--- /dev/null
+/* O_*, F_*, FD_* bit values for SGI Irix 4.
+Copyright (C) 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 for `open' and `fcntl'. */
+#define O_RDONLY 0 /* Open read-only. */
+#define O_WRONLY 1 /* Open write-only. */
+#define O_RDWR 2 /* Open read/write. */
+
+
+/* Bits OR'd into the second argument to open. */
+#define O_CREAT 00400 /* Create file if it doesn't exist. */
+#define O_EXCL 02000 /* Fail if file already exists. */
+#define O_TRUNC 01000 /* Truncate file to zero length. */
+#ifdef __USE_MISC
+#define O_SYNC 00020 /* Synchronous writes. */
+#define O_ASYNC 00100 /* Send SIGIO to owner when data is ready. */
+#endif
+
+/* File status flags for `open' and `fcntl'. */
+#define O_APPEND 000010 /* Writes append to the file. */
+#ifdef __USE_BSD
+#define O_NDELAY 000004 /* Non-blocking I/O. */
+#endif
+#define O_NONBLOCK 000200 /* POSIX.1 non-blocking I/O. */
+
+/* Mask for file access modes. This is system-dependent in case
+ some system ever wants to define some other flavor of access. */
+#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
+
+/* 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. */
+#define F_GETLK 5 /* Get record locking info. */
+#define F_SETLK 6 /* Set record locking info. */
+#define F_SETLKW 7 /* Set record locking info, wait. */
+#ifdef __USE_MISC
+#define F_CHKFL 8 /* Check legality of file flag changes. */
+#define F_ALLOCSP 10
+#define F_FREESP 11
+#define F_SETBSDLK 12 /* Set Berkeley record lock. */
+#define F_SETBSDLKW 13 /* Set Berkeley record lock and wait. */
+#define F_RGETLK 20 /* Get info on a remote lock. */
+#define F_RSETLK 21 /* Set or unlock a remote lock. */
+#define F_RSETLKW 22 /* Set or unlock a remote lock and wait. */
+#define F_GETOWN 10 /* Get owner; only works on sockets. */
+#define F_SETOWN 11 /* Set owner; only works on sockets. */
+#endif
+
+
+/* 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
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short 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. */
+ short int l_sysid; /* System ID where locking process resides. */
+ short int 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 */
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