URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [posix-input-and-output.html] - Rev 577
Go to most recent revision | Compare with Previous | Blame | View Log
<!-- Copyright (C) 2003 Red Hat, Inc. -->
<!-- This material may be distributed only subject to the terms -->
<!-- and conditions set forth in the Open Publication License, v1.0 -->
<!-- or later (the latest version is presently available at -->
<!-- http://www.opencontent.org/openpub/). -->
<!-- Distribution of the work or derivative of the work in any -->
<!-- standard (paper) book form is prohibited unless prior -->
<!-- permission is obtained from the copyright holder. -->
<HTML
><HEAD
><TITLE
>Input and Output [POSIX Section 6]</TITLE
><meta name="MSSmartTagsPreventParsing" content="TRUE">
<META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="eCos Reference Manual"
HREF="ecos-ref.html"><LINK
REL="UP"
TITLE="POSIX Standard Support"
HREF="posix-standard-support.html"><LINK
REL="PREVIOUS"
TITLE="Files and Directories [POSIX Section 5]"
HREF="posix-files-and-directories.html"><LINK
REL="NEXT"
TITLE="Device and Class Specific Functions [POSIX Section 7]"
HREF="posix-device-and-class-specific-functions.html"></HEAD
><BODY
CLASS="SECT1"
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"
>eCos Reference Manual</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="posix-files-and-directories.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 31. POSIX Standard Support</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="posix-device-and-class-specific-functions.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="POSIX-INPUT-AND-OUTPUT">Input and Output [POSIX Section 6]</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN13062">Functions Implemented</H2
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>int dup( int fd );
int dup2( int fd, int fd2 );
int close(int fd);
ssize_t read(int fd, void *buf, size_t nbyte);
ssize_t write(int fd, const void *buf, size_t nbyte);
int fcntl( int fd, int cmd, ... );
off_t lseek(int fd, off_t offset, int whence);
int fsync( int fd );
int fdatasync( int fd );</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN13065">Functions Omitted</H2
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>int pipe( int fildes[2] );
int aio_read( struct aiocb *aiocbp ); // TBA
int aio_write( struct aiocb *aiocbp ); // TBA
int lio_listio( int mode, struct aiocb *const list[],
int nent, struct sigevent *sig); // TBA
int aio_error( struct aiocb *aiocbp ); // TBA
int aio_return( struct aiocb *aiocbp ); // TBA
int aio_cancel( int fd, struct aiocb *aiocbp ); // TBA
int aio_suspend( const struct aiocb *const list[],
int nent, const struct timespec *timeout ); // TBA
int aio_fsync( int op, struct aiocb *aiocbp );
// TBA</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN13068">Notes</H2
><P
></P
><UL
><LI
><P
> Only the <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>F_DUPFD</I
></SPAN
> command
of <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>fcntl()</I
></SPAN
> is currently implemented.
</P
></LI
><LI
><P
> Most of the functionality of these functions depends on
the underlying filesystem.
</P
></LI
></UL
></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="posix-files-and-directories.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ecos-ref.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="posix-device-and-class-specific-functions.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Files and Directories [POSIX Section 5]</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="posix-standard-support.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Device and Class Specific Functions [POSIX Section 7]</TD
></TR
></TABLE
></DIV
></BODY
></HTML
> Go to most recent revision | Compare with Previous | Blame | View Log