flags. */
51 #define F_SETFL 4 /* Set file status flags. */
53 # define F_GETOWN 5 /* Get owner of socket (receiver of SIGIO). */
54 # define F_SETOWN 6 /* Set owner of socket (receiver of SIGIO). */
56 #define F_GETLK 7 /* Get record locking info. */
57 #define F_SETLK 8 /* Set record locking info (non-blocking). */
58 #define F_SETLKW 9 /* Set record locking info (blocking). */
61 # define F_SETSIG 10 /* Set number of signal to be sent. */
62 # define F_GETSIG 11 /* Get number of signal to be sent. */
66 #define F_GETLK64 7 /* Get record locking info. */
67 #define F_SETLK64 8 /* Set record locking info (non-blocking). */
68 #define F_SETLKW64 9 /* Set record locking info (blocking). */
70 /* for F_[GET|SET]FL */
71 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
73 /* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
74 #define F_RDLCK 1 /* Read lock. */
75 #define F_WRLCK 2 /* Write lock. */
76 #define F_UNLCK 3 /* Remove lock. */
78 /* for old implementation of bsd flock () */
79 #define F_EXLCK 4 /* or 3 */
80 #define F_SHLCK 8 /* or 4 */
83 /* Operations for bsd flock(), also used by the kernel implementation */
84 # define LOCK_SH 1 /* shared lock */
85 # define LOCK_EX 2 /* exclusive lock */
86 # define LOCK_NB 4 /* or'd with one of the above to prevent
88 # define LOCK_UN 8 /* remove lock */
93 short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
94 short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
95 #ifndef __USE_FILE_OFFSET64
96 __off_t l_start; /* Offset where the lock begins. */
97 __off_t l_len; /* Size of the locked area; zero means until EOF. */
99 __off64_t l_start; /* Offset where the lock begins. */
100 __off64_t l_len; /* Size of the locked area; zero means until EOF. */
102 __pid_t l_pid; /* Process holding the lock. */
106 #ifdef __USE_LARGEFILE64
109 short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
110 short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
111 __off64_t l_start; /* Offset where the lock begins. */
112 __off64_t l_len; /* Size of the locked area; zero means until EOF. */
113 __pid_t l_pid; /* Process holding the lock. */
118 /* Define some more compatibility macros to be backward compatible with
119 BSD systems which did not managed to hide these kernel macros. */
121 # define FAPPEND O_APPEND
122 # define FFSYNC O_FSYNC
123 # define FASYNC O_ASYNC
124 # define FNONBLOCK O_NONBLOCK
125 # define FNDELAY O_NDELAY
126 #endif /* Use BSD. */