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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>inotify-cxx: InotifyWatch Class Reference</title>
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<!-- Generated by Doxygen 1.5.1 -->
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<li><a href="annotated.html"><span>Class List</span></a></li>
<li><a href="functions.html"><span>Class Members</span></a></li>
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<h1>InotifyWatch Class Reference</h1><!-- doxytag: class="InotifyWatch" -->inotify watch class
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="inotify-cxx_8h-source.html">inotify-cxx.h</a>></code>
<p>
<a href="classInotifyWatch-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#c9c02f1dbd143eebd711eba03ac366e9">InotifyWatch</a> (const std::string &rPath, int32_t uMask, bool fEnabled=true)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#c9c02f1dbd143eebd711eba03ac366e9"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#871c16b01aa8841b36246e5b629ecaef">~InotifyWatch</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#871c16b01aa8841b36246e5b629ecaef"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#df771e1f81e2a6cc2780c9d2470e34c6">GetDescriptor</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the watch descriptor. <a href="#df771e1f81e2a6cc2780c9d2470e34c6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const std::string & </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#89f897a4d98fa54de27730dd8be67966">GetPath</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the watched file path. <a href="#89f897a4d98fa54de27730dd8be67966"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#bab761a989c9fdf73aaad2a58e1ba7a0">GetMask</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the watch event mask. <a href="#bab761a989c9fdf73aaad2a58e1ba7a0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#3ad7fbc55c21b3fcd08c2d1d388e14b6">SetMask</a> (uint32_t uMask) throw (InotifyException)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the watch event mask. <a href="#3ad7fbc55c21b3fcd08c2d1d388e14b6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classInotify.html">Inotify</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#cbf0042d06841f9503405b104e4c35d0">GetInotify</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the appropriate inotify class instance. <a href="#cbf0042d06841f9503405b104e4c35d0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#a71aff8650fadff32a3c655ca50945f1">SetEnabled</a> (bool fEnabled) throw (InotifyException)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Enables/disables the watch. <a href="#a71aff8650fadff32a3c655ca50945f1"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#3d2a5c58a07449bc6ff192f6c14c4de0">IsEnabled</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Checks whether the watch is enabled. <a href="#3d2a5c58a07449bc6ff192f6c14c4de0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#1c8ab316b54cb7d1d0b17cbbe6b7d2f8">IsRecursive</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Checks whether the watch is recursive. <a href="#1c8ab316b54cb7d1d0b17cbbe6b7d2f8"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Friends</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classInotifyWatch.html#94bfb861dc18ca5d16abfcff90db8c86">Inotify</a></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
inotify watch class
<p>
It holds information about the inotify watch on a particular inode.<p>
If the INOTIFY_THREAD_SAFE is defined this class is thread-safe.
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="c9c02f1dbd143eebd711eba03ac366e9"></a><!-- doxytag: member="InotifyWatch::InotifyWatch" ref="c9c02f1dbd143eebd711eba03ac366e9" args="(const std::string &rPath, int32_t uMask, bool fEnabled=true)" -->
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<td class="memname">InotifyWatch::InotifyWatch </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"> <em>rPath</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int32_t </td>
<td class="paramname"> <em>uMask</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>fEnabled</em> = <code>true</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [inline]</code></td>
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<div class="memdoc">
<p>
Constructor.
<p>
Creates an inotify watch. Because this watch is inactive it has an invalid descriptor (-1).<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>rPath</em> </td><td>watched file path </td></tr>
<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>uMask</em> </td><td>mask for events </td></tr>
<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>fEnabled</em> </td><td>events enabled yes/no </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="871c16b01aa8841b36246e5b629ecaef"></a><!-- doxytag: member="InotifyWatch::~InotifyWatch" ref="871c16b01aa8841b36246e5b629ecaef" args="()" -->
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<td class="memname">InotifyWatch::~InotifyWatch </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"><code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Destructor.
<p>
</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="df771e1f81e2a6cc2780c9d2470e34c6"></a><!-- doxytag: member="InotifyWatch::GetDescriptor" ref="df771e1f81e2a6cc2780c9d2470e34c6" args="() const" -->
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<td class="memname">int32_t InotifyWatch::GetDescriptor </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const<code> [inline]</code></td>
</tr>
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<div class="memdoc">
<p>
Returns the watch descriptor.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>watch descriptor; -1 for inactive watch </dd></dl>
</div>
</div><p>
<a class="anchor" name="89f897a4d98fa54de27730dd8be67966"></a><!-- doxytag: member="InotifyWatch::GetPath" ref="89f897a4d98fa54de27730dd8be67966" args="() const" -->
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<td class="memname">const std::string& InotifyWatch::GetPath </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const<code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the watched file path.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>file path </dd></dl>
</div>
</div><p>
<a class="anchor" name="bab761a989c9fdf73aaad2a58e1ba7a0"></a><!-- doxytag: member="InotifyWatch::GetMask" ref="bab761a989c9fdf73aaad2a58e1ba7a0" args="() const" -->
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<td class="memname">uint32_t InotifyWatch::GetMask </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const<code> [inline]</code></td>
</tr>
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<p>
Returns the watch event mask.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>event mask </dd></dl>
</div>
</div><p>
<a class="anchor" name="3ad7fbc55c21b3fcd08c2d1d388e14b6"></a><!-- doxytag: member="InotifyWatch::SetMask" ref="3ad7fbc55c21b3fcd08c2d1d388e14b6" args="(uint32_t uMask)" -->
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<td class="memname">void InotifyWatch::SetMask </td>
<td>(</td>
<td class="paramtype">uint32_t </td>
<td class="paramname"> <em>uMask</em> </td>
<td> ) </td>
<td width="100%"> throw (<a class="el" href="classInotifyException.html">InotifyException</a>)</td>
</tr>
</table>
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<p>
Sets the watch event mask.
<p>
If the watch is active (added to an instance of <a class="el" href="classInotify.html">Inotify</a>) this method may fail due to unsuccessful re-setting the watch in the kernel.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>uMask</em> </td><td>event mask</td></tr>
</table>
</dl>
<dl compact><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classInotifyException.html">InotifyException</a></em> </td><td>thrown if changing fails </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="cbf0042d06841f9503405b104e4c35d0"></a><!-- doxytag: member="InotifyWatch::GetInotify" ref="cbf0042d06841f9503405b104e4c35d0" args="()" -->
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<td class="memname"><a class="el" href="classInotify.html">Inotify</a>* InotifyWatch::GetInotify </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"><code> [inline]</code></td>
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<p>
Returns the appropriate inotify class instance.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>inotify instance </dd></dl>
</div>
</div><p>
<a class="anchor" name="a71aff8650fadff32a3c655ca50945f1"></a><!-- doxytag: member="InotifyWatch::SetEnabled" ref="a71aff8650fadff32a3c655ca50945f1" args="(bool fEnabled)" -->
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<td class="memname">void InotifyWatch::SetEnabled </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>fEnabled</em> </td>
<td> ) </td>
<td width="100%"> throw (<a class="el" href="classInotifyException.html">InotifyException</a>)</td>
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<p>
Enables/disables the watch.
<p>
If the watch is active (added to an instance of <a class="el" href="classInotify.html">Inotify</a>) this method may fail due to unsuccessful re-setting the watch in the kernel.<p>
Re-setting the current state has no effect.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>fEnabled</em> </td><td>set enabled yes/no</td></tr>
</table>
</dl>
<dl compact><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classInotifyException.html">InotifyException</a></em> </td><td>thrown if enabling/disabling fails </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="3d2a5c58a07449bc6ff192f6c14c4de0"></a><!-- doxytag: member="InotifyWatch::IsEnabled" ref="3d2a5c58a07449bc6ff192f6c14c4de0" args="() const" -->
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<td class="memname">bool InotifyWatch::IsEnabled </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const<code> [inline]</code></td>
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<p>
Checks whether the watch is enabled.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>true = enables, false = disabled </dd></dl>
</div>
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<a class="anchor" name="1c8ab316b54cb7d1d0b17cbbe6b7d2f8"></a><!-- doxytag: member="InotifyWatch::IsRecursive" ref="1c8ab316b54cb7d1d0b17cbbe6b7d2f8" args="() const" -->
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<td class="memname">bool InotifyWatch::IsRecursive </td>
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<td width="100%"> const<code> [inline]</code></td>
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<p>
Checks whether the watch is recursive.
<p>
A recursive watch monitors a directory itself and all its subdirectories. This watch is a logical object which may have many underlying kernel watches.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>currently always false (recursive watches not yet supported) </dd></dl>
<dl class="attention" compact><dt><b>Attention:</b></dt><dd>Recursive watches are currently NOT supported. They are planned for future versions. </dd></dl>
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<hr><h2>Friends And Related Function Documentation</h2>
<a class="anchor" name="94bfb861dc18ca5d16abfcff90db8c86"></a><!-- doxytag: member="InotifyWatch::Inotify" ref="94bfb861dc18ca5d16abfcff90db8c86" args="" -->
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<td class="memname">friend class <a class="el" href="classInotify.html">Inotify</a><code> [friend]</code> </td>
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<p>
</div>
</div><p>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="inotify-cxx_8h-source.html">inotify-cxx.h</a><li><a class="el" href="inotify-cxx_8cpp.html">inotify-cxx.cpp</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Wed Apr 18 18:26:40 2007 for inotify-cxx by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.1 </small></address>
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