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<title>Crashpad: crashpad::Ptracer Class Reference</title>
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<ul>
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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="summary">
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="classcrashpad_1_1Ptracer-members.html">List of all members</a> </div>
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<div class="title">crashpad::Ptracer Class Reference</div> </div>
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<div class="contents">
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<p>Provides an architecturally agnostic interface for collecting information with <code>ptrace</code>.
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<a href="classcrashpad_1_1Ptracer.html#details">More...</a></p>
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<p><code>#include "util/linux/ptracer.h"</code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:aa293306ec2502ca6129beb24781770a5"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#aa293306ec2502ca6129beb24781770a5">Ptracer</a> (bool is_64_bit)</td></tr>
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<tr class="memdesc:aa293306ec2502ca6129beb24781770a5"><td class="mdescLeft"> </td><td class="mdescRight">Constructs this object with a pre-determined bitness. <a href="#aa293306ec2502ca6129beb24781770a5">More...</a><br /></td></tr>
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<tr class="separator:aa293306ec2502ca6129beb24781770a5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9440335d60e4c6c7892fefab971fb691"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#a9440335d60e4c6c7892fefab971fb691">Ptracer</a> ()</td></tr>
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<tr class="memdesc:a9440335d60e4c6c7892fefab971fb691"><td class="mdescLeft"> </td><td class="mdescRight">Constructs this object without a pre-determined bitness. <a href="#a9440335d60e4c6c7892fefab971fb691">More...</a><br /></td></tr>
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<tr class="separator:a9440335d60e4c6c7892fefab971fb691"><td class="memSeparator" colspan="2"> </td></tr>
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<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>
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<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="#a110b2dba5079e93ff13230b2f6a51e9c">More...</a><br /></td></tr>
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<tr class="memitem:a099fd87be8696988f4f54072b0aad564"><td class="memItemLeft" align="right" valign="top"><a id="a099fd87be8696988f4f54072b0aad564"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1Ptracer.html#a099fd87be8696988f4f54072b0aad564">Is64Bit</a> ()</td></tr>
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<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>
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<tr class="separator:a099fd87be8696988f4f54072b0aad564"><td class="memSeparator" colspan="2"> </td></tr>
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<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>
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<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="#ae6b7f81ee593a72d38789e890f5abd1d">More...</a><br /></td></tr>
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<tr class="separator:ae6b7f81ee593a72d38789e890f5abd1d"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Provides an architecturally agnostic interface for collecting information with <code>ptrace</code>. </p>
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<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>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="aa293306ec2502ca6129beb24781770a5"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#aa293306ec2502ca6129beb24781770a5">◆ </a></span>Ptracer() <span class="overload">[1/2]</span></h2>
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<td class="memname">crashpad::Ptracer::Ptracer </td>
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<td>(</td>
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<td class="paramtype">bool </td>
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<td class="paramname"><em>is_64_bit</em></td><td>)</td>
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<td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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<p>Constructs this object with a pre-determined bitness. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<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>
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<a id="a9440335d60e4c6c7892fefab971fb691"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a9440335d60e4c6c7892fefab971fb691">◆ </a></span>Ptracer() <span class="overload">[2/2]</span></h2>
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<div class="memitem">
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<td class="memname">crashpad::Ptracer::Ptracer </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Constructs this object without a pre-determined bitness. </p>
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<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>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a id="ae6b7f81ee593a72d38789e890f5abd1d"></a>
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<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>
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<td>(</td>
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<td class="paramtype">pid_t </td>
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<td class="paramname"><em>tid</em>, </td>
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<td class="paramtype"><a class="el" href="structcrashpad_1_1ThreadInfo.html">ThreadInfo</a> * </td>
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<td class="paramname"><em>info</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<p>Uses <code>ptrace</code> to collect information about the thread with thread ID <em>tid</em>. </p>
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<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>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">tid</td><td>The thread ID of the thread to collect information for. </td></tr>
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<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>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success. <code>false</code> on failure with a message logged. </dd></dl>
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</div>
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<a id="a110b2dba5079e93ff13230b2f6a51e9c"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a110b2dba5079e93ff13230b2f6a51e9c">◆ </a></span>Initialize()</h2>
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<div class="memitem">
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<td class="memname">bool crashpad::Ptracer::Initialize </td>
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<td>(</td>
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<td class="paramtype">pid_t </td>
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<td class="paramname"><em>pid</em></td><td>)</td>
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<td></td>
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</table>
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<p>Initializes this object to the bitness of the process whose process ID is <em>pid</em>. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">pid</td><td>The process ID of the process to initialize with. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> on success. <code>false</code> on failure with a message logged. </dd></dl>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>util/linux/ptracer.h</li>
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<li>util/linux/ptracer.cc</li>
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