1 files changed, 123 insertions, 0 deletions
diff --git a/StdLib/Include/sys/uio.h b/StdLib/Include/sys/uio.h
new file mode 100644
index 0000000000..8c3ee8fbf9
--- /dev/null
+++ b/StdLib/Include/sys/uio.h
@@ -0,0 +1,123 @@
+/*  $NetBSD: uio.h,v 1.34 2006/03/01 12:38:32 yamt Exp $  */
+
+/*
+ * Copyright (c) 1982, 1986, 1993, 1994
+ *  The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *  @(#)uio.h 8.5 (Berkeley) 2/22/94
+ */
+
+#ifndef _SYS_UIO_H_
+#define _SYS_UIO_H_
+
+#ifdef _KERNEL
+#ifndef __UIO_EXPOSE
+#define __UIO_EXPOSE
+#endif
+#endif
+
+#include <machine/ansi.h>
+#include <sys/featuretest.h>
+
+#ifdef  _BSD_SIZE_T_
+typedef _BSD_SIZE_T_  size_t;
+#undef  _BSD_SIZE_T_
+#endif
+
+#ifdef  _BSD_SSIZE_T_
+typedef _BSD_SSIZE_T_ ssize_t;
+#undef  _BSD_SSIZE_T_
+#endif
+
+struct iovec {
+  void  *iov_base;  /* Base address. */
+  size_t   iov_len; /* Length. */
+};
+
+#if defined(_NETBSD_SOURCE)
+#include <sys/ansi.h>
+
+#ifndef off_t
+typedef __off_t   off_t;  /* file offset */
+#define off_t   __off_t
+#endif
+
+enum  uio_rw { UIO_READ, UIO_WRITE };
+
+/* Segment flag values. */
+enum uio_seg {
+  UIO_USERSPACE,    /* from user data space */
+  UIO_SYSSPACE    /* from system space */
+};
+
+#ifdef __UIO_EXPOSE
+
+struct uio {
+  struct  iovec *uio_iov; /* pointer to array of iovecs */
+  int uio_iovcnt; /* number of iovecs in array */
+  off_t uio_offset; /* offset into file this uio corresponds to */
+  size_t  uio_resid;  /* residual i/o count */
+  enum  uio_rw uio_rw;  /* see above */
+  struct  vmspace *uio_vmspace;
+};
+#define UIO_SETUP_SYSSPACE(uio) uio_setup_sysspace(uio)
+
+#endif /* __UIO_EXPOSE */
+
+/*
+ * Limits
+ */
+/* Deprecated: use IOV_MAX from <limits.h> instead. */
+#define UIO_MAXIOV  1024    /* max 1K of iov's */
+#endif /* _NETBSD_SOURCE */
+
+#ifdef _KERNEL
+#include <sys/mallocvar.h>
+
+MALLOC_DECLARE(M_IOV);
+
+#define UIO_SMALLIOV  8   /* 8 on stack, else malloc */
+
+void uio_setup_sysspace(struct uio *);
+#endif
+
+#ifndef _KERNEL
+#include <sys/EfiCdefs.h>
+
+__BEGIN_DECLS
+#if defined(_NETBSD_SOURCE)
+ssize_t preadv(int, const struct iovec *, int, off_t);
+ssize_t pwritev(int, const struct iovec *, int, off_t);
+#endif /* _NETBSD_SOURCE */
+ssize_t readv(int, const struct iovec *, int);
+ssize_t writev(int, const struct iovec *, int);
+__END_DECLS
+#else
+int ureadc(int, struct uio *);
+#endif /* !_KERNEL */
+
+#endif /* !_SYS_UIO_H_ */