[ramdisk] add cvitek pre-built ramdisk

Change-Id: Ic7d2046a23358129eaf621b5558984a64fa7361d

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

@@ -0,0 +1,63 @@
+/* Copyright (C) 1995-2019 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_SHM_H
+#define _SYS_SHM_H	1
+
+#include <features.h>
+
+#define __need_size_t
+#include <stddef.h>
+
+/* Get common definition of System V style IPC.  */
+#include <sys/ipc.h>
+
+/* Get system dependent definition of `struct shmid_ds' and more.  */
+#include <bits/shm.h>
+
+/* Define types required by the standard.  */
+#include <bits/types/time_t.h>
+
+#ifdef __USE_XOPEN
+# ifndef __pid_t_defined
+typedef __pid_t pid_t;
+#  define __pid_t_defined
+# endif
+#endif	/* X/Open */
+
+
+__BEGIN_DECLS
+
+/* The following System V style IPC functions implement a shared memory
+   facility.  The definition is found in XPG4.2.  */
+
+/* Shared memory control operation.  */
+extern int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) __THROW;
+
+/* Get shared memory segment.  */
+extern int shmget (key_t __key, size_t __size, int __shmflg) __THROW;
+
+/* Attach shared memory segment.  */
+extern void *shmat (int __shmid, const void *__shmaddr, int __shmflg)
+     __THROW;
+
+/* Detach shared memory segment.  */
+extern int shmdt (const void *__shmaddr) __THROW;
+
+__END_DECLS
+
+#endif /* sys/shm.h */