1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
|
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3//EN">
<HTML><HEAD>
<TITLE>IBM Visualization Data Explorer Programmer's Reference</TITLE>
<META HTTP-EQUIV="abstract" CONTENT="IBM Visualization Data Explorer
Programmer's Reference">
<META HTTP-EQUIV="contact" CONTENT="IBM Visualization Data Explorer
(ibmdx@watson.ibm.com)">
<META HTTP-EQUIV="owner" CONTENT="IBM Visualization Data Explorer
(ibmdx@watson.ibm.com)">
<META HTTP-EQUIV="updated" CONTENT="Tue, 16 Sep 1997 ">
<META HTTP-EQUIV="review" CONTENT="Fri, 14 Aug 1998 ">
<META HTTP-EQUIV="keywords" CONTENT="GRAPHICS VISUALIZATION VISUAL PROGRAM DATA
MINING">
<meta http-equiv="content-type" content="text/html;charset=ISO-8859-1">
</HEAD><BODY BGCOLOR="#FFFFFF">
<A NAME="Top_Of_Page"></A>
<H1>IBM Visualization Data Explorer Programmer's Reference</H1>
<B>[ <A HREF="#Bot_Of_Page">Bottom of Page</A> | <A
HREF="progu288.htm">Previous Page</A> | <A HREF="progu290.htm">Next
Page</A> | <A HREF="../proguide.htm#ToC">Table of Contents</A> | <A
HREF="progu097.htm#PToC20">Partial Table of Contents</A> | <A
HREF="progu344.htm#HDRINDEX_START">Index</A> ]</B><HR><P>
<H3><A NAME="HDRDXREGIH"
HREF="progu097.htm#PToC_383">DXRegisterInputHandler</A></H3>
<A NAME="IDX2004"></A>
<A NAME="IDX2005"></A>
<P><STRONG>Function</STRONG>
<P>Assigns a handler routine for input coming from an open file
descriptor.
<P><STRONG>Syntax</STRONG>
<BR>
<TT><STRONG><BR>
#include <dx/dx.h><BR>
<P><BR>
Error DXRegisterInputHandler(Error (*proc)(int, Pointer), int fd, Pointer
arg)<BR>
</STRONG></TT><BR>
<P><STRONG>Functional Details</STRONG>
<P>Assigns a handler routine for input coming from an open file
descriptor. This function
associates the routine <TT><STRONG>proc</STRONG></TT> with the
file descriptor
<TT><STRONG>fd</STRONG></TT> and may be used to accept input from a
socket. When any input is available on <TT><STRONG>fd</STRONG></TT>, the
routine <TT><STRONG>proc</STRONG></TT> is called and
passed <TT><STRONG>fd</STRONG></TT>
and <TT><STRONG>arg</STRONG></TT>.
<P>
The file descriptor is checked for input between module executions.
Input from <TT><STRONG>fd</STRONG></TT> does not interrupt modules;
<TT><STRONG>fd</STRONG></TT> is not checked for input before returning
from DXRegisterInputHandler.
<P>
Calling DXRegisterInputHandler with <TT><STRONG>proc=NULL</STRONG></TT>
unregisters the handler.
<P><STRONG>Return Value</STRONG>
<P>Returns
<TT><STRONG>OK</STRONG></TT>,
or returns
<TT><STRONG>
ERROR
</STRONG></TT>
and sets the
error code to indicate an error.
<P><STRONG>See Also</STRONG>
<P>
<TT><STRONG>
<A HREF="progu286.htm#HDRDXRTR">DXReadyToRun</A>
</STRONG></TT>
<P>
<A HREF="progu065.htm#HDRASYNS">13.11 , "Asynchronous Services"</A>.
<P><HR><B>[ <A HREF="#Top_Of_Page">Top of Page</A> | <A
HREF="progu288.htm">Previous Page</A> | <A HREF="progu290.htm">Next
Page</A> | <A HREF="../proguide.htm#ToC">Table of Contents</A> | <A
HREF="progu097.htm#PToC20">Partial Table of Contents</A> | <A
HREF="progu344.htm#HDRINDEX_START">Index</A> ]</B> <br><b>[<a
href="../allguide.htm">Data Explorer Documentation</a> | <a
href="../qikguide.htm">QuickStart Guide</a> | <a
href="../usrguide.htm">User's Guide</a> | <a
href="../refguide.htm">User's Reference</a> | <a
href="../proguide.htm">Programmer's Reference</a> | <a
href="../insguide.htm">Installation and Configuration
Guide</a> ]</b><br><p><b>[<a
href="http://www.research.ibm.com/dx">Data Explorer Home
Page</a>]</b><p><HR ALIGN=LEFT WIDTH=600><b>[<A
HREF="http://www.ibm.com/">IBM Home Page</A> | <A
HREF="http://www.ibm.com/Orders/">Order</A> | <A
HREF="http://www.ibm.com/Search/">Search</A> | <A
HREF="http://www.ibm.com/Assist/">Contact IBM</A> | <A
HREF="http://www.ibm.com/Legal/">Legal</A> ]</b><hr><p>
<A NAME="Bot_Of_Page"></A>
</BODY></HTML>
|