Revert "MdeModulePkg/DxeCore: Fixed Interface returned by CoreOpenProtocol"

[mirror_edk2.git] / StdLib / Include / sys / uio.h

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