1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> 3<title>uIP 1.0: uip/lc-addrlabels.h File Reference</title> 4<link href="doxygen.css" rel="stylesheet" type="text/css"> 5<link href="tabs.css" rel="stylesheet" type="text/css"> 6</head><body> 7<!-- Generated by Doxygen 1.4.6 --> 8<div class="tabs"> 9 <ul> 10 <li><a href="main.html"><span>Main Page</span></a></li> 11 <li><a href="modules.html"><span>Modules</span></a></li> 12 <li><a href="classes.html"><span>Data Structures</span></a></li> 13 <li id="current"><a href="files.html"><span>Files</span></a></li> 14 <li><a href="examples.html"><span>Examples</span></a></li> 15 </ul></div> 16<div class="tabs"> 17 <ul> 18 <li><a href="files.html"><span>File List</span></a></li> 19 <li><a href="globals.html"><span>Globals</span></a></li> 20 </ul></div> 21<h1>uip/lc-addrlabels.h File Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2> 22Implementation of local continuations based on the "Labels as values" feature of gcc. 23<p> 24<dl compact><dt><b>Author:</b></dt><dd>Adam Dunkels <<a href="mailto:[email protected]">[email protected]</a>></dd></dl> 25This implementation of local continuations is based on a special feature of the GCC C compiler called "labels as values". This feature allows assigning pointers with the address of the code corresponding to a particular C label.<p> 26For more information, see the GCC documentation: <a href="http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html">http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html</a><p> 27Thanks to dividuum for finding the nice local scope label implementation. 28<p> 29Definition in file <a class="el" href="a00189.html">lc-addrlabels.h</a>. 30<p> 31 32<p> 33<a href="a00189.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0"> 34<tr><td></td></tr> 35<tr><td colspan="2"><br><h2>Defines</h2></td></tr> 36<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="g2c1bb4fa6d7a6ff951a41c73fc721109"></a><!-- doxytag: member="lc-addrlabels.h::LC_INIT" ref="g2c1bb4fa6d7a6ff951a41c73fc721109" args="(s)" --> 37#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00155.html#g2c1bb4fa6d7a6ff951a41c73fc721109">LC_INIT</a>(s) s = NULL</td></tr> 38 39<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="g1ec8b8f4710dce1fa7fb87d3a31541ae"></a><!-- doxytag: member="lc-addrlabels.h::LC_RESUME" ref="g1ec8b8f4710dce1fa7fb87d3a31541ae" args="(s)" --> 40#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00155.html#g1ec8b8f4710dce1fa7fb87d3a31541ae">LC_RESUME</a>(s)</td></tr> 41 42<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="gd8eec328a4868d767f0c00c8d1c6cfc1"></a><!-- doxytag: member="lc-addrlabels.h::LC_SET" ref="gd8eec328a4868d767f0c00c8d1c6cfc1" args="(s)" --> 43#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00155.html#gd8eec328a4868d767f0c00c8d1c6cfc1">LC_SET</a>(s) do { ({ __label__ resume; resume: (s) = &&resume; }); }while(0)</td></tr> 44 45<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="gca51ceb2f5d855dfde55bcedf8d3b92d"></a><!-- doxytag: member="lc-addrlabels.h::LC_END" ref="gca51ceb2f5d855dfde55bcedf8d3b92d" args="(s)" --> 46#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00155.html#gca51ceb2f5d855dfde55bcedf8d3b92d">LC_END</a>(s)</td></tr> 47 48<tr><td colspan="2"><br><h2>Typedefs</h2></td></tr> 49<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="g2bdc4b7b4038454a79f1b2a94a6d2a98"></a><!-- doxytag: member="lc-addrlabels.h::lc_t" ref="g2bdc4b7b4038454a79f1b2a94a6d2a98" args="" --> 50typedef void * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00155.html#g2bdc4b7b4038454a79f1b2a94a6d2a98">lc_t</a></td></tr> 51 52</table> 53<hr size="1"><address style="align: right;"><small>Generated on Mon Jun 12 10:23:01 2006 for uIP 1.0 by 54<a href="http://www.doxygen.org/index.html"> 55<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address> 56</body> 57</html> 58
