1 files changed, 55 insertions, 0 deletions
diff --git a/misc/sys/file.h b/misc/sys/file.h
new file mode 100644
index 0000000000..51d07bc160
--- /dev/null
+++ b/misc/sys/file.h
@@ -0,0 +1,55 @@
+/* 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, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#ifndef	_SYS_FILE_H
+
+#define	_SYS_FILE_H	1
+#include <features.h>
+
+#ifndef	_FCNTL_H
+#include <fcntl.h>
+#endif
+
+__BEGIN_DECLS
+
+
+/* Alternate names for values for the WHENCE argument to `lseek'.
+   These are the same as SEEK_SET, SEEK_CUR, and SEEK_END, respectively.  */
+#define	L_SET	0	/* Seek from beginning of file.  */
+#define	L_INCR	1	/* Seek from current position.  */
+#define	L_XTND	2	/* Seek from end of file.  */
+
+
+/* Operations for the `flock' call.  */
+#define	LOCK_SH	1    /* Shared lock.  */
+#define	LOCK_EX	2    /* Exclusive lock.  */
+#define	LOCK_UN	8    /* Unlock.  */
+
+/* Can be OR'd in to one of the above.  */
+#define	LOCK_NB	4    /* Don't block when locking.  */
+
+
+/* Apply or remove an advisory lock, according to OPERATION,
+   on the file FD refers to.  */
+extern int __flock __P ((int __fd, int __operation));
+extern int flock __P ((int __fd, int __operation));
+
+
+__END_DECLS
+
+#endif /* sys/file.h  */