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sys/uio.h

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00001 /* /////////////////////////////////////////////////////////////////////////////
00002  * File:    sys/uio.h
00003  *
00004  * Purpose: Vector file read/write.
00005  *
00006  * Created: 19th September 2005
00007  * Updated: 22nd April 2008
00008  *
00009  * Home:    http://synesis.com.au/software/
00010  *
00011  * Copyright (c) 2005-2008, Matthew Wilson and Synesis Software
00012  * All rights reserved.
00013  *
00014  * Redistribution and use in source and binary forms, with or without
00015  * modification, are permitted provided that the following conditions are met:
00016  *
00017  * - Redistributions of source code must retain the above copyright notice, this
00018  *   list of conditions and the following disclaimer.
00019  * - Redistributions in binary form must reproduce the above copyright notice,
00020  *   this list of conditions and the following disclaimer in the documentation
00021  *   and/or other materials provided with the distribution.
00022  * - Neither the names of Matthew Wilson and Synesis Software nor the names of
00023  *   any contributors may be used to endorse or promote products derived from
00024  *   this software without specific prior written permission.
00025  *
00026  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00027  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00028  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00029  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00030  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00031  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00032  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00033  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00034  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00035  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00036  * POSSIBILITY OF SUCH DAMAGE.
00037  *
00038  * ////////////////////////////////////////////////////////////////////////// */
00039 
00040 
00046 #ifndef SYNSOFT_UNIXEM_INCL_SYS_H_UIO
00047 #define SYNSOFT_UNIXEM_INCL_SYS_H_UIO
00048 
00049 #ifndef UNIXEM_DOCUMENTATION_SKIP_SECTION
00050 # define SYNSOFT_UNIXEM_VER_SYS_H_UIO_MAJOR     1
00051 # define SYNSOFT_UNIXEM_VER_SYS_H_UIO_MINOR     0
00052 # define SYNSOFT_UNIXEM_VER_SYS_H_UIO_REVISION  4
00053 # define SYNSOFT_UNIXEM_VER_SYS_H_UIO_EDIT      7
00054 #endif /* !UNIXEM_DOCUMENTATION_SKIP_SECTION */
00055 
00056 /* /////////////////////////////////////////////////////////////////////////
00057  * Includes
00058  */
00059 
00060 #include <stddef.h>
00061 
00062 /* ////////////////////////////////////////////////////////////////////////// */
00063 
00074 /* ////////////////////////////////////////////////////////////////////////// */
00075 
00076 #ifdef __cplusplus
00077 extern "C"
00078 {
00079 #endif /* __cplusplus */
00080 
00081 /* /////////////////////////////////////////////////////////////////////////////
00082  * Typedefs
00083  */
00084 
00085 #ifndef _SSIZE_T_DEFINED
00086 typedef signed long     ssize_t;
00087 # define _SSIZE_T_DEFINED
00088 #endif /* !_SSIZE_T_DEFINED */
00089 
00090 struct iovec
00091 {
00092     void    *iov_base;  /* Base address */
00093     size_t  iov_len;    /* Number of bytes referenced */
00094 };
00095 
00096 /* /////////////////////////////////////////////////////////////////////////////
00097  * Functions
00098  */
00099 
00106 ssize_t readv(int fd, struct iovec const *vector, int count);
00107 
00114 ssize_t writev(int fd, struct iovec const *vector, int count);
00115 
00116 #ifdef __cplusplus
00117 } /* extern "C" */
00118 #endif /* __cplusplus */
00119 
00120 /* ////////////////////////////////////////////////////////////////////////// */
00121 
00124 /* ////////////////////////////////////////////////////////////////////////// */
00125 
00126 #endif /* SYNSOFT_UNIXEM_INCL_SYS_H_UIO */
00127 
00128 /* ////////////////////////////////////////////////////////////////////////// */

UNIX Emulation for Win32 Libraries documentation © Synesis Software Pty Ltd, 2002-2007