<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Direct IO Functions</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="Referência das Funções" HREF="funcref.html"><LINK REL="PREVIOUS" TITLE="dbx_sort" HREF="function.dbx-sort.html"><LINK REL="NEXT" TITLE="dio_close" HREF="function.dio-close.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="reference" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.dbx-sort.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.dio-close.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="reference" ><A NAME="ref.dio" ></A ><DIV CLASS="TITLEPAGE" ><H1 CLASS="title" >XXVIII. Direct IO Functions</H1 ><DIV CLASS="PARTINTRO" ><A NAME="AEN32626" ></A ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="dio.intro" >Introdução</A ></H1 ><P > PHP supports the direct io functions as described in the Posix Standard (Section 6) for performing I/O functions at a lower level than the C-Language stream I/O functions (<A HREF="function.fopen.html" ><B CLASS="function" >fopen()</B ></A >, <A HREF="function.fread.html" ><B CLASS="function" >fread()</B ></A >,..). The use of the DIO functions should be considered only when direct control of a device is needed. In all other cases, the standard <A HREF="ref.filesystem.html" >filesystem</A > functions are more than adequate. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Nota: </B > Esta extensão foi movida para o repositório <A HREF="http://pecl.php.net" TARGET="_top" >PECL</A > e não é mais distribuida em conjunto com o PHP a partir do PHP 5.1.0. </P ></BLOCKQUOTE ></DIV ><P > This extension is only available on Windows Platforms as of PHP 5.0.0 </P ></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="dio.requirements" >Dependências</A ></H1 ><P >Nenhuma biblioteca externa é necessária para compilar esta extensão.</P ></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="dio.installation" >Instalação</A ></H1 ><P > To get these functions to work, you have to configure PHP with <CODE CLASS="option" >--enable-dio</CODE >. </P ></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="dio.constants" >Constantes pré-definidas</A ></H1 ><P > As contantes abaixo são definidas por esta extensão e somente estarão disponíveis quando a extensão foi compilada com o PHP ou carregada dinamicamente durante a execução. </P ><P ></P ><DIV CLASS="variablelist" ><DL ><DT ><TT CLASS="constant" ><B >c</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_DUPFD</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_GETFD</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_GETFL</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_GETLK</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_GETOWN</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_RDLCK</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_SETFL</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_SETLK</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_SETLKW</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_SETOWN</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_UNLCK</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >F_WRLCK</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_APPEND</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_ASYNC</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_CREAT</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_EXCL</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_NDELAY</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_NOCTTY</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_NONBLOCK</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_RDONLY</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_RDWR</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_SYNC</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_TRUNC</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >O_WRONLY</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IRGRP</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IROTH</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IRUSR</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IRWXG</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IRWXO</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IRWXU</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IWGRP</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IWOTH</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IWUSR</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IXGRP</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IXOTH</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ><DT ><TT CLASS="constant" ><B >S_IXUSR</B ></TT > (<A HREF="language.types.integer.html" ><B CLASS="type" >integer</B ></A >)</DT ><DD ><P ></P ></DD ></DL ></DIV ></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="dio.configuration" >Configurações em execução</A ></H1 ><P >Esta extensão não define nenhum parâmetro de configuração no <TT CLASS="filename" >php.ini</TT >.</P ></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="dio.resources" >Tipos Resource</A ></H1 ><P > One resource type is defined by this extension: a file descriptor returned by <A HREF="function.dio-open.html" ><B CLASS="function" >dio_open()</B ></A >. </P ></DIV ></DIV ><DIV CLASS="TOC" ><DL ><DT ><B >Índice</B ></DT ><DT ><A HREF="function.dio-close.html" >dio_close</A > -- Closes the file descriptor given by fd</DT ><DT ><A HREF="function.dio-fcntl.html" >dio_fcntl</A > -- Performs a c library fcntl on fd</DT ><DT ><A HREF="function.dio-open.html" >dio_open</A > -- Opens a new filename with specified permissions of flags and creation permissions of mode </DT ><DT ><A HREF="function.dio-read.html" >dio_read</A > -- Reads bytes from a file descriptor</DT ><DT ><A HREF="function.dio-seek.html" >dio_seek</A > -- Seeks to pos on fd from whence</DT ><DT ><A HREF="function.dio-stat.html" >dio_stat</A > -- Gets stat information about the file descriptor fd </DT ><DT ><A HREF="function.dio-tcsetattr.html" >dio_tcsetattr</A > -- Sets terminal attributes and baud rate for a serial port </DT ><DT ><A HREF="function.dio-truncate.html" >dio_truncate</A > -- Truncates file descriptor fd to offset bytes </DT ><DT ><A HREF="function.dio-write.html" >dio_write</A > -- Writes data to fd with optional truncation at length </DT ></DL ></DIV ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.dbx-sort.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.dio-close.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >dbx_sort</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="funcref.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >dio_close</TD ></TR ></TABLE ></DIV ></BODY ></HTML >