doc/generated/doxygen/classcrashpad_1_1Ptracer.html - third_party/crashpad - Git at Google

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 <li class="navelem"><a class="el" href="namespacecrashpad.html">crashpad</a></li><li class="navelem"><a class="el" href="classcrashpad_1_1Ptracer.html">Ptracer</a></li>  </ul>
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 <div class="header">
   <div class="summary">
 <a href="#pub-methods">Public Member Functions</a> &#124;
 <a href="classcrashpad_1_1Ptracer-members.html">List of all members</a>  </div>
   <div class="headertitle">
 <div class="title">crashpad::Ptracer Class Reference</div>  </div>
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 <p>Provides an architecturally agnostic interface for collecting information with <code>ptrace</code>.
  <a href="classcrashpad_1_1Ptracer.html#details">More...</a></p>

 <p><code>#include &quot;util/linux/ptracer.h&quot;</code></p>
 <table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
 Public Member Functions</h2></td></tr>
 <tr class="memitem:abd1431ec88983c9d1a6282e622e32d65"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#abd1431ec88983c9d1a6282e622e32d65">Ptracer</a> (bool is_64_bit, bool can_log)</td></tr>
 <tr class="memdesc:abd1431ec88983c9d1a6282e622e32d65"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructs this object with a pre-determined bitness.  <a href="classcrashpad_1_1Ptracer.html#abd1431ec88983c9d1a6282e622e32d65">More...</a><br /></td></tr>
 <tr class="separator:abd1431ec88983c9d1a6282e622e32d65"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a73a6d58c4e265a88079e009ad511adfe"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#a73a6d58c4e265a88079e009ad511adfe">Ptracer</a> (bool can_log)</td></tr>
 <tr class="memdesc:a73a6d58c4e265a88079e009ad511adfe"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructs this object without a pre-determined bitness.  <a href="classcrashpad_1_1Ptracer.html#a73a6d58c4e265a88079e009ad511adfe">More...</a><br /></td></tr>
 <tr class="separator:a73a6d58c4e265a88079e009ad511adfe"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a110b2dba5079e93ff13230b2f6a51e9c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#a110b2dba5079e93ff13230b2f6a51e9c">Initialize</a> (pid_t pid)</td></tr>
 <tr class="memdesc:a110b2dba5079e93ff13230b2f6a51e9c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initializes this object to the bitness of the process whose process ID is <em>pid</em>.  <a href="classcrashpad_1_1Ptracer.html#a110b2dba5079e93ff13230b2f6a51e9c">More...</a><br /></td></tr>
 <tr class="separator:a110b2dba5079e93ff13230b2f6a51e9c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a099fd87be8696988f4f54072b0aad564"><td class="memItemLeft" align="right" valign="top"><a id="a099fd87be8696988f4f54072b0aad564"></a>
 bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#a099fd87be8696988f4f54072b0aad564">Is64Bit</a> ()</td></tr>
 <tr class="memdesc:a099fd87be8696988f4f54072b0aad564"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return <code>true</code> if this object is configured for 64-bit. <br /></td></tr>
 <tr class="separator:a099fd87be8696988f4f54072b0aad564"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:ae6b7f81ee593a72d38789e890f5abd1d"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#ae6b7f81ee593a72d38789e890f5abd1d">GetThreadInfo</a> (pid_t tid, <a class="el" href="structcrashpad_1_1ThreadInfo.html">ThreadInfo</a> *info)</td></tr>
 <tr class="memdesc:ae6b7f81ee593a72d38789e890f5abd1d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Uses <code>ptrace</code> to collect information about the thread with thread ID <em>tid</em>.  <a href="classcrashpad_1_1Ptracer.html#ae6b7f81ee593a72d38789e890f5abd1d">More...</a><br /></td></tr>
 <tr class="separator:ae6b7f81ee593a72d38789e890f5abd1d"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:ab5e3c4efe6d3a06ea6abdf60fec2747f"><td class="memItemLeft" align="right" valign="top">ssize_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#ab5e3c4efe6d3a06ea6abdf60fec2747f">ReadUpTo</a> (pid_t pid, <a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> address, size_t size, char *buffer)</td></tr>
 <tr class="memdesc:ab5e3c4efe6d3a06ea6abdf60fec2747f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Uses <code>ptrace</code> to read memory from the process with process ID <em>pid</em>, up to a maximum number of bytes.  <a href="classcrashpad_1_1Ptracer.html#ab5e3c4efe6d3a06ea6abdf60fec2747f">More...</a><br /></td></tr>
 <tr class="separator:ab5e3c4efe6d3a06ea6abdf60fec2747f"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 <div class="textblock"><p>Provides an architecturally agnostic interface for collecting information with <code>ptrace</code>. </p>
 <p>A ptracer is configured for a particular bitness. It is an error to make any calls via this object against a thread whose bitness does not match the bitness this object was initialized with. </p>
 </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
 <a id="abd1431ec88983c9d1a6282e622e32d65"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#abd1431ec88983c9d1a6282e622e32d65">&#9670;&nbsp;</a></span>Ptracer() <span class="overload">[1/2]</span></h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">crashpad::Ptracer::Ptracer </td>
           <td>(</td>
           <td class="paramtype">bool&#160;</td>
           <td class="paramname"><em>is_64_bit</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype">bool&#160;</td>
           <td class="paramname"><em>can_log</em>&#160;</td>
         </tr>
         <tr>
           <td></td>
           <td>)</td>
           <td></td><td></td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Constructs this object with a pre-determined bitness. </p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramdir">[in]</td><td class="paramname">is_64_bit</td><td><code>true</code> if this object is to be configured for 64-bit. </td></tr>
     <tr><td class="paramdir">[in]</td><td class="paramname">can_log</td><td>Whether methods in this class can log error messages. </td></tr>
   </table>
   </dd>
 </dl>

 </div>
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 <a id="a73a6d58c4e265a88079e009ad511adfe"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#a73a6d58c4e265a88079e009ad511adfe">&#9670;&nbsp;</a></span>Ptracer() <span class="overload">[2/2]</span></h2>

 <div class="memitem">
 <div class="memproto">
 <table class="mlabels">
   <tr>
   <td class="mlabels-left">
       <table class="memname">
         <tr>
           <td class="memname">crashpad::Ptracer::Ptracer </td>
           <td>(</td>
           <td class="paramtype">bool&#160;</td>
           <td class="paramname"><em>can_log</em></td><td>)</td>
           <td></td>
         </tr>
       </table>
   </td>
   <td class="mlabels-right">
 <span class="mlabels"><span class="mlabel">explicit</span></span>  </td>
   </tr>
 </table>
 </div><div class="memdoc">

 <p>Constructs this object without a pre-determined bitness. </p>
 <p><a class="el" href="classcrashpad_1_1Ptracer.html#a110b2dba5079e93ff13230b2f6a51e9c" title="Initializes this object to the bitness of the process whose process ID is pid.">Initialize()</a> must be successfully called before making any other calls on this object.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramdir">[in]</td><td class="paramname">can_log</td><td>Whether methods in this class can log error messages. </td></tr>
   </table>
   </dd>
 </dl>

 </div>
 </div>
 <h2 class="groupheader">Member Function Documentation</h2>
 <a id="ae6b7f81ee593a72d38789e890f5abd1d"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#ae6b7f81ee593a72d38789e890f5abd1d">&#9670;&nbsp;</a></span>GetThreadInfo()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">bool crashpad::Ptracer::GetThreadInfo </td>
           <td>(</td>
           <td class="paramtype">pid_t&#160;</td>
           <td class="paramname"><em>tid</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype"><a class="el" href="structcrashpad_1_1ThreadInfo.html">ThreadInfo</a> *&#160;</td>
           <td class="paramname"><em>info</em>&#160;</td>
         </tr>
         <tr>
           <td></td>
           <td>)</td>
           <td></td><td></td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Uses <code>ptrace</code> to collect information about the thread with thread ID <em>tid</em>. </p>
 <p>The target thread should be attached before calling this method. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classcrashpad_1_1ScopedPtraceAttach.html" title="Maintains a ptrace() attachment to a process.">ScopedPtraceAttach</a></dd></dl>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramdir">[in]</td><td class="paramname">tid</td><td>The thread ID of the thread to collect information for. </td></tr>
     <tr><td class="paramdir">[out]</td><td class="paramname">info</td><td>A <a class="el" href="structcrashpad_1_1ThreadInfo.html" title="A collection of ptrace-able information about a thread.">ThreadInfo</a> for the thread. </td></tr>
   </table>
   </dd>
 </dl>
 <dl class="section return"><dt>Returns</dt><dd><code>true</code> on success. <code>false</code> on failure with a message logged, if enabled. </dd></dl>

 </div>
 </div>
 <a id="a110b2dba5079e93ff13230b2f6a51e9c"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#a110b2dba5079e93ff13230b2f6a51e9c">&#9670;&nbsp;</a></span>Initialize()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">bool crashpad::Ptracer::Initialize </td>
           <td>(</td>
           <td class="paramtype">pid_t&#160;</td>
           <td class="paramname"><em>pid</em></td><td>)</td>
           <td></td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Initializes this object to the bitness of the process whose process ID is <em>pid</em>. </p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramdir">[in]</td><td class="paramname">pid</td><td>The process ID of the process to initialize with. </td></tr>
   </table>
   </dd>
 </dl>
 <dl class="section return"><dt>Returns</dt><dd><code>true</code> on success. <code>false</code> on failure with a message logged, if enabled. </dd></dl>

 </div>
 </div>
 <a id="ab5e3c4efe6d3a06ea6abdf60fec2747f"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#ab5e3c4efe6d3a06ea6abdf60fec2747f">&#9670;&nbsp;</a></span>ReadUpTo()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">ssize_t crashpad::Ptracer::ReadUpTo </td>
           <td>(</td>
           <td class="paramtype">pid_t&#160;</td>
           <td class="paramname"><em>pid</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a>&#160;</td>
           <td class="paramname"><em>address</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype">size_t&#160;</td>
           <td class="paramname"><em>size</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype">char *&#160;</td>
           <td class="paramname"><em>buffer</em>&#160;</td>
         </tr>
         <tr>
           <td></td>
           <td>)</td>
           <td></td><td></td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Uses <code>ptrace</code> to read memory from the process with process ID <em>pid</em>, up to a maximum number of bytes. </p>
 <p>The target process should already be attached before calling this method. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classcrashpad_1_1ScopedPtraceAttach.html" title="Maintains a ptrace() attachment to a process.">ScopedPtraceAttach</a></dd></dl>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramdir">[in]</td><td class="paramname">pid</td><td>The process ID whose memory to read. </td></tr>
     <tr><td class="paramdir">[in]</td><td class="paramname">address</td><td>The base address of the region to read. </td></tr>
     <tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>The size of the memory region to read. <em>buffer</em> must be at least this size. </td></tr>
     <tr><td class="paramdir">[out]</td><td class="paramname">buffer</td><td>The buffer to fill with the data read. </td></tr>
   </table>
   </dd>
 </dl>
 <dl class="section return"><dt>Returns</dt><dd>the number of bytes read, 0 if there are no more bytes to read, or -1 on failure with a message logged if logging is enabled. </dd></dl>

 </div>
 </div>
 <hr/>The documentation for this class was generated from the following files:<ul>
 <li>util/linux/ptracer.h</li>
 <li>util/linux/ptracer.cc</li>
 </ul>
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	<a href="#pub-methods">Public Member Functions</a> \|
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	<p>Provides an architecturally agnostic interface for collecting information with <code>ptrace</code>.
	<a href="classcrashpad_1_1Ptracer.html#details">More...</a></p>

	<p><code>#include "util/linux/ptracer.h"</code></p>
	<table class="memberdecls">
	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
	Public Member Functions</h2></td></tr>
	<tr class="memitem:abd1431ec88983c9d1a6282e622e32d65"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#abd1431ec88983c9d1a6282e622e32d65">Ptracer</a> (bool is_64_bit, bool can_log)</td></tr>
	<tr class="memdesc:abd1431ec88983c9d1a6282e622e32d65"><td class="mdescLeft"> </td><td class="mdescRight">Constructs this object with a pre-determined bitness. <a href="classcrashpad_1_1Ptracer.html#abd1431ec88983c9d1a6282e622e32d65">More...</a><br /></td></tr>
	<tr class="separator:abd1431ec88983c9d1a6282e622e32d65"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:a73a6d58c4e265a88079e009ad511adfe"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#a73a6d58c4e265a88079e009ad511adfe">Ptracer</a> (bool can_log)</td></tr>
	<tr class="memdesc:a73a6d58c4e265a88079e009ad511adfe"><td class="mdescLeft"> </td><td class="mdescRight">Constructs this object without a pre-determined bitness. <a href="classcrashpad_1_1Ptracer.html#a73a6d58c4e265a88079e009ad511adfe">More...</a><br /></td></tr>
	<tr class="separator:a73a6d58c4e265a88079e009ad511adfe"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:a110b2dba5079e93ff13230b2f6a51e9c"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#a110b2dba5079e93ff13230b2f6a51e9c">Initialize</a> (pid_t pid)</td></tr>
	<tr class="memdesc:a110b2dba5079e93ff13230b2f6a51e9c"><td class="mdescLeft"> </td><td class="mdescRight">Initializes this object to the bitness of the process whose process ID is <em>pid</em>. <a href="classcrashpad_1_1Ptracer.html#a110b2dba5079e93ff13230b2f6a51e9c">More...</a><br /></td></tr>
	<tr class="separator:a110b2dba5079e93ff13230b2f6a51e9c"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:a099fd87be8696988f4f54072b0aad564"><td class="memItemLeft" align="right" valign="top"><a id="a099fd87be8696988f4f54072b0aad564"></a>
	bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#a099fd87be8696988f4f54072b0aad564">Is64Bit</a> ()</td></tr>
	<tr class="memdesc:a099fd87be8696988f4f54072b0aad564"><td class="mdescLeft"> </td><td class="mdescRight">Return <code>true</code> if this object is configured for 64-bit. <br /></td></tr>
	<tr class="separator:a099fd87be8696988f4f54072b0aad564"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:ae6b7f81ee593a72d38789e890f5abd1d"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#ae6b7f81ee593a72d38789e890f5abd1d">GetThreadInfo</a> (pid_t tid, <a class="el" href="structcrashpad_1_1ThreadInfo.html">ThreadInfo</a> *info)</td></tr>
	<tr class="memdesc:ae6b7f81ee593a72d38789e890f5abd1d"><td class="mdescLeft"> </td><td class="mdescRight">Uses <code>ptrace</code> to collect information about the thread with thread ID <em>tid</em>. <a href="classcrashpad_1_1Ptracer.html#ae6b7f81ee593a72d38789e890f5abd1d">More...</a><br /></td></tr>
	<tr class="separator:ae6b7f81ee593a72d38789e890f5abd1d"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:ab5e3c4efe6d3a06ea6abdf60fec2747f"><td class="memItemLeft" align="right" valign="top">ssize_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#ab5e3c4efe6d3a06ea6abdf60fec2747f">ReadUpTo</a> (pid_t pid, <a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> address, size_t size, char *buffer)</td></tr>
	<tr class="memdesc:ab5e3c4efe6d3a06ea6abdf60fec2747f"><td class="mdescLeft"> </td><td class="mdescRight">Uses <code>ptrace</code> to read memory from the process with process ID <em>pid</em>, up to a maximum number of bytes. <a href="classcrashpad_1_1Ptracer.html#ab5e3c4efe6d3a06ea6abdf60fec2747f">More...</a><br /></td></tr>
	<tr class="separator:ab5e3c4efe6d3a06ea6abdf60fec2747f"><td class="memSeparator" colspan="2"> </td></tr>
	</table>
	<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
	<div class="textblock"><p>Provides an architecturally agnostic interface for collecting information with <code>ptrace</code>. </p>
	<p>A ptracer is configured for a particular bitness. It is an error to make any calls via this object against a thread whose bitness does not match the bitness this object was initialized with. </p>
	</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
	<a id="abd1431ec88983c9d1a6282e622e32d65"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#abd1431ec88983c9d1a6282e622e32d65">◆ </a></span>Ptracer() <span class="overload">[1/2]</span></h2>

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	<td class="memname">crashpad::Ptracer::Ptracer </td>
	<td>(</td>
	<td class="paramtype">bool </td>
	<td class="paramname"><em>is_64_bit</em>, </td>
	</tr>
	<tr>
	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype">bool </td>
	<td class="paramname"><em>can_log</em> </td>
	</tr>
	<tr>
	<td></td>
	<td>)</td>
	<td></td><td></td>
	</tr>
	</table>
	</div><div class="memdoc">

	<p>Constructs this object with a pre-determined bitness. </p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramdir">[in]</td><td class="paramname">is_64_bit</td><td><code>true</code> if this object is to be configured for 64-bit. </td></tr>
	<tr><td class="paramdir">[in]</td><td class="paramname">can_log</td><td>Whether methods in this class can log error messages. </td></tr>
	</table>
	</dd>
	</dl>

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	</div>
	<a id="a73a6d58c4e265a88079e009ad511adfe"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#a73a6d58c4e265a88079e009ad511adfe">◆ </a></span>Ptracer() <span class="overload">[2/2]</span></h2>

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	<td class="mlabels-left">
	<table class="memname">
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	<td class="memname">crashpad::Ptracer::Ptracer </td>
	<td>(</td>
	<td class="paramtype">bool </td>
	<td class="paramname"><em>can_log</em></td><td>)</td>
	<td></td>
	</tr>
	</table>
	</td>
	<td class="mlabels-right">
	<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
	</tr>
	</table>
	</div><div class="memdoc">

	<p>Constructs this object without a pre-determined bitness. </p>
	<p><a class="el" href="classcrashpad_1_1Ptracer.html#a110b2dba5079e93ff13230b2f6a51e9c" title="Initializes this object to the bitness of the process whose process ID is pid.">Initialize()</a> must be successfully called before making any other calls on this object.</p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramdir">[in]</td><td class="paramname">can_log</td><td>Whether methods in this class can log error messages. </td></tr>
	</table>
	</dd>
	</dl>

	</div>
	</div>
	<h2 class="groupheader">Member Function Documentation</h2>
	<a id="ae6b7f81ee593a72d38789e890f5abd1d"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#ae6b7f81ee593a72d38789e890f5abd1d">◆ </a></span>GetThreadInfo()</h2>

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	<td class="memname">bool crashpad::Ptracer::GetThreadInfo </td>
	<td>(</td>
	<td class="paramtype">pid_t </td>
	<td class="paramname"><em>tid</em>, </td>
	</tr>
	<tr>
	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype"><a class="el" href="structcrashpad_1_1ThreadInfo.html">ThreadInfo</a> * </td>
	<td class="paramname"><em>info</em> </td>
	</tr>
	<tr>
	<td></td>
	<td>)</td>
	<td></td><td></td>
	</tr>
	</table>
	</div><div class="memdoc">

	<p>Uses <code>ptrace</code> to collect information about the thread with thread ID <em>tid</em>. </p>
	<p>The target thread should be attached before calling this method. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classcrashpad_1_1ScopedPtraceAttach.html" title="Maintains a ptrace() attachment to a process.">ScopedPtraceAttach</a></dd></dl>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramdir">[in]</td><td class="paramname">tid</td><td>The thread ID of the thread to collect information for. </td></tr>
	<tr><td class="paramdir">[out]</td><td class="paramname">info</td><td>A <a class="el" href="structcrashpad_1_1ThreadInfo.html" title="A collection of ptrace-able information about a thread.">ThreadInfo</a> for the thread. </td></tr>
	</table>
	</dd>
	</dl>
	<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success. <code>false</code> on failure with a message logged, if enabled. </dd></dl>

	</div>
	</div>
	<a id="a110b2dba5079e93ff13230b2f6a51e9c"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#a110b2dba5079e93ff13230b2f6a51e9c">◆ </a></span>Initialize()</h2>

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	<td class="memname">bool crashpad::Ptracer::Initialize </td>
	<td>(</td>
	<td class="paramtype">pid_t </td>
	<td class="paramname"><em>pid</em></td><td>)</td>
	<td></td>
	</tr>
	</table>
	</div><div class="memdoc">

	<p>Initializes this object to the bitness of the process whose process ID is <em>pid</em>. </p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramdir">[in]</td><td class="paramname">pid</td><td>The process ID of the process to initialize with. </td></tr>
	</table>
	</dd>
	</dl>
	<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success. <code>false</code> on failure with a message logged, if enabled. </dd></dl>

	</div>
	</div>
	<a id="ab5e3c4efe6d3a06ea6abdf60fec2747f"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#ab5e3c4efe6d3a06ea6abdf60fec2747f">◆ </a></span>ReadUpTo()</h2>

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	<td class="memname">ssize_t crashpad::Ptracer::ReadUpTo </td>
	<td>(</td>
	<td class="paramtype">pid_t </td>
	<td class="paramname"><em>pid</em>, </td>
	</tr>
	<tr>
	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype"><a class="el" href="namespacecrashpad.html#acb197256391fbfca91f9a7e5c911db45">LinuxVMAddress</a> </td>
	<td class="paramname"><em>address</em>, </td>
	</tr>
	<tr>
	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype">size_t </td>
	<td class="paramname"><em>size</em>, </td>
	</tr>
	<tr>
	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype">char * </td>
	<td class="paramname"><em>buffer</em> </td>
	</tr>
	<tr>
	<td></td>
	<td>)</td>
	<td></td><td></td>
	</tr>
	</table>
	</div><div class="memdoc">

	<p>Uses <code>ptrace</code> to read memory from the process with process ID <em>pid</em>, up to a maximum number of bytes. </p>
	<p>The target process should already be attached before calling this method. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classcrashpad_1_1ScopedPtraceAttach.html" title="Maintains a ptrace() attachment to a process.">ScopedPtraceAttach</a></dd></dl>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramdir">[in]</td><td class="paramname">pid</td><td>The process ID whose memory to read. </td></tr>
	<tr><td class="paramdir">[in]</td><td class="paramname">address</td><td>The base address of the region to read. </td></tr>
	<tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>The size of the memory region to read. <em>buffer</em> must be at least this size. </td></tr>
	<tr><td class="paramdir">[out]</td><td class="paramname">buffer</td><td>The buffer to fill with the data read. </td></tr>
	</table>
	</dd>
	</dl>
	<dl class="section return"><dt>Returns</dt><dd>the number of bytes read, 0 if there are no more bytes to read, or -1 on failure with a message logged if logging is enabled. </dd></dl>

	</div>
	</div>
	<hr/>The documentation for this class was generated from the following files:<ul>
	<li>util/linux/ptracer.h</li>
	<li>util/linux/ptracer.cc</li>
	</ul>
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