initial import

1 files changed, 178 insertions, 0 deletions

diff --git a/sysdeps/mach/hurd/fcntlbits.h b/sysdeps/mach/hurd/fcntlbits.h
new file mode 100644
index 0000000000..8a5e4cd52a
--- /dev/null
+++ b/sysdeps/mach/hurd/fcntlbits.h
@@ -0,0 +1,178 @@
+/* O_*, F_*, FD_* bit values for GNU.
+Copyright (C) 1993, 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#ifndef	_FCNTLBITS_H
+
+#define	_FCNTLBITS_H	1
+
+
+/* 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.  */
+#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.  */
+
+
+
+/* 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
+
+
+/* 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.  */
+#ifdef __USE_BSD
+#define	O_ASYNC		0x0200	/* Send SIGIO to owner when data is ready.  */
+#define	O_FSYNC		0x0400	/* Synchronous writes.  */
+#define	O_SYNC		O_FSYNC
+#endif
+#ifdef __USE_GNU
+#define	O_NOATIME	0x0800	/* Don't set access time on read (owner).  */
+#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_BSD
+#define	O_NDELAY	O_NONBLOCK /* Deprecated.  */
+#endif
+
+
+#ifdef __USE_GNU
+/* Mask of bits which are understood by io servers.  */
+#define O_HURD		0xffff	/* XXX name? want this? */
+#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_MISC
+#define	O_SHLOCK	0x00020000 /* Open with shared file lock.  */
+#define	O_EXLOCK	0x00040000 /* Open with exclusive file lock.  */
+#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_BSD
+/* 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.  */
+#ifdef __USE_BSD
+#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).  */
+
+/* File descriptor flags used with F_GETFD and F_SETFD.  */
+#define	FD_CLOEXEC	1	/* Close on exec.  */
+
+
+#include <gnu/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').  */
+    __off_t l_start;	/* Offset where the lock begins.  */
+    __off_t l_len;	/* Size of the locked area; zero means until EOF.  */
+    __pid_t l_pid;	/* Process holding the lock.  */
+  };
+
+/* 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.  */
+
+
+#endif	/* fcntlbits.h */