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Diffstat (limited to 'sysdeps/mach/hurd/bits/fcntl.h')
| -rw-r--r-- | sysdeps/mach/hurd/bits/fcntl.h | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/sysdeps/mach/hurd/bits/fcntl.h b/sysdeps/mach/hurd/bits/fcntl.h deleted file mode 100644 index 915c7c6abb..0000000000 --- a/sysdeps/mach/hurd/bits/fcntl.h +++ /dev/null @@ -1,221 +0,0 @@ -/* O_*, F_*, FD_* bit values for GNU. - Copyright (C) 1993-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _FCNTL_H -# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." -#endif - -#include <sys/types.h> - -/* File access modes. These are understood by io servers; they can be - passed in `dir_lookup', and are returned by `io_get_openmodes'. - Consequently they can be passed to `open', `hurd_file_name_lookup', and - `file_name_lookup'; and are returned by `fcntl' with the F_GETFL - command. */ - -/* In GNU, read and write are bits (unlike BSD). */ -#ifdef __USE_GNU -# define O_READ O_RDONLY /* Open for reading. */ -# define O_WRITE O_WRONLY /* Open for writing. */ -# define O_EXEC 0x0004 /* Open for execution. */ -# define O_NORW 0 /* Open without R/W access. */ -#endif -/* POSIX.1 standard names. */ -#define O_RDONLY 0x0001 /* Open read-only. */ -#define O_WRONLY 0x0002 /* Open write-only. */ -#define O_RDWR (O_RDONLY|O_WRONLY) /* Open for reading and writing. */ -#define O_ACCMODE O_RDWR /* Mask for file access modes. */ - -#define O_LARGEFILE 0 - - -/* File name translation flags. These are understood by io servers; - they can be passed in `dir_lookup', and consequently to `open', - `hurd_file_name_lookup', and `file_name_lookup'. */ - -#define O_CREAT 0x0010 /* Create file if it doesn't exist. */ -#define O_EXCL 0x0020 /* Fail if file already exists. */ -#ifdef __USE_GNU -# define O_NOLINK 0x0040 /* No name mappings on final component. */ -# define O_NOTRANS 0x0080 /* No translator on final component. */ -#endif - -#ifdef __USE_XOPEN2K8 -# define O_NOFOLLOW 0x00100000 /* Produce ENOENT if file is a symlink. */ -# define O_DIRECTORY 0x00200000 /* Produce ENOTDIR if not a directory. */ -#endif - - -/* I/O operating modes. These are understood by io servers; they can be - passed in `dir_lookup' and set or fetched with `io_*_openmodes'. - Consequently they can be passed to `open', `hurd_file_name_lookup', - `file_name_lookup', and `fcntl' with the F_SETFL command; and are - returned by `fcntl' with the F_GETFL command. */ - -#define O_APPEND 0x0100 /* Writes always append to the file. */ -#define O_ASYNC 0x0200 /* Send SIGIO to owner when data is ready. */ -#define O_FSYNC 0x0400 /* Synchronous writes. */ -#define O_SYNC O_FSYNC -#ifdef __USE_GNU -# define O_NOATIME 0x0800 /* Don't set access time on read (owner). */ -#endif -#ifdef __USE_MISC -# define O_SHLOCK 0x00020000 /* Open with shared file lock. */ -# define O_EXLOCK 0x00040000 /* Open with exclusive file lock. */ -#endif - -/* These are lesser flavors of partial synchronization that are - implied by our one flag (O_FSYNC). */ -#if defined __USE_POSIX199309 || defined __USE_UNIX98 -# define O_DSYNC O_SYNC /* Synchronize data. */ -# define O_RSYNC O_SYNC /* Synchronize read operations. */ -#endif - - -/* The name O_NONBLOCK is unfortunately overloaded; it is both a file name - translation flag and an I/O operating mode. O_NDELAY is the deprecated - BSD name for the same flag, overloaded in the same way. - - When used in `dir_lookup' (and consequently `open', `hurd_file_name_lookup', - or `file_name_lookup'), O_NONBLOCK says the open should return immediately - instead of blocking for any significant length of time (e.g., to wait - for carrier detect on a serial line). It is also saved as an I/O - operating mode, and after open has the following meaning. - - When used in `io_*_openmodes' (and consequently `fcntl' with the F_SETFL - command), the O_NONBLOCK flag means to do nonblocking i/o: any i/o - operation that would block for any significant length of time will instead - fail with EAGAIN. */ - -#define O_NONBLOCK 0x0008 /* Non-blocking open or non-blocking I/O. */ -#ifdef __USE_MISC -# define O_NDELAY O_NONBLOCK /* Deprecated. */ -#endif - - -#ifdef __USE_GNU -/* Mask of bits which are understood by io servers. */ -# define O_HURD (0xffff | O_EXLOCK | O_SHLOCK) -#endif - - -/* Open-time action flags. These are understood by `hurd_file_name_lookup' - and consequently by `open' and `file_name_lookup'. They are not preserved - once the file has been opened. */ - -#define O_TRUNC 0x00010000 /* Truncate file to zero length. */ -#ifdef __USE_XOPEN2K8 -# define O_CLOEXEC 0x00400000 /* Set FD_CLOEXEC. */ -#endif - - -/* Controlling terminal flags. These are understood only by `open', - and are not preserved once the file has been opened. */ - -#ifdef __USE_GNU -# define O_IGNORE_CTTY 0x00080000 /* Don't do any ctty magic at all. */ -#endif -/* `open' never assigns a controlling terminal in GNU. */ -#define O_NOCTTY 0 /* Don't assign a controlling terminal. */ - - -#ifdef __USE_MISC -/* Bits in the file status flags returned by F_GETFL. */ -# define FREAD O_RDONLY -# define FWRITE O_WRONLY - -/* Traditional BSD names the O_* bits. */ -# define FASYNC O_ASYNC -# define FCREAT O_CREAT -# define FEXCL O_EXCL -# define FTRUNC O_TRUNC -# define FNOCTTY O_NOCTTY -# define FFSYNC O_FSYNC -# define FSYNC O_SYNC -# define FAPPEND O_APPEND -# define FNONBLOCK O_NONBLOCK -# define FNDELAY O_NDELAY -#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_UNIX98 || defined __USE_XOPEN2K8 -# define F_GETOWN 5 /* Get owner (receiver of SIGIO). */ -# define F_SETOWN 6 /* Set owner (receiver of SIGIO). */ -#endif -#define F_GETLK 7 /* Get record locking info. */ -#define F_SETLK 8 /* Set record locking info (non-blocking). */ -#define F_SETLKW 9 /* Set record locking info (blocking). */ - -#ifdef __USE_XOPEN2K8 -# define F_DUPFD_CLOEXEC 1030 /* Duplicate, set FD_CLOEXEC on new one. */ -#endif - - -/* File descriptor flags used with F_GETFD and F_SETFD. */ -#define FD_CLOEXEC 1 /* Close on exec. */ - - -#include <bits/types.h> - -/* The structure describing an advisory lock. This is the type of the third - argument to `fcntl' for the F_GETLK, F_SETLK, and F_SETLKW requests. */ -struct flock - { - int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ - int l_whence; /* Where `l_start' is relative to (like `lseek'). */ -#ifndef __USE_FILE_OFFSET64 - __off_t l_start; /* Offset where the lock begins. */ - __off_t l_len; /* Size of the locked area; zero means until EOF. */ -#else - __off64_t l_start; /* Offset where the lock begins. */ - __off64_t l_len; /* Size of the locked area; zero means until EOF. */ -#endif - __pid_t l_pid; /* Process holding the lock. */ - }; - -#ifdef __USE_LARGEFILE64 -struct flock64 - { - int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ - int l_whence; /* Where `l_start' is relative to (like `lseek'). */ - __off64_t l_start; /* Offset where the lock begins. */ - __off64_t l_len; /* Size of the locked area; zero means until EOF. */ - __pid_t l_pid; /* Process holding the lock. */ - }; -#endif - -/* Values for the `l_type' field of a `struct flock'. */ -#define F_RDLCK 1 /* Read lock. */ -#define F_WRLCK 2 /* Write lock. */ -#define F_UNLCK 3 /* Remove lock. */ - -/* 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 |