[ramdisk] add cvitek pre-built ramdisk

Change-Id: Ic7d2046a23358129eaf621b5558984a64fa7361d

ramdisk/initramfs/glibc_riscv64/usr/include/sys/file.h

@@ -0,0 +1,55 @@
+/* Copyright (C) 1991-2019 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#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.  */
+#ifndef L_SET
+# 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.  */
+#endif
+
+
+/* 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 (int __fd, int __operation) __THROW;
+
+
+__END_DECLS
+
+#endif /* sys/file.h  */