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Reorganization of bits/fcntl.h for Linux
Create a new bits/fcntl-linux.h that contains Linux generic code and a include it from the architecture specific bits/fcntl.h. Architectures done: x86, SPARC, s390
This commit is contained in:
Andreas Jaeger
10
ChangeLog
10
ChangeLog
@ -1,3 +1,13 @@
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2012-10-20 Andreas Jaeger <aj@suse.de>
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* sysdeps/unix/sysv/linux/bits/fcntl-linux.h: New file, contains
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generic values for Linux.
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* sysdeps/unix/sysv/linux/x86/bits/fcntl.h: Remove all definitions
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and declarations that are provided by <bits/fcntl-linux.h> and
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include <bits/fcntl-linux.h>.
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* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
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* sysdeps/unix/sysv/linux/s390/bits/fcntl.h: Likewise.
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2012-10-20 Roland McGrath <roland@hack.frob.com>
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2012-10-20 Roland McGrath <roland@hack.frob.com>
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* io/fcntl.h: Move include of <bits/types.h> to the top and
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* io/fcntl.h: Move include of <bits/types.h> to the top and
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376
sysdeps/unix/sysv/linux/bits/fcntl-linux.h
Normal file
376
sysdeps/unix/sysv/linux/bits/fcntl-linux.h
Normal file
@ -0,0 +1,376 @@
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/* O_*, F_*, FD_* bit values for Linux.
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Copyright (C) 2001-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _FCNTL_H
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# error "Never use <bits/fcntl-linux.h> directly; include <fcntl.h> instead."
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#endif
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/* This file contains shared definitions between Linux architectures
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and is included by <bits/fcntl.h> to declare them. The various
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#ifndef cases allow the architecture specific file to define those
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values with different values.
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A minimal <bits/fcntl.h> contains just:
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struct flock {...}
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#ifdef __USE_LARGEFILE64
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struct flock64 {...}
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#endif
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#include <bits/fcntl-linux.h>
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*/
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#ifdef __USE_GNU
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# include <bits/uio.h>
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#endif
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/* open/fcntl. */
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#define O_ACCMODE 0003
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#define O_RDONLY 00
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#define O_WRONLY 01
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#define O_RDWR 02
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#ifndef O_CREAT
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# define O_CREAT 0100 /* Not fcntl. */
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#endif
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#ifndef O_EXCL
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# define O_EXCL 0200 /* Not fcntl. */
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#endif
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#ifndef O_NOCTTY
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# define O_NOCTTY 0400 /* Not fcntl. */
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#endif
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#ifndef O_TRUNC
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# define O_TRUNC 01000 /* Not fcntl. */
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#endif
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#ifndef O_APPEND
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# define O_APPEND 02000
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#endif
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#ifndef O_NONBLOCK
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# define O_NONBLOCK 04000
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#endif
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#ifndef O_NDELAY
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# define O_NDELAY O_NONBLOCK
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#endif
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#ifndef O_SYNC
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# define O_SYNC 04010000
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#endif
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#define O_FSYNC O_SYNC
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#ifndef O_ASYNC
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# define O_ASYNC 020000
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#endif
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#ifndef __O_LARGEFILE
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# define __O_LARGEFILE 0100000
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#endif
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#ifndef __O_DIRECTORY
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# define __O_DIRECTORY 0200000
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#endif
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#ifndef __O_NOFOLLOW
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# define __O_NOFOLLOW 0400000
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#endif
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#ifndef __O_CLOEXEC
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# define __O_CLOEXEC 02000000
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#endif
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#ifndef __O_DIRECT
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# define __O_DIRECT 040000
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#endif
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#ifndef __O_NOATIME
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# define __O_NOATIME 01000000
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#endif
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#ifndef __O_PATH
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# define __O_PATH 010000000
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#endif
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#ifndef __O_DSYNC
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# define __O_DSYNC 010000
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#endif
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#ifndef F_GETLK
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# define F_GETLK 5 /* Get record locking info. */
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# define F_SETLK 6 /* Set record locking info (non-blocking). */
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# define F_SETLKW 7 /* Set record locking info (blocking). */
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#endif
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#ifndef F_GETLK64
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# define F_GETLK64 12 /* Get record locking info. */
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# define F_SETLK64 13 /* Set record locking info (non-blocking). */
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# define F_SETLKW64 14 /* Set record locking info (blocking). */
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#endif
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#ifdef __USE_LARGEFILE64
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# define O_LARGEFILE __O_LARGEFILE
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#endif
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#ifdef __USE_XOPEN2K8
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# define O_DIRECTORY __O_DIRECTORY /* Must be a directory. */
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# define O_NOFOLLOW __O_NOFOLLOW /* Do not follow links. */
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# define O_CLOEXEC __O_CLOEXEC /* Set close_on_exec. */
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#endif
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#ifdef __USE_GNU
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# define O_DIRECT __O_DIRECT /* Direct disk access. */
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# define O_NOATIME __O_NOATIME /* Do not set atime. */
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# define O_PATH __O_PATH /* Resolve pathname but do not open file. */
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#endif
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/* For now, Linux has no separate synchronicitiy options for read
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operations. We define O_RSYNC therefore as the same as O_SYNC
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since this is a superset. */
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#if defined __USE_POSIX199309 || defined __USE_UNIX98
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# define O_DSYNC __O_DSYNC /* Synchronize data. */
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# define O_RSYNC __O_SYNC /* Synchronize read operations. */
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#endif
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/* Values for the second argument to `fcntl'. */
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#define F_DUPFD 0 /* Duplicate file descriptor. */
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#define F_GETFD 1 /* Get file descriptor flags. */
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#define F_SETFD 2 /* Set file descriptor flags. */
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#define F_GETFL 3 /* Get file status flags. */
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#define F_SETFL 4 /* Set file status flags. */
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#ifndef __F_SETOWN
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# define __F_SETOWN 8
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# define __F_GETOWN 9
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#endif
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#if defined __USE_BSD || defined __USE_UNIX98 || defined __USE_XOPEN2K8
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# define F_SETOWN __F_SETOWN /* Get owner (process receiving SIGIO). */
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# define F_GETOWN __F_GETOWN /* Set owner (process receiving SIGIO). */
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#endif
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#ifndef __F_SETSIG
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# define __F_SETSIG 10 /* Set number of signal to be sent. */
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# define __F_GETSIG 11 /* Get number of signal to be sent. */
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#endif
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#ifndef __F_SETOWN_EX
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# define __F_SETOWN_EX 15 /* Get owner (thread receiving SIGIO). */
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# define __F_GETOWN_EX 16 /* Set owner (thread receiving SIGIO). */
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#endif
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#ifdef __USE_GNU
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# define F_SETSIG __F_SETSIG /* Set number of signal to be sent. */
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# define F_GETSIG __F_GETSIG /* Get number of signal to be sent. */
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# define F_SETOWN_EX __F_SETOWN_EX /* Get owner (thread receiving SIGIO). */
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# define F_GETOWN_EX __F_GETOWN_EX /* Set owner (thread receiving SIGIO). */
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#endif
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#ifdef __USE_GNU
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# define F_SETLEASE 1024 /* Set a lease. */
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# define F_GETLEASE 1025 /* Enquire what lease is active. */
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# define F_NOTIFY 1026 /* Request notifications on a directory. */
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# define F_SETPIPE_SZ 1031 /* Set pipe page size array. */
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# define F_GETPIPE_SZ 1032 /* Set pipe page size array. */
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#endif
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#ifdef __USE_XOPEN2K8
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# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
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close-on-exit set. */
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#endif
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/* For F_[GET|SET]FD. */
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#define FD_CLOEXEC 1 /* Actually anything with low bit set goes */
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#ifndef F_RDLCK
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/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
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# define F_RDLCK 0 /* Read lock. */
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# define F_WRLCK 1 /* Write lock. */
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# define F_UNLCK 2 /* Remove lock. */
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#endif
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/* For old implementation of BSD flock. */
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#ifndef F_EXLCK
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# define F_EXLCK 4 /* or 3 */
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# define F_SHLCK 8 /* or 4 */
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#endif
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#ifdef __USE_BSD
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/* Operations for BSD flock, also used by the kernel implementation. */
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# define LOCK_SH 1 /* Shared lock. */
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# define LOCK_EX 2 /* Exclusive lock. */
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# define LOCK_NB 4 /* Or'd with one of the above to prevent
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blocking. */
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# define LOCK_UN 8 /* Remove lock. */
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#endif
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#ifdef __USE_GNU
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# define LOCK_MAND 32 /* This is a mandatory flock: */
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# define LOCK_READ 64 /* ... which allows concurrent read operations. */
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# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
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# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
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#endif
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#ifdef __USE_GNU
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/* Types of directory notifications that may be requested with F_NOTIFY. */
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# define DN_ACCESS 0x00000001 /* File accessed. */
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# define DN_MODIFY 0x00000002 /* File modified. */
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# define DN_CREATE 0x00000004 /* File created. */
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# define DN_DELETE 0x00000008 /* File removed. */
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# define DN_RENAME 0x00000010 /* File renamed. */
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# define DN_ATTRIB 0x00000020 /* File changed attributes. */
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# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
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|
#endif
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|
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|
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|
#ifdef __USE_GNU
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|
/* Owner types. */
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enum __pid_type
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|
{
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|
F_OWNER_TID = 0, /* Kernel thread. */
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|
F_OWNER_PID, /* Process. */
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|
F_OWNER_PGRP, /* Process group. */
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|
F_OWNER_GID = F_OWNER_PGRP /* Alternative, obsolete name. */
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|
};
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|
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|
/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */
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|
struct f_owner_ex
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|
{
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|
enum __pid_type type; /* Owner type of ID. */
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|
__pid_t pid; /* ID of owner. */
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||||||
|
};
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|
#endif
|
||||||
|
|
||||||
|
/* Define some more compatibility macros to be backward compatible with
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|
BSD systems which did not managed to hide these kernel macros. */
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|
#ifdef __USE_BSD
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||||||
|
# define FAPPEND O_APPEND
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||||||
|
# define FFSYNC O_FSYNC
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||||||
|
# define FASYNC O_ASYNC
|
||||||
|
# define FNONBLOCK O_NONBLOCK
|
||||||
|
# define FNDELAY O_NDELAY
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||||||
|
#endif /* Use BSD. */
|
||||||
|
|
||||||
|
#ifndef __POSIX_FADV_DONTNEED
|
||||||
|
# define __POSIX_FADV_DONTNEED 4
|
||||||
|
# define __POSIX_FADV_NOREUSE 5
|
||||||
|
#endif
|
||||||
|
/* Advise to `posix_fadvise'. */
|
||||||
|
#ifdef __USE_XOPEN2K
|
||||||
|
# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
|
||||||
|
# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
|
||||||
|
# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
|
||||||
|
# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
|
||||||
|
# define POSIX_FADV_DONTNEED __POSIX_FADV_DONTNEED /* Don't need these pages. */
|
||||||
|
# define POSIX_FADV_NOREUSE __POSIX_FADV_NOREUSE /* Data will be accessed once. */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef __USE_GNU
|
||||||
|
/* Flags for SYNC_FILE_RANGE. */
|
||||||
|
# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
|
||||||
|
in the range before performing the
|
||||||
|
write. */
|
||||||
|
# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
|
||||||
|
dirty pages in the range which are
|
||||||
|
not presently under writeback. */
|
||||||
|
# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
|
||||||
|
the range after performing the
|
||||||
|
write. */
|
||||||
|
|
||||||
|
/* Flags for SPLICE and VMSPLICE. */
|
||||||
|
# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
|
||||||
|
# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
|
||||||
|
(but we may still block on the fd
|
||||||
|
we splice from/to). */
|
||||||
|
# define SPLICE_F_MORE 4 /* Expect more data. */
|
||||||
|
# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
|
||||||
|
|
||||||
|
|
||||||
|
/* File handle structure. */
|
||||||
|
struct file_handle
|
||||||
|
{
|
||||||
|
unsigned int handle_bytes;
|
||||||
|
int handle_type;
|
||||||
|
/* File identifier. */
|
||||||
|
unsigned char f_handle[0];
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Maximum handle size (for now). */
|
||||||
|
# define MAX_HANDLE_SZ 128
|
||||||
|
#endif
|
||||||
|
|
||||||
|
__BEGIN_DECLS
|
||||||
|
|
||||||
|
#ifdef __USE_GNU
|
||||||
|
|
||||||
|
/* Provide kernel hint to read ahead. */
|
||||||
|
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
|
||||||
|
__THROW;
|
||||||
|
|
||||||
|
|
||||||
|
/* Selective file content synch'ing.
|
||||||
|
|
||||||
|
This function is a possible cancellation point and therefore not
|
||||||
|
marked with __THROW. */
|
||||||
|
extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
|
||||||
|
unsigned int __flags);
|
||||||
|
|
||||||
|
|
||||||
|
/* Splice address range into a pipe.
|
||||||
|
|
||||||
|
This function is a possible cancellation point and therefore not
|
||||||
|
marked with __THROW. */
|
||||||
|
extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
|
||||||
|
size_t __count, unsigned int __flags);
|
||||||
|
|
||||||
|
/* Splice two files together.
|
||||||
|
|
||||||
|
This function is a possible cancellation point and therefore not
|
||||||
|
marked with __THROW. */
|
||||||
|
extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
|
||||||
|
__off64_t *__offout, size_t __len,
|
||||||
|
unsigned int __flags);
|
||||||
|
|
||||||
|
/* In-kernel implementation of tee for pipe buffers.
|
||||||
|
|
||||||
|
This function is a possible cancellation point and therefore not
|
||||||
|
marked with __THROW. */
|
||||||
|
extern ssize_t tee (int __fdin, int __fdout, size_t __len,
|
||||||
|
unsigned int __flags);
|
||||||
|
|
||||||
|
/* Reserve storage for the data of the file associated with FD.
|
||||||
|
|
||||||
|
This function is a possible cancellation point and therefore not
|
||||||
|
marked with __THROW. */
|
||||||
|
# ifndef __USE_FILE_OFFSET64
|
||||||
|
extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
|
||||||
|
# else
|
||||||
|
# ifdef __REDIRECT
|
||||||
|
extern int __REDIRECT (fallocate, (int __fd, int __mode, __off64_t __offset,
|
||||||
|
__off64_t __len),
|
||||||
|
fallocate64);
|
||||||
|
# else
|
||||||
|
# define fallocate fallocate64
|
||||||
|
# endif
|
||||||
|
# endif
|
||||||
|
# ifdef __USE_LARGEFILE64
|
||||||
|
extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
|
||||||
|
__off64_t __len);
|
||||||
|
# endif
|
||||||
|
|
||||||
|
|
||||||
|
/* Map file name to file handle. */
|
||||||
|
extern int name_to_handle_at (int __dfd, const char *__name,
|
||||||
|
struct file_handle *__handle, int *__mnt_id,
|
||||||
|
int __flags) __THROW;
|
||||||
|
|
||||||
|
/* Open file using the file handle.
|
||||||
|
|
||||||
|
This function is a possible cancellation point and therefore not
|
||||||
|
marked with __THROW. */
|
||||||
|
extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
|
||||||
|
int __flags);
|
||||||
|
|
||||||
|
#endif /* use GNU */
|
||||||
|
|
||||||
|
__END_DECLS
|
||||||
@ -1,6 +1,5 @@
|
|||||||
/* O_*, F_*, FD_* bit values for Linux.
|
/* O_*, F_*, FD_* bit values for Linux.
|
||||||
Copyright (C) 2000-2002,2004,2006,2007,2009,2010,2011
|
Copyright (C) 2000-2012 Free Software Foundation, Inc.
|
||||||
Free Software Foundation, Inc.
|
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
|
|
||||||
The GNU C Library is free software; you can redistribute it and/or
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
@ -21,40 +20,7 @@
|
|||||||
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
|
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#include <sys/types.h>
|
|
||||||
#include <bits/wordsize.h>
|
#include <bits/wordsize.h>
|
||||||
#ifdef __USE_GNU
|
|
||||||
# include <bits/uio.h>
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
|
|
||||||
located on a few file systems. */
|
|
||||||
#define O_ACCMODE 0003
|
|
||||||
#define O_RDONLY 00
|
|
||||||
#define O_WRONLY 01
|
|
||||||
#define O_RDWR 02
|
|
||||||
#define O_CREAT 0100 /* not fcntl */
|
|
||||||
#define O_EXCL 0200 /* not fcntl */
|
|
||||||
#define O_NOCTTY 0400 /* not fcntl */
|
|
||||||
#define O_TRUNC 01000 /* not fcntl */
|
|
||||||
#define O_APPEND 02000
|
|
||||||
#define O_NONBLOCK 04000
|
|
||||||
#define O_NDELAY O_NONBLOCK
|
|
||||||
#define O_SYNC 04010000
|
|
||||||
#define O_FSYNC O_SYNC
|
|
||||||
#define O_ASYNC 020000
|
|
||||||
|
|
||||||
#ifdef __USE_XOPEN2K8
|
|
||||||
# define O_DIRECTORY 0200000 /* Must be a directory. */
|
|
||||||
# define O_NOFOLLOW 0400000 /* Do not follow links. */
|
|
||||||
# define O_CLOEXEC 02000000 /* Set close_on_exec. */
|
|
||||||
#endif
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define O_DIRECT 040000 /* Direct disk access. */
|
|
||||||
# define O_NOATIME 01000000 /* Do not set atime. */
|
|
||||||
# define O_PATH 010000000 /* Resolve pathname but do not open file. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_LARGEFILE64
|
#ifdef __USE_LARGEFILE64
|
||||||
# if __WORDSIZE == 64
|
# if __WORDSIZE == 64
|
||||||
@ -65,14 +31,6 @@
|
|||||||
# endif
|
# endif
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* For now Linux has synchronisity options for data and read operations.
|
|
||||||
We define the symbols here but let them do the same as O_SYNC since
|
|
||||||
this is a superset. */
|
|
||||||
#if defined __USE_POSIX199309 || defined __USE_UNIX98
|
|
||||||
# define O_DSYNC 010000 /* Synchronize data. */
|
|
||||||
# define O_RSYNC O_SYNC /* Synchronize read operations. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Values for the second argument to `fcntl'. */
|
/* Values for the second argument to `fcntl'. */
|
||||||
#define F_DUPFD 0 /* Duplicate file descriptor. */
|
#define F_DUPFD 0 /* Duplicate file descriptor. */
|
||||||
#define F_GETFD 1 /* Get file descriptor flags. */
|
#define F_GETFD 1 /* Get file descriptor flags. */
|
||||||
@ -102,69 +60,6 @@
|
|||||||
# define F_SETLKW64 14 /* Set record locking info (blocking). */
|
# define F_SETLKW64 14 /* Set record locking info (blocking). */
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#if defined __USE_BSD || defined __USE_UNIX98 || defined __USE_XOPEN2K8
|
|
||||||
# define F_SETOWN 8 /* Get owner (process receiving SIGIO). */
|
|
||||||
# define F_GETOWN 9 /* Set owner (process receiving SIGIO). */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define F_SETSIG 10 /* Set number of signal to be sent. */
|
|
||||||
# define F_GETSIG 11 /* Get number of signal to be sent. */
|
|
||||||
# define F_SETOWN_EX 15 /* Get owner (thread receiving SIGIO). */
|
|
||||||
# define F_GETOWN_EX 16 /* Set owner (thread receiving SIGIO). */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define F_SETLEASE 1024 /* Set a lease. */
|
|
||||||
# define F_GETLEASE 1025 /* Enquire what lease is active. */
|
|
||||||
# define F_NOTIFY 1026 /* Request notfications on a directory. */
|
|
||||||
# define F_SETPIPE_SZ 1031 /* Set pipe page size array. */
|
|
||||||
# define F_GETPIPE_SZ 1032 /* Set pipe page size array. */
|
|
||||||
#endif
|
|
||||||
#ifdef __USE_XOPEN2K8
|
|
||||||
# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
|
|
||||||
close-on-exit set. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* For F_[GET|SET]FD. */
|
|
||||||
#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
|
|
||||||
|
|
||||||
/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
|
|
||||||
#define F_RDLCK 0 /* Read lock. */
|
|
||||||
#define F_WRLCK 1 /* Write lock. */
|
|
||||||
#define F_UNLCK 2 /* Remove lock. */
|
|
||||||
|
|
||||||
/* for old implementation of bsd flock () */
|
|
||||||
#define F_EXLCK 4 /* or 3 */
|
|
||||||
#define F_SHLCK 8 /* or 4 */
|
|
||||||
|
|
||||||
#ifdef __USE_BSD
|
|
||||||
/* Operations for bsd flock(), also used by the kernel implementation */
|
|
||||||
# define LOCK_SH 1 /* shared lock */
|
|
||||||
# define LOCK_EX 2 /* exclusive lock */
|
|
||||||
# define LOCK_NB 4 /* or'd with one of the above to prevent
|
|
||||||
blocking */
|
|
||||||
# define LOCK_UN 8 /* remove lock */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define LOCK_MAND 32 /* This is a mandatory flock: */
|
|
||||||
# define LOCK_READ 64 /* ... which allows concurrent read operations. */
|
|
||||||
# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
|
|
||||||
# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
/* Types of directory notifications that may be requested with F_NOTIFY. */
|
|
||||||
# define DN_ACCESS 0x00000001 /* File accessed. */
|
|
||||||
# define DN_MODIFY 0x00000002 /* File modified. */
|
|
||||||
# define DN_CREATE 0x00000004 /* File created. */
|
|
||||||
# define DN_DELETE 0x00000008 /* File removed. */
|
|
||||||
# define DN_RENAME 0x00000010 /* File renamed. */
|
|
||||||
# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
|
|
||||||
# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
struct flock
|
struct flock
|
||||||
{
|
{
|
||||||
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
|
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
|
||||||
@ -190,156 +85,13 @@ struct flock64
|
|||||||
};
|
};
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
#if __WORDSIZE == 64
|
||||||
/* Owner types. */
|
# define __POSIX_FADV_DONTNEED 6 /* Don't need these pages. */
|
||||||
enum __pid_type
|
# define __POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */
|
||||||
{
|
#else
|
||||||
F_OWNER_TID = 0, /* Kernel thread. */
|
# define __POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
|
||||||
F_OWNER_PID, /* Process. */
|
# define __POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
|
||||||
F_OWNER_PGRP, /* Process group. */
|
|
||||||
F_OWNER_GID = F_OWNER_PGRP /* Alternative, obsolete name. */
|
|
||||||
};
|
|
||||||
|
|
||||||
/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */
|
|
||||||
struct f_owner_ex
|
|
||||||
{
|
|
||||||
enum __pid_type type; /* Owner type of ID. */
|
|
||||||
__pid_t pid; /* ID of owner. */
|
|
||||||
};
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Define some more compatibility macros to be backward compatible with
|
/* Include generic Linux declarations. */
|
||||||
BSD systems which did not managed to hide these kernel macros. */
|
#include <bits/fcntl-linux.h>
|
||||||
#ifdef __USE_BSD
|
|
||||||
# define FAPPEND O_APPEND
|
|
||||||
# define FFSYNC O_FSYNC
|
|
||||||
# define FASYNC O_ASYNC
|
|
||||||
# define FNONBLOCK O_NONBLOCK
|
|
||||||
# define FNDELAY O_NDELAY
|
|
||||||
#endif /* Use BSD. */
|
|
||||||
|
|
||||||
/* Advise to `posix_fadvise'. */
|
|
||||||
#ifdef __USE_XOPEN2K
|
|
||||||
# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
|
|
||||||
# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
|
|
||||||
# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
|
|
||||||
# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
|
|
||||||
# if __WORDSIZE == 64
|
|
||||||
# define POSIX_FADV_DONTNEED 6 /* Don't need these pages. */
|
|
||||||
# define POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */
|
|
||||||
# else
|
|
||||||
# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
|
|
||||||
# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
|
|
||||||
# endif
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
/* Flags for SYNC_FILE_RANGE. */
|
|
||||||
# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
|
|
||||||
in the range before performing the
|
|
||||||
write. */
|
|
||||||
# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
|
|
||||||
dirty pages in the range which are
|
|
||||||
not presently under writeback. */
|
|
||||||
# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
|
|
||||||
the range after performing the
|
|
||||||
write. */
|
|
||||||
|
|
||||||
/* Flags for SPLICE and VMSPLICE. */
|
|
||||||
# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
|
|
||||||
# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
|
|
||||||
(but we may still block on the fd
|
|
||||||
we splice from/to). */
|
|
||||||
# define SPLICE_F_MORE 4 /* Expect more data. */
|
|
||||||
# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
|
|
||||||
|
|
||||||
|
|
||||||
/* File handle structure. */
|
|
||||||
struct file_handle
|
|
||||||
{
|
|
||||||
unsigned int handle_bytes;
|
|
||||||
int handle_type;
|
|
||||||
/* File identifier. */
|
|
||||||
unsigned char f_handle[0];
|
|
||||||
};
|
|
||||||
|
|
||||||
/* Maximum handle size (for now). */
|
|
||||||
# define MAX_HANDLE_SZ 128
|
|
||||||
#endif
|
|
||||||
|
|
||||||
__BEGIN_DECLS
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
|
|
||||||
/* Provide kernel hint to read ahead. */
|
|
||||||
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
|
|
||||||
__THROW;
|
|
||||||
|
|
||||||
|
|
||||||
/* Selective file content synch'ing.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
|
|
||||||
unsigned int __flags);
|
|
||||||
|
|
||||||
|
|
||||||
/* Splice address range into a pipe.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
|
|
||||||
size_t __count, unsigned int __flags);
|
|
||||||
|
|
||||||
/* Splice two files together.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
|
|
||||||
__off64_t *__offout, size_t __len,
|
|
||||||
unsigned int __flags);
|
|
||||||
|
|
||||||
/* In-kernel implementation of tee for pipe buffers.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern ssize_t tee (int __fdin, int __fdout, size_t __len,
|
|
||||||
unsigned int __flags);
|
|
||||||
|
|
||||||
/* Reserve storage for the data of the file associated with FD.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
# ifndef __USE_FILE_OFFSET64
|
|
||||||
extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
|
|
||||||
# else
|
|
||||||
# ifdef __REDIRECT
|
|
||||||
extern int __REDIRECT (fallocate, (int __fd, int __mode, __off64_t __offset,
|
|
||||||
__off64_t __len),
|
|
||||||
fallocate64);
|
|
||||||
# else
|
|
||||||
# define fallocate fallocate64
|
|
||||||
# endif
|
|
||||||
# endif
|
|
||||||
# ifdef __USE_LARGEFILE64
|
|
||||||
extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
|
|
||||||
__off64_t __len);
|
|
||||||
# endif
|
|
||||||
|
|
||||||
|
|
||||||
/* Map file name to file handle. */
|
|
||||||
extern int name_to_handle_at (int __dfd, const char *__name,
|
|
||||||
struct file_handle *__handle, int *__mnt_id,
|
|
||||||
int __flags) __THROW;
|
|
||||||
|
|
||||||
/* Open file using the file handle.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
|
|
||||||
int __flags);
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
__END_DECLS
|
|
||||||
|
|||||||
@ -1,6 +1,5 @@
|
|||||||
/* O_*, F_*, FD_* bit values for Linux/SPARC.
|
/* O_*, F_*, FD_* bit values for Linux/SPARC.
|
||||||
Copyright (C) 1995-1998, 2000, 2003, 2004, 2006, 2007, 2009, 2010, 2011
|
Copyright (C) 1995-2012 Free Software Foundation, Inc.
|
||||||
Free Software Foundation, Inc.
|
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
|
|
||||||
The GNU C Library is free software; you can redistribute it and/or
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
@ -21,38 +20,25 @@
|
|||||||
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
|
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#include <sys/types.h>
|
|
||||||
#include <bits/wordsize.h>
|
#include <bits/wordsize.h>
|
||||||
#ifdef __USE_GNU
|
|
||||||
# include <bits/uio.h>
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
|
|
||||||
located on a few file systems. */
|
|
||||||
#define O_RDONLY 0x0000
|
|
||||||
#define O_WRONLY 0x0001
|
|
||||||
#define O_RDWR 0x0002
|
|
||||||
#define O_ACCMODE 0x0003
|
|
||||||
#define O_APPEND 0x0008
|
#define O_APPEND 0x0008
|
||||||
#define O_ASYNC 0x0040
|
#define O_ASYNC 0x0040
|
||||||
#define O_CREAT 0x0200 /* not fcntl */
|
#define O_CREAT 0x0200 /* not fcntl */
|
||||||
#define O_TRUNC 0x0400 /* not fcntl */
|
#define O_TRUNC 0x0400 /* not fcntl */
|
||||||
#define O_EXCL 0x0800 /* not fcntl */
|
#define O_EXCL 0x0800 /* not fcntl */
|
||||||
#define O_SYNC 0x802000
|
#define O_SYNC 0x802000
|
||||||
#define O_FSYNC O_SYNC
|
|
||||||
#define O_NONBLOCK 0x4000
|
#define O_NONBLOCK 0x4000
|
||||||
#define O_NDELAY (0x0004 | O_NONBLOCK)
|
#define O_NDELAY (0x0004 | O_NONBLOCK)
|
||||||
#define O_NOCTTY 0x8000 /* not fcntl */
|
#define O_NOCTTY 0x8000 /* not fcntl */
|
||||||
|
|
||||||
#ifdef __USE_XOPEN2K8
|
#define __O_DIRECTORY 0x10000 /* must be a directory */
|
||||||
# define O_DIRECTORY 0x10000 /* must be a directory */
|
#define __O_NOFOLLOW 0x20000 /* don't follow links */
|
||||||
# define O_NOFOLLOW 0x20000 /* don't follow links */
|
#define __O_CLOEXEC 0x400000 /* Set close_on_exit. */
|
||||||
# define O_CLOEXEC 0x400000 /* Set close_on_exit. */
|
|
||||||
#endif
|
#define __O_DIRECT 0x100000 /* direct disk access hint */
|
||||||
#ifdef __USE_GNU
|
#define __O_NOATIME 0x200000 /* Do not set atime. */
|
||||||
# define O_DIRECT 0x100000 /* direct disk access hint */
|
#define __O_PATH 0x1000000 /* Resolve pathname but do not open file. */
|
||||||
# define O_NOATIME 0x200000 /* Do not set atime. */
|
|
||||||
# define O_PATH 0x1000000 /* Resolve pathname but do not open file. */
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __USE_LARGEFILE64
|
#ifdef __USE_LARGEFILE64
|
||||||
@ -63,24 +49,12 @@
|
|||||||
# endif
|
# endif
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* For now Linux has no synchronisity options for data and read
|
#define __O_DSYNC 0x2000 /* Synchronize data. */
|
||||||
operations. We define the symbols here but let them do the same as
|
|
||||||
O_SYNC since this is a superset. */
|
|
||||||
#if defined __USE_POSIX199309 || defined __USE_UNIX98
|
#define __F_GETOWN 5 /* Get owner (process receiving SIGIO). */
|
||||||
# define O_DSYNC 0x2000 /* Synchronize data. */
|
#define __F_SETOWN 6 /* Set owner (process receiving SIGIO). */
|
||||||
# define O_RSYNC O_SYNC /* Synchronize read operations. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Values for the second argument to `fcntl'. */
|
|
||||||
#define F_DUPFD 0 /* Duplicate file descriptor. */
|
|
||||||
#define F_GETFD 1 /* Get file descriptor flags. */
|
|
||||||
#define F_SETFD 2 /* Set file descriptor flags. */
|
|
||||||
#define F_GETFL 3 /* Get file status flags. */
|
|
||||||
#define F_SETFL 4 /* Set file status flags. */
|
|
||||||
#if defined __USE_BSD || defined __USE_UNIX98 || defined __USE_XOPEN2K8
|
|
||||||
# define F_GETOWN 5 /* Get owner (process receiving SIGIO). */
|
|
||||||
# define F_SETOWN 6 /* Set owner (process receiving SIGIO). */
|
|
||||||
#endif
|
|
||||||
#ifndef __USE_FILE_OFFSET64
|
#ifndef __USE_FILE_OFFSET64
|
||||||
# define F_GETLK 7 /* Get record locking info. */
|
# define F_GETLK 7 /* Get record locking info. */
|
||||||
# define F_SETLK 8 /* Set record locking info (non-blocking). */
|
# define F_SETLK 8 /* Set record locking info (non-blocking). */
|
||||||
@ -91,25 +65,6 @@
|
|||||||
# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
|
# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define F_SETSIG 10 /* Set number of signal to be sent. */
|
|
||||||
# define F_GETSIG 11 /* Get number of signal to be sent. */
|
|
||||||
# define F_SETOWN_EX 15 /* Set owner (thread receiving SIGIO). */
|
|
||||||
# define F_GETOWN_EX 16 /* Get owner (thread receiving SIGIO). */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define F_SETLEASE 1024 /* Set a lease. */
|
|
||||||
# define F_GETLEASE 1025 /* Enquire what lease is active. */
|
|
||||||
# define F_NOTIFY 1026 /* Request notfications on a directory. */
|
|
||||||
# define F_SETPIPE_SZ 1031 /* Set pipe page size array. */
|
|
||||||
# define F_GETPIPE_SZ 1032 /* Set pipe page size array. */
|
|
||||||
#endif
|
|
||||||
#ifdef __USE_XOPEN2K8
|
|
||||||
# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
|
|
||||||
close-on-exit set. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#if __WORDSIZE == 64
|
#if __WORDSIZE == 64
|
||||||
# define F_GETLK64 7 /* Get record locking info. */
|
# define F_GETLK64 7 /* Get record locking info. */
|
||||||
# define F_SETLK64 8 /* Set record locking info (non-blocking). */
|
# define F_SETLK64 8 /* Set record locking info (non-blocking). */
|
||||||
@ -120,45 +75,11 @@
|
|||||||
# define F_SETLKW64 14 /* Set record locking info (blocking). */
|
# define F_SETLKW64 14 /* Set record locking info (blocking). */
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* for F_[GET|SET]FD */
|
|
||||||
#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
|
|
||||||
|
|
||||||
/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
|
/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
|
||||||
#define F_RDLCK 1 /* Read lock. */
|
#define F_RDLCK 1 /* Read lock. */
|
||||||
#define F_WRLCK 2 /* Write lock. */
|
#define F_WRLCK 2 /* Write lock. */
|
||||||
#define F_UNLCK 3 /* Remove lock. */
|
#define F_UNLCK 3 /* Remove lock. */
|
||||||
|
|
||||||
/* for old implementation of bsd flock () */
|
|
||||||
#define F_EXLCK 4 /* or 3 */
|
|
||||||
#define F_SHLCK 8 /* or 4 */
|
|
||||||
|
|
||||||
#ifdef __USE_BSD
|
|
||||||
/* Operations for bsd flock(), also used by the kernel implementation */
|
|
||||||
# define LOCK_SH 1 /* shared lock */
|
|
||||||
# define LOCK_EX 2 /* exclusive lock */
|
|
||||||
# define LOCK_NB 4 /* or'd with one of the above to prevent
|
|
||||||
blocking */
|
|
||||||
# define LOCK_UN 8 /* remove lock */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define LOCK_MAND 32 /* This is a mandatory flock: */
|
|
||||||
# define LOCK_READ 64 /* ... which allows concurrent read operations. */
|
|
||||||
# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
|
|
||||||
# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
/* Types of directory notifications that may be requested with F_NOTIFY. */
|
|
||||||
# define DN_ACCESS 0x00000001 /* File accessed. */
|
|
||||||
# define DN_MODIFY 0x00000002 /* File modified. */
|
|
||||||
# define DN_CREATE 0x00000004 /* File created. */
|
|
||||||
# define DN_DELETE 0x00000008 /* File removed. */
|
|
||||||
# define DN_RENAME 0x00000010 /* File renamed. */
|
|
||||||
# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
|
|
||||||
# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
struct flock
|
struct flock
|
||||||
{
|
{
|
||||||
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
|
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
|
||||||
@ -186,148 +107,5 @@ struct flock64
|
|||||||
};
|
};
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
/* Include generic Linux declarations. */
|
||||||
/* Owner types. */
|
#include <bits/fcntl-linux.h>
|
||||||
enum __pid_type
|
|
||||||
{
|
|
||||||
F_OWNER_TID = 0, /* Kernel thread. */
|
|
||||||
F_OWNER_PID, /* Process. */
|
|
||||||
F_OWNER_PGRP, /* Process group. */
|
|
||||||
F_OWNER_GID = F_OWNER_PGRP /* Alternative, obsolete name. */
|
|
||||||
};
|
|
||||||
|
|
||||||
/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */
|
|
||||||
struct f_owner_ex
|
|
||||||
{
|
|
||||||
enum __pid_type type; /* Owner type of ID. */
|
|
||||||
__pid_t pid; /* ID of owner. */
|
|
||||||
};
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Define some more compatibility macros to be backward compatible with
|
|
||||||
BSD systems which did not managed to hide these kernel macros. */
|
|
||||||
#ifdef __USE_BSD
|
|
||||||
# define FAPPEND O_APPEND
|
|
||||||
# define FFSYNC O_FSYNC
|
|
||||||
# define FASYNC O_ASYNC
|
|
||||||
# define FNONBLOCK O_NONBLOCK
|
|
||||||
# define FNDELAY O_NDELAY
|
|
||||||
#endif /* Use BSD. */
|
|
||||||
|
|
||||||
/* Advise to `posix_fadvise'. */
|
|
||||||
#ifdef __USE_XOPEN2K
|
|
||||||
# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
|
|
||||||
# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
|
|
||||||
# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
|
|
||||||
# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
|
|
||||||
# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
|
|
||||||
# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
/* Flags for SYNC_FILE_RANGE. */
|
|
||||||
# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
|
|
||||||
in the range before performing the
|
|
||||||
write. */
|
|
||||||
# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
|
|
||||||
dirty pages in the range which are
|
|
||||||
not presently under writeback. */
|
|
||||||
# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
|
|
||||||
the range after performing the
|
|
||||||
write. */
|
|
||||||
|
|
||||||
/* Flags for SPLICE and VMSPLICE. */
|
|
||||||
# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
|
|
||||||
# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
|
|
||||||
(but we may still block on the fd
|
|
||||||
we splice from/to). */
|
|
||||||
# define SPLICE_F_MORE 4 /* Expect more data. */
|
|
||||||
# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
|
|
||||||
|
|
||||||
|
|
||||||
/* File handle structure. */
|
|
||||||
struct file_handle
|
|
||||||
{
|
|
||||||
unsigned int handle_bytes;
|
|
||||||
int handle_type;
|
|
||||||
/* File identifier. */
|
|
||||||
unsigned char f_handle[0];
|
|
||||||
};
|
|
||||||
|
|
||||||
/* Maximum handle size (for now). */
|
|
||||||
# define MAX_HANDLE_SZ 128
|
|
||||||
#endif
|
|
||||||
|
|
||||||
__BEGIN_DECLS
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
|
|
||||||
/* Provide kernel hint to read ahead. */
|
|
||||||
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
|
|
||||||
__THROW;
|
|
||||||
|
|
||||||
|
|
||||||
/* Selective file content synch'ing.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
|
|
||||||
unsigned int __flags);
|
|
||||||
|
|
||||||
|
|
||||||
/* Splice address range into a pipe. */
|
|
||||||
extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
|
|
||||||
size_t __count, unsigned int __flags);
|
|
||||||
|
|
||||||
/* Splice two files together.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
|
|
||||||
__off64_t *__offout, size_t __len,
|
|
||||||
unsigned int __flags);
|
|
||||||
|
|
||||||
/* In-kernel implementation of tee for pipe buffers.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern ssize_t tee (int __fdin, int __fdout, size_t __len,
|
|
||||||
unsigned int __flags);
|
|
||||||
|
|
||||||
/* Reserve storage for the data of the file associated with FD.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
# ifndef __USE_FILE_OFFSET64
|
|
||||||
extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
|
|
||||||
# else
|
|
||||||
# ifdef __REDIRECT
|
|
||||||
extern int __REDIRECT (fallocate, (int __fd, int __mode, __off64_t __offset,
|
|
||||||
__off64_t __len),
|
|
||||||
fallocate64);
|
|
||||||
# else
|
|
||||||
# define fallocate fallocate64
|
|
||||||
# endif
|
|
||||||
# endif
|
|
||||||
# ifdef __USE_LARGEFILE64
|
|
||||||
extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
|
|
||||||
__off64_t __len);
|
|
||||||
# endif
|
|
||||||
|
|
||||||
|
|
||||||
/* Map file name to file handle. */
|
|
||||||
extern int name_to_handle_at (int __dfd, const char *__name,
|
|
||||||
struct file_handle *__handle, int *__mnt_id,
|
|
||||||
int __flags) __THROW;
|
|
||||||
|
|
||||||
/* Open file using the file handle.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
|
|
||||||
int __flags);
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
__END_DECLS
|
|
||||||
|
|||||||
@ -1,4 +1,4 @@
|
|||||||
/* O_*, F_*, FD_* bit values for Linux/x86-64.
|
/* O_*, F_*, FD_* bit values for Linux/x86.
|
||||||
Copyright (C) 2001-2012 Free Software Foundation, Inc.
|
Copyright (C) 2001-2012 Free Software Foundation, Inc.
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
|
|
||||||
@ -16,66 +16,16 @@
|
|||||||
License along with the GNU C Library; if not, see
|
License along with the GNU C Library; if not, see
|
||||||
<http://www.gnu.org/licenses/>. */
|
<http://www.gnu.org/licenses/>. */
|
||||||
|
|
||||||
#ifndef _FCNTL_H
|
#ifndef _FCNTL_H
|
||||||
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
|
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#include <sys/types.h>
|
#ifdef __x86_64__
|
||||||
#ifdef __USE_GNU
|
# define __O_LARGEFILE 0
|
||||||
# include <bits/uio.h>
|
#else
|
||||||
|
# define __O_LARGEFILE 0100000
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
||||||
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
|
|
||||||
located on a few file systems. */
|
|
||||||
#define O_ACCMODE 0003
|
|
||||||
#define O_RDONLY 00
|
|
||||||
#define O_WRONLY 01
|
|
||||||
#define O_RDWR 02
|
|
||||||
#define O_CREAT 0100 /* not fcntl */
|
|
||||||
#define O_EXCL 0200 /* not fcntl */
|
|
||||||
#define O_NOCTTY 0400 /* not fcntl */
|
|
||||||
#define O_TRUNC 01000 /* not fcntl */
|
|
||||||
#define O_APPEND 02000
|
|
||||||
#define O_NONBLOCK 04000
|
|
||||||
#define O_NDELAY O_NONBLOCK
|
|
||||||
#define O_SYNC 04010000
|
|
||||||
#define O_FSYNC O_SYNC
|
|
||||||
#define O_ASYNC 020000
|
|
||||||
|
|
||||||
#ifdef __USE_XOPEN2K8
|
|
||||||
# define O_DIRECTORY 0200000 /* Must be a directory. */
|
|
||||||
# define O_NOFOLLOW 0400000 /* Do not follow links. */
|
|
||||||
# define O_CLOEXEC 02000000 /* Set close_on_exec. */
|
|
||||||
#endif
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define O_DIRECT 040000 /* Direct disk access. */
|
|
||||||
# define O_NOATIME 01000000 /* Do not set atime. */
|
|
||||||
# define O_PATH 010000000 /* Resolve pathname but do not open file. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* For now Linux has synchronisity options for data and read operations.
|
|
||||||
We define the symbols here but let them do the same as O_SYNC since
|
|
||||||
this is a superset. */
|
|
||||||
#if defined __USE_POSIX199309 || defined __USE_UNIX98
|
|
||||||
# define O_DSYNC 010000 /* Synchronize data. */
|
|
||||||
# define O_RSYNC O_SYNC /* Synchronize read operations. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_LARGEFILE64
|
|
||||||
# ifdef __x86_64__
|
|
||||||
# define O_LARGEFILE 0
|
|
||||||
# else
|
|
||||||
# define O_LARGEFILE 0100000
|
|
||||||
# endif
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Values for the second argument to `fcntl'. */
|
|
||||||
#define F_DUPFD 0 /* Duplicate file descriptor. */
|
|
||||||
#define F_GETFD 1 /* Get file descriptor flags. */
|
|
||||||
#define F_SETFD 2 /* Set file descriptor flags. */
|
|
||||||
#define F_GETFL 3 /* Get file status flags. */
|
|
||||||
#define F_SETFL 4 /* Set file status flags. */
|
|
||||||
#ifdef __x86_64__
|
#ifdef __x86_64__
|
||||||
# define F_GETLK 5 /* Get record locking info. */
|
# define F_GETLK 5 /* Get record locking info. */
|
||||||
# define F_SETLK 6 /* Set record locking info (non-blocking). */
|
# define F_SETLK 6 /* Set record locking info (non-blocking). */
|
||||||
@ -99,68 +49,6 @@
|
|||||||
# define F_SETLKW64 14 /* Set record locking info (blocking). */
|
# define F_SETLKW64 14 /* Set record locking info (blocking). */
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#if defined __USE_BSD || defined __USE_UNIX98 || defined __USE_XOPEN2K8
|
|
||||||
# define F_SETOWN 8 /* Get owner (process receiving SIGIO). */
|
|
||||||
# define F_GETOWN 9 /* Set owner (process receiving SIGIO). */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define F_SETSIG 10 /* Set number of signal to be sent. */
|
|
||||||
# define F_GETSIG 11 /* Get number of signal to be sent. */
|
|
||||||
# define F_SETOWN_EX 15 /* Get owner (thread receiving SIGIO). */
|
|
||||||
# define F_GETOWN_EX 16 /* Set owner (thread receiving SIGIO). */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define F_SETLEASE 1024 /* Set a lease. */
|
|
||||||
# define F_GETLEASE 1025 /* Enquire what lease is active. */
|
|
||||||
# define F_NOTIFY 1026 /* Request notfications on a directory. */
|
|
||||||
# define F_SETPIPE_SZ 1031 /* Set pipe page size array. */
|
|
||||||
# define F_GETPIPE_SZ 1032 /* Set pipe page size array. */
|
|
||||||
#endif
|
|
||||||
#ifdef __USE_XOPEN2K8
|
|
||||||
# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
|
|
||||||
close-on-exit set. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* For F_[GET|SET]FD. */
|
|
||||||
#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
|
|
||||||
|
|
||||||
/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
|
|
||||||
#define F_RDLCK 0 /* Read lock. */
|
|
||||||
#define F_WRLCK 1 /* Write lock. */
|
|
||||||
#define F_UNLCK 2 /* Remove lock. */
|
|
||||||
|
|
||||||
/* For old implementation of bsd flock(). */
|
|
||||||
#define F_EXLCK 4 /* or 3 */
|
|
||||||
#define F_SHLCK 8 /* or 4 */
|
|
||||||
|
|
||||||
#ifdef __USE_BSD
|
|
||||||
/* Operations for bsd flock(), also used by the kernel implementation. */
|
|
||||||
# define LOCK_SH 1 /* shared lock */
|
|
||||||
# define LOCK_EX 2 /* exclusive lock */
|
|
||||||
# define LOCK_NB 4 /* or'd with one of the above to prevent
|
|
||||||
blocking */
|
|
||||||
# define LOCK_UN 8 /* remove lock */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
# define LOCK_MAND 32 /* This is a mandatory flock: */
|
|
||||||
# define LOCK_READ 64 /* ... which allows concurrent read operations. */
|
|
||||||
# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
|
|
||||||
# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
/* Types of directory notifications that may be requested with F_NOTIFY. */
|
|
||||||
# define DN_ACCESS 0x00000001 /* File accessed. */
|
|
||||||
# define DN_MODIFY 0x00000002 /* File modified. */
|
|
||||||
# define DN_CREATE 0x00000004 /* File created. */
|
|
||||||
# define DN_DELETE 0x00000008 /* File removed. */
|
|
||||||
# define DN_RENAME 0x00000010 /* File renamed. */
|
|
||||||
# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
|
|
||||||
# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
struct flock
|
struct flock
|
||||||
{
|
{
|
||||||
@ -187,151 +75,5 @@ struct flock64
|
|||||||
};
|
};
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
/* Include generic Linux declarations. */
|
||||||
/* Owner types. */
|
#include <bits/fcntl-linux.h>
|
||||||
enum __pid_type
|
|
||||||
{
|
|
||||||
F_OWNER_TID = 0, /* Kernel thread. */
|
|
||||||
F_OWNER_PID, /* Process. */
|
|
||||||
F_OWNER_PGRP, /* Process group. */
|
|
||||||
F_OWNER_GID = F_OWNER_PGRP /* Alternative, obsolete name. */
|
|
||||||
};
|
|
||||||
|
|
||||||
/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */
|
|
||||||
struct f_owner_ex
|
|
||||||
{
|
|
||||||
enum __pid_type type; /* Owner type of ID. */
|
|
||||||
__pid_t pid; /* ID of owner. */
|
|
||||||
};
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Define some more compatibility macros to be backward compatible with
|
|
||||||
BSD systems which did not managed to hide these kernel macros. */
|
|
||||||
#ifdef __USE_BSD
|
|
||||||
# define FAPPEND O_APPEND
|
|
||||||
# define FFSYNC O_FSYNC
|
|
||||||
# define FASYNC O_ASYNC
|
|
||||||
# define FNONBLOCK O_NONBLOCK
|
|
||||||
# define FNDELAY O_NDELAY
|
|
||||||
#endif /* Use BSD. */
|
|
||||||
|
|
||||||
/* Advise to `posix_fadvise'. */
|
|
||||||
#ifdef __USE_XOPEN2K
|
|
||||||
# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
|
|
||||||
# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
|
|
||||||
# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
|
|
||||||
# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
|
|
||||||
# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
|
|
||||||
# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
/* Flags for SYNC_FILE_RANGE. */
|
|
||||||
# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
|
|
||||||
in the range before performing the
|
|
||||||
write. */
|
|
||||||
# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
|
|
||||||
dirty pages in the range which are
|
|
||||||
not presently under writeback. */
|
|
||||||
# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
|
|
||||||
the range after performing the
|
|
||||||
write. */
|
|
||||||
|
|
||||||
/* Flags for SPLICE and VMSPLICE. */
|
|
||||||
# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
|
|
||||||
# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
|
|
||||||
(but we may still block on the fd
|
|
||||||
we splice from/to). */
|
|
||||||
# define SPLICE_F_MORE 4 /* Expect more data. */
|
|
||||||
# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
|
|
||||||
|
|
||||||
|
|
||||||
/* File handle structure. */
|
|
||||||
struct file_handle
|
|
||||||
{
|
|
||||||
unsigned int handle_bytes;
|
|
||||||
int handle_type;
|
|
||||||
/* File identifier. */
|
|
||||||
unsigned char f_handle[0];
|
|
||||||
};
|
|
||||||
|
|
||||||
/* Maximum handle size (for now). */
|
|
||||||
# define MAX_HANDLE_SZ 128
|
|
||||||
#endif
|
|
||||||
|
|
||||||
__BEGIN_DECLS
|
|
||||||
|
|
||||||
#ifdef __USE_GNU
|
|
||||||
|
|
||||||
/* Provide kernel hint to read ahead. */
|
|
||||||
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
|
|
||||||
__THROW;
|
|
||||||
|
|
||||||
|
|
||||||
/* Selective file content synch'ing.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count,
|
|
||||||
unsigned int __flags);
|
|
||||||
|
|
||||||
|
|
||||||
/* Splice address range into a pipe.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
|
|
||||||
size_t __count, unsigned int __flags);
|
|
||||||
|
|
||||||
/* Splice two files together.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
|
|
||||||
__off64_t *__offout, size_t __len,
|
|
||||||
unsigned int __flags);
|
|
||||||
|
|
||||||
/* In-kernel implementation of tee for pipe buffers.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern ssize_t tee (int __fdin, int __fdout, size_t __len,
|
|
||||||
unsigned int __flags);
|
|
||||||
|
|
||||||
/* Reserve storage for the data of the file associated with FD.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
# ifndef __USE_FILE_OFFSET64
|
|
||||||
extern int fallocate (int __fd, int __mode, __off_t __offset, __off_t __len);
|
|
||||||
# else
|
|
||||||
# ifdef __REDIRECT
|
|
||||||
extern int __REDIRECT (fallocate, (int __fd, int __mode, __off64_t __offset,
|
|
||||||
__off64_t __len),
|
|
||||||
fallocate64);
|
|
||||||
# else
|
|
||||||
# define fallocate fallocate64
|
|
||||||
# endif
|
|
||||||
# endif
|
|
||||||
# ifdef __USE_LARGEFILE64
|
|
||||||
extern int fallocate64 (int __fd, int __mode, __off64_t __offset,
|
|
||||||
__off64_t __len);
|
|
||||||
# endif
|
|
||||||
|
|
||||||
|
|
||||||
/* Map file name to file handle. */
|
|
||||||
extern int name_to_handle_at (int __dfd, const char *__name,
|
|
||||||
struct file_handle *__handle, int *__mnt_id,
|
|
||||||
int __flags) __THROW;
|
|
||||||
|
|
||||||
/* Open file using the file handle.
|
|
||||||
|
|
||||||
This function is a possible cancellation point and therefore not
|
|
||||||
marked with __THROW. */
|
|
||||||
extern int open_by_handle_at (int __mountdirfd, struct file_handle *__handle,
|
|
||||||
int __flags);
|
|
||||||
|
|
||||||
#endif /* use GNU */
|
|
||||||
|
|
||||||
__END_DECLS
|
|
||||||
|
|||||||
Reference in New Issue
Block a user