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@@ -1,21 +1,21 @@
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/* O_*, F_*, FD_* bit values for Linux.
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- Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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+ Copyright (C) 1995, 1996, 1997, 1998, 2000 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 Library General Public License as
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- published by the Free Software Foundation; either version 2 of the
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- License, or (at your option) any later version.
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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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- Library General Public License for more details.
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+ Lesser General Public License for more details.
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- You should have received a copy of the GNU Library General Public
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- License along with the GNU C Library; see the file COPYING.LIB. If not,
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- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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- Boston, MA 02111-1307, USA. */
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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, write to the Free
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+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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+ 02111-1307 USA. */
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#ifndef _FCNTL_H
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# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
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@@ -42,18 +42,18 @@
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#define O_ASYNC 020000
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#ifdef __USE_GNU
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-# define O_DIRECT 040000 /* Direct disk access. */
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-# define O_DIRECTORY 0200000 /* Must be a directory. */
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-# define O_NOFOLLOW 0400000 /* Do not follow links. */
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+# define O_DIRECT 040000 /* Direct disk access. */
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+# define O_DIRECTORY 0200000 /* Must be a directory. */
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+# define O_NOFOLLOW 0400000 /* Do not follow links. */
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# define O_STREAMING 04000000/* streaming access */
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#endif
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/* For now Linux has synchronisity options for data and read operations.
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We define the symbols here but let them do the same as O_SYNC since
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- this is a superset. */
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+ this is a superset. */
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#if defined __USE_POSIX199309 || defined __USE_UNIX98
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# define O_DSYNC O_SYNC /* Synchronize data. */
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-# define O_RSYNC O_SYNC /* Synchronize read operations. */
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+# define O_RSYNC O_SYNC /* Synchronize read operations. */
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#endif
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#ifdef __USE_LARGEFILE64
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@@ -66,16 +66,20 @@
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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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-#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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-
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-/* XXX missing */
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-#define F_GETLK64 5 /* Get record locking info. */
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-#define F_SETLK64 6 /* Set record locking info (non-blocking). */
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-#define F_SETLKW64 7 /* Set record locking info (blocking). */
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+#ifndef __USE_FILE_OFFSET64
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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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+#else
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+# define F_GETLK F_GETLK64 /* Get record locking info. */
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+# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
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+# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
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+#endif
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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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-#ifdef __USE_BSD
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+#if defined __USE_BSD || defined __USE_XOPEN2K
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# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
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# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
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#endif
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@@ -85,20 +89,26 @@
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# define F_GETSIG 11 /* Get number of signal to be sent. */
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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 notfications on a directory. */
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+#endif
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+
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/* For F_[GET|SET]FL. */
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#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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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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+#define F_WRLCK 1 /* Write lock. */
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+#define F_UNLCK 2 /* Remove lock. */
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-/* for old implementation of bsd flock () */
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+/* For old implementation of bsd flock(). */
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#define F_EXLCK 4 /* or 3 */
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#define F_SHLCK 8 /* or 4 */
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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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+/* 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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@@ -106,9 +116,27 @@
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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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+
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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 attibutes. */
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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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struct flock
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{
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- short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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#ifndef __USE_FILE_OFFSET64
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__off_t l_start; /* Offset where the lock begins. */
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@@ -123,7 +151,7 @@ struct flock
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#ifdef __USE_LARGEFILE64
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struct flock64
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{
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- short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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__off64_t l_start; /* Offset where the lock begins. */
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__off64_t l_len; /* Size of the locked area; zero means until EOF. */
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@@ -140,3 +168,13 @@ struct flock64
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# define FNONBLOCK O_NONBLOCK
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# define FNDELAY O_NDELAY
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#endif /* Use BSD. */
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+
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+/* Advise to `posix_fadvise'. */
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+#ifdef __USE_XOPEN2K
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+# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
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+# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
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+# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
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+# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
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+# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
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+# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
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+#endif
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