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// -*- C++ -*-
//=============================================================================
/**
* @file os_uio.h
*
* definitions for vector I/O operations
*
* $Id$
*
* @author Don Hinton <dhinton@dresystems.com>
* @author This code was originally in various places including ace/OS.h.
*/
//=============================================================================
#ifndef ACE_OS_INCLUDE_SYS_OS_UIO_H
#define ACE_OS_INCLUDE_SYS_OS_UIO_H
#include /**/ "ace/pre.h"
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/os_include/sys/os_types.h"
#include "ace/os_include/os_limits.h"
#if !defined (ACE_LACKS_SYS_UIO_H)
# include /**/ <sys/uio.h>
#endif /* !ACE_LACKS_SYS_UIO_H */
// Place all additions (especially function declarations) within extern "C" {}
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
// todo: make this a regular ACE_LACKS macro test...
#if defined(__rtems__)
struct iovec {
/// Base address.
char *iov_base;
/// Length.
size_t iov_len;
};
#elif defined (ACE_WIN32)
/// The ordering of the fields in this struct is important. It has to
/// match those in WSABUF.
struct iovec
{
/// byte count to read/write
u_long iov_len;
/// data to be read/written
char *iov_base;
// WSABUF is a Winsock2-only type.
# if defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0)
operator WSABUF &(void) { return *((WSABUF *) this); }
# endif /* defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0) */
};
#endif /* __rtems__ */
#if defined (ACE_HAS_BROKEN_WRITEV)
typedef struct iovec ACE_WRITEV_TYPE;
#else
typedef const struct iovec ACE_WRITEV_TYPE;
#endif /* ACE_HAS_BROKEN_WRITEV */
#if defined (ACE_HAS_BROKEN_READV)
typedef const struct iovec ACE_READV_TYPE;
#else
typedef struct iovec ACE_READV_TYPE;
#endif /* ACE_HAS_BROKEN_READV */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#include /**/ "ace/post.h"
#endif /* ACE_OS_INCLUDE_SYS_OS_UIO_H */
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