initial import

1 files changed, 117 insertions, 0 deletions

diff --git a/sysdeps/unix/bsd/fcntlbits.h b/sysdeps/unix/bsd/fcntlbits.h
new file mode 100644
index 0000000000..dd8b2a9efa
--- /dev/null
+++ b/sysdeps/unix/bsd/fcntlbits.h
@@ -0,0 +1,117 @@
+/* O_*, F_*, FD_* bit values for 4.3 BSD.
+Copyright (C) 1991, 1992 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		0x0200	/* Create file if it doesn't exist.  */
+#define	O_EXCL		0x0800	/* Fail if file already exists.  */
+#define	O_TRUNC		0x0400	/* Truncate file to zero length.  */
+/* Apparently not assigning a controlling terminal is the default
+   behavior in BSD, so no bit is required to request that behavior.  */
+#define	O_NOCTTY	0	/* Don't assign a controlling terminal.  */
+#if	defined (__USE_BSD) || defined (__USE_SVID)
+#define	O_ASYNC		0x0040	/* Send SIGIO to owner when data is ready.  */
+#define	O_FSYNC		0x2000	/* Synchronous writes.  */
+#define	O_SYNC		O_FSYNC
+#endif
+
+/* File status flags for `open' and `fcntl'.  */
+#define	O_APPEND	0x0008	/* Writes append to the file.  */
+#define	O_NONBLOCK	0x0004	/* Non-blocking I/O.  */
+
+#ifdef __USE_BSD
+/* BSD before 4.4 doesn't support POSIX.1 O_NONBLOCK,
+   but O_NDELAY is close.  */
+#define	O_NDELAY	O_NONBLOCK
+#endif
+
+#ifdef __USE_BSD
+/* Bits in the file status flags returned by F_GETFL.
+   These are all the O_* flags, plus FREAD and FWRITE, which are
+   independent bits set by which of O_RDONLY, O_WRONLY, and O_RDWR, was
+   given to `open'.  */
+#define FREAD		1
+#define	FWRITE		2
+
+/* 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
+
+/* 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.  */
+#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
+  {
+    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_pid;	/* Process holding the lock.  */
+    short int l_xxx;	/* Reserved for future use.  */
+  };
+
+/* 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 */