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revision 105, Thu May 28 21:30:17 1998 UTC revision 106, Thu May 28 21:30:17 1998 UTC
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1  <!-- HTML/os-io.html -->  <!-- HTML/os-io.html -->
2    
3    <!-- COPYRIGHT (c) 1998 Bell Labs, Lucent Technologies. -->
4  <!-- COPYRIGHT (c) 1996 AT\|@AMP\|T Research. -->  <!-- COPYRIGHT (c) 1996 AT\|@AMP\|T Research. -->
5    
6  <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.2//EN">  <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.2//EN">
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8  <HEAD>  <HEAD>
9  <TITLE>The OS.IO structure</TITLE>  <TITLE>The OS.IO structure</TITLE>
10  </HEAD>  </HEAD>
11  <BODY>  <BODY><A NAME="top"></A>
 <A NAME="top"></A>  
12  <H1 align=CENTER>The Concurrent ML Reference Manual</H1>  <H1 align=CENTER>The Concurrent ML Reference Manual</H1>
13  <HR>  <HR>
14    
15    
16  <H3>The <CODE>OS.IO</CODE> structure</H3>  <H2><A NAME="section:0">The <CODE>OS.IO</CODE> structure</A></H2>
 <P>  
   The OS.IO structure provides a general interface for polling I/O devices, which has been modelled after the Unix SVR4 poll interface.  A <A HREF="http://www.cs.bell-labs.com/~jhr/sml/basis/pages/os-io.html#SIG:OS_IO.poll_desc:TY:SPEC">poll_desc</A>, created from an I/O descriptor, can be used to test for various polling conditions.  
17  <HR>  <HR>
18  <H4>Synopsis</H4>  <H4>Synopsis</H4>
19  <BLOCKQUOTE>  <BLOCKQUOTE>
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21  <B>structure </B><A NAME="IO:STR:SPEC"><CODE>IO</CODE></A><B> : </B>CML_OS_IO<BR>  <B>structure </B><A NAME="IO:STR:SPEC"><CODE>IO</CODE></A><B> : </B>CML_OS_IO<BR>
22  </CODE>  </CODE>
23  </BLOCKQUOTE>  </BLOCKQUOTE>
24    <P>
25      The OS.IO structure provides a general interface for polling I/O devices, which has been modelled after the Unix SVR4 poll interface.  A <A HREF="http://www.cs.bell-labs.com/~jhr/sml/basis/pages/os-io.html#SIG:OS_IO.poll_desc:TY:SPEC">poll_desc</A>, created from an I/O descriptor, can be used to test for various polling conditions.
26  <HR>  <HR>
27  <H4>Interface</H4>  <H4>Interface</H4>
28  <BLOCKQUOTE>  <BLOCKQUOTE>
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49    
50  <HR>  <HR>
51  <CENTER>  <CENTER>
52  <B>[ <A HREF="index-all.html">INDEX</A> | <A HREF="#top">TOP</A>  <B>[ <A HREF="#top">Top</A>
53     | <A HREF="core-cml.html">Parent</A> | <A HREF="refman.html">Root</A>     | <A HREF="core-cml.html">Parent</A>
54       | <A HREF="toc.html">Contents</A>
55       | <A HREF="index-all.html">Index</A>
56       | <A HREF="refman.html">Root</A>
57     ]</B>     ]</B>
58  </CENTER>  </CENTER>
59  <P>  <P>
60  <I>Last Modified April 30, 1996</I><BR>  <I>Last Modified &date;</I><BR>
61  <I>Comments to <A HREF="mailto:jhr@research.bell-labs.com">John Reppy.</A></I><BR>  <I>Comments to <A HREF="mailto:jhr@research.bell-labs.com">John Reppy.</A></I><BR>
62    
63  Copyright &copy; 1997 Bell Labs, Lucent Technologies <BR>  Copyright &copy; 1998 Bell Labs, Lucent Technologies <BR>
64    
65  <HR>  <HR>
66  </BODY>  </BODY></HTML>
 </HTML>  

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