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<li class="navelem"><a class="el" href="namespacecrashpad.html">crashpad</a></li><li class="navelem"><a class="el" href="namespacecrashpad_1_1test.html">test</a></li><li class="navelem"><a class="el" href="classcrashpad_1_1test_1_1MachMultiprocess.html">MachMultiprocess</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a> &#124;
<a href="classcrashpad_1_1test_1_1MachMultiprocess-members.html">List of all members</a> </div>
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<div class="title">crashpad::test::MachMultiprocess Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>Manages a Mach-aware multiprocess test.
<a href="classcrashpad_1_1test_1_1MachMultiprocess.html#details">More...</a></p>
<p><code>#include &quot;test/mac/mach_multiprocess.h&quot;</code></p>
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Inheritance diagram for crashpad::test::MachMultiprocess:</div>
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<area href="classcrashpad_1_1test_1_1Multiprocess.html" title="Manages a multiprocess test." alt="crashpad::test::Multiprocess" shape="rect" coords="0,0,200,24"/>
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<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:aef111a5ac2a266f37aa906b556f6fb27"><td class="memItemLeft" align="right" valign="top"><a id="aef111a5ac2a266f37aa906b556f6fb27"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>Run</b> ()</td></tr>
<tr class="separator:aef111a5ac2a266f37aa906b556f6fb27"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classcrashpad_1_1test_1_1Multiprocess')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html">crashpad::test::Multiprocess</a></td></tr>
<tr class="memitem:a801aa7a78b2254c31c3ef7e0b24208e3 inherit pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#a801aa7a78b2254c31c3ef7e0b24208e3">Run</a> ()</td></tr>
<tr class="memdesc:a801aa7a78b2254c31c3ef7e0b24208e3 inherit pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="mdescLeft">&#160;</td><td class="mdescRight">Runs the test. <a href="classcrashpad_1_1test_1_1Multiprocess.html#a801aa7a78b2254c31c3ef7e0b24208e3">More...</a><br /></td></tr>
<tr class="separator:a801aa7a78b2254c31c3ef7e0b24208e3 inherit pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a564b4c38239fc991d17c865deaf3c9cf inherit pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#a564b4c38239fc991d17c865deaf3c9cf">SetExpectedChildTermination</a> (<a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#adedaaa5fbbb57de1ae5af8ef7c84b4bf">TerminationReason</a> reason, ReturnCodeType code)</td></tr>
<tr class="memdesc:a564b4c38239fc991d17c865deaf3c9cf inherit pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the expected termination reason and code. <a href="classcrashpad_1_1test_1_1Multiprocess.html#a564b4c38239fc991d17c865deaf3c9cf">More...</a><br /></td></tr>
<tr class="separator:a564b4c38239fc991d17c865deaf3c9cf inherit pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acc2bc24e4acfa5833936e0b7e97b91c8 inherit pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top"><a id="acc2bc24e4acfa5833936e0b7e97b91c8"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#acc2bc24e4acfa5833936e0b7e97b91c8">SetExpectedChildTerminationBuiltinTrap</a> ()</td></tr>
<tr class="memdesc:acc2bc24e4acfa5833936e0b7e97b91c8 inherit pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets termination reason and code appropriately for a child that terminates via <code>__builtin_trap()</code>. <br /></td></tr>
<tr class="separator:acc2bc24e4acfa5833936e0b7e97b91c8 inherit pub_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:aac4af4a4c943686538069de230fe7abe"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1MachMultiprocess.html#aac4af4a4c943686538069de230fe7abe">PreFork</a> () override</td></tr>
<tr class="memdesc:aac4af4a4c943686538069de230fe7abe"><td class="mdescLeft">&#160;</td><td class="mdescRight">Establishes the proper testing environment prior to forking. <a href="classcrashpad_1_1test_1_1MachMultiprocess.html#aac4af4a4c943686538069de230fe7abe">More...</a><br /></td></tr>
<tr class="separator:aac4af4a4c943686538069de230fe7abe"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad1784dd4a9159cdea51290fbc15db64b"><td class="memItemLeft" align="right" valign="top">mach_port_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1MachMultiprocess.html#ad1784dd4a9159cdea51290fbc15db64b">LocalPort</a> () const</td></tr>
<tr class="memdesc:ad1784dd4a9159cdea51290fbc15db64b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a receive right for the local port. <a href="classcrashpad_1_1test_1_1MachMultiprocess.html#ad1784dd4a9159cdea51290fbc15db64b">More...</a><br /></td></tr>
<tr class="separator:ad1784dd4a9159cdea51290fbc15db64b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:add2a0dc5532c41cf21eb835debd1fde7"><td class="memItemLeft" align="right" valign="top">mach_port_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1MachMultiprocess.html#add2a0dc5532c41cf21eb835debd1fde7">RemotePort</a> () const</td></tr>
<tr class="memdesc:add2a0dc5532c41cf21eb835debd1fde7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a send right for the remote port. <a href="classcrashpad_1_1test_1_1MachMultiprocess.html#add2a0dc5532c41cf21eb835debd1fde7">More...</a><br /></td></tr>
<tr class="separator:add2a0dc5532c41cf21eb835debd1fde7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aba3cd69b6d519adf870bbe7a31629459"><td class="memItemLeft" align="right" valign="top">task_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1MachMultiprocess.html#aba3cd69b6d519adf870bbe7a31629459">ChildTask</a> () const</td></tr>
<tr class="memdesc:aba3cd69b6d519adf870bbe7a31629459"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a send right for the child’s task port. <a href="classcrashpad_1_1test_1_1MachMultiprocess.html#aba3cd69b6d519adf870bbe7a31629459">More...</a><br /></td></tr>
<tr class="separator:aba3cd69b6d519adf870bbe7a31629459"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classcrashpad_1_1test_1_1Multiprocess')"><img src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html">crashpad::test::Multiprocess</a></td></tr>
<tr class="memitem:abff853ba6c2c4e88c4c759fccc287b94 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top">pid_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#abff853ba6c2c4e88c4c759fccc287b94">ChildPID</a> () const</td></tr>
<tr class="memdesc:abff853ba6c2c4e88c4c759fccc287b94 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the child process’&#160;process ID. <a href="classcrashpad_1_1test_1_1Multiprocess.html#abff853ba6c2c4e88c4c759fccc287b94">More...</a><br /></td></tr>
<tr class="separator:abff853ba6c2c4e88c4c759fccc287b94 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a208b33d3006abfd8e024430c510aa117 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacecrashpad.html#a07f8e33c4fdeba3783277f9f2563e48a">FileHandle</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#a208b33d3006abfd8e024430c510aa117">ReadPipeHandle</a> () const</td></tr>
<tr class="memdesc:a208b33d3006abfd8e024430c510aa117 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the read pipe’s file handle. <a href="classcrashpad_1_1test_1_1Multiprocess.html#a208b33d3006abfd8e024430c510aa117">More...</a><br /></td></tr>
<tr class="separator:a208b33d3006abfd8e024430c510aa117 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab1ecd18814f4be49eedfe1dc076e1500 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacecrashpad.html#a07f8e33c4fdeba3783277f9f2563e48a">FileHandle</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#ab1ecd18814f4be49eedfe1dc076e1500">WritePipeHandle</a> () const</td></tr>
<tr class="memdesc:ab1ecd18814f4be49eedfe1dc076e1500 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the write pipe’s file handle. <a href="classcrashpad_1_1test_1_1Multiprocess.html#ab1ecd18814f4be49eedfe1dc076e1500">More...</a><br /></td></tr>
<tr class="separator:ab1ecd18814f4be49eedfe1dc076e1500 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a89ec1079c25eca71250ff3ccf8ec2b72 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#a89ec1079c25eca71250ff3ccf8ec2b72">CloseReadPipe</a> ()</td></tr>
<tr class="memdesc:a89ec1079c25eca71250ff3ccf8ec2b72 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="mdescLeft">&#160;</td><td class="mdescRight">Closes the read pipe. <a href="classcrashpad_1_1test_1_1Multiprocess.html#a89ec1079c25eca71250ff3ccf8ec2b72">More...</a><br /></td></tr>
<tr class="separator:a89ec1079c25eca71250ff3ccf8ec2b72 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9d7a2037501f89d4d8aa3099285b7ae9 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#a9d7a2037501f89d4d8aa3099285b7ae9">CloseWritePipe</a> ()</td></tr>
<tr class="memdesc:a9d7a2037501f89d4d8aa3099285b7ae9 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="mdescLeft">&#160;</td><td class="mdescRight">Closes the write pipe. <a href="classcrashpad_1_1test_1_1Multiprocess.html#a9d7a2037501f89d4d8aa3099285b7ae9">More...</a><br /></td></tr>
<tr class="separator:a9d7a2037501f89d4d8aa3099285b7ae9 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af170901b8c26c3c24fc82419df305e1c inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top"><a id="af170901b8c26c3c24fc82419df305e1c"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>set_info</b> (<a class="el" href="structcrashpad_1_1test_1_1internal_1_1MultiprocessInfo.html">internal::MultiprocessInfo</a> *info)</td></tr>
<tr class="separator:af170901b8c26c3c24fc82419df305e1c inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a21d17479b00152c3511de0b6d87c8727 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top"><a id="a21d17479b00152c3511de0b6d87c8727"></a>
<a class="el" href="structcrashpad_1_1test_1_1internal_1_1MultiprocessInfo.html">internal::MultiprocessInfo</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>info</b> ()</td></tr>
<tr class="separator:a21d17479b00152c3511de0b6d87c8727 inherit pro_methods_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classcrashpad_1_1test_1_1Multiprocess"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classcrashpad_1_1test_1_1Multiprocess')"><img src="closed.png" alt="-"/>&#160;Public Types inherited from <a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html">crashpad::test::Multiprocess</a></td></tr>
<tr class="memitem:adedaaa5fbbb57de1ae5af8ef7c84b4bf inherit pub_types_classcrashpad_1_1test_1_1Multiprocess"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#adedaaa5fbbb57de1ae5af8ef7c84b4bf">TerminationReason</a> : bool </td></tr>
<tr class="memdesc:adedaaa5fbbb57de1ae5af8ef7c84b4bf"><td class="mdescLeft">&#160;</td><td class="mdescRight">The termination type for a child process. <a href="classcrashpad_1_1test_1_1Multiprocess.html#adedaaa5fbbb57de1ae5af8ef7c84b4bf">More...</a><br /></td></tr>
<tr class="separator:adedaaa5fbbb57de1ae5af8ef7c84b4bf inherit pub_types_classcrashpad_1_1test_1_1Multiprocess"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Manages a Mach-aware multiprocess test. </p>
<p>This is similar to the base <a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html" title="Manages a multiprocess test.">Multiprocess</a> test, but adds Mach features. The parent process has access to the child process’ task port. The parent and child processes are able to communicate via Mach IPC: each process has a receive right to its “local port” and a send right to a “remote port”, and messages sent to the remote port in one process can be received on the local port in the partner process.</p>
<p>Subclasses are expected to implement the parent and child by overriding the appropriate methods. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="aba3cd69b6d519adf870bbe7a31629459"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aba3cd69b6d519adf870bbe7a31629459">&#9670;&nbsp;</a></span>ChildTask()</h2>
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<td class="memname">task_t crashpad::test::MachMultiprocess::ChildTask </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Returns a send right for the child’s task port. </p>
<p>This method may only be called by the parent process. </p>
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</div>
<a id="ad1784dd4a9159cdea51290fbc15db64b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad1784dd4a9159cdea51290fbc15db64b">&#9670;&nbsp;</a></span>LocalPort()</h2>
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<td class="memname">mach_port_t crashpad::test::MachMultiprocess::LocalPort </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Returns a receive right for the local port. </p>
<p>This method may be called by either the parent or the child process. It returns a receive right, with a corresponding send right held in the opposing process. </p>
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<a id="aac4af4a4c943686538069de230fe7abe"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aac4af4a4c943686538069de230fe7abe">&#9670;&nbsp;</a></span>PreFork()</h2>
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<td class="memname">void crashpad::test::MachMultiprocess::PreFork </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Establishes the proper testing environment prior to forking. </p>
<p>Subclasses that solely implement a test should not need to override this method. Subclasses that do not implement tests but instead implement additional testing features on top of this class may override this method provided that they call the superclass’ implementation first as follows:</p>
<div class="fragment"><div class="line"><span class="keywordtype">void</span> <a class="code" href="classcrashpad_1_1test_1_1MachMultiprocess.html#aac4af4a4c943686538069de230fe7abe">PreFork</a>()<span class="keyword"> override </span>{</div>
<div class="line"> ASSERT_NO_FATAL_FAILURE(<a class="code" href="classcrashpad_1_1test_1_1Multiprocess.html#a122d18401346cf600a4f6ab63d83c8ca">Multiprocess::PreFork</a>());</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// Place subclass-specific pre-fork code here.</span></div>
<div class="line">}</div>
</div><!-- fragment --><p>Subclass implementations may signal failure by raising their own fatal gtest assertions. </p>
<p>Reimplemented from <a class="el" href="classcrashpad_1_1test_1_1Multiprocess.html#a122d18401346cf600a4f6ab63d83c8ca">crashpad::test::Multiprocess</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#add2a0dc5532c41cf21eb835debd1fde7">&#9670;&nbsp;</a></span>RemotePort()</h2>
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<td class="memname">mach_port_t crashpad::test::MachMultiprocess::RemotePort </td>
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<p>Returns a send right for the remote port. </p>
<p>This method may be called by either the parent or the child process. It returns a send right, with the corresponding receive right held in the opposing process. </p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>test/mac/mach_multiprocess.h</li>
<li>test/mac/mach_multiprocess.cc</li>
</ul>
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<div class="ttc" id="aclasscrashpad_1_1test_1_1MachMultiprocess_html_aac4af4a4c943686538069de230fe7abe"><div class="ttname"><a href="classcrashpad_1_1test_1_1MachMultiprocess.html#aac4af4a4c943686538069de230fe7abe">crashpad::test::MachMultiprocess::PreFork</a></div><div class="ttdeci">void PreFork() override</div><div class="ttdoc">Establishes the proper testing environment prior to forking.</div><div class="ttdef"><b>Definition:</b> mach_multiprocess.cc:90</div></div>
<div class="ttc" id="aclasscrashpad_1_1test_1_1Multiprocess_html_a122d18401346cf600a4f6ab63d83c8ca"><div class="ttname"><a href="classcrashpad_1_1test_1_1Multiprocess.html#a122d18401346cf600a4f6ab63d83c8ca">crashpad::test::Multiprocess::PreFork</a></div><div class="ttdeci">virtual void PreFork()</div><div class="ttdoc">Establishes the proper testing environment prior to forking.</div><div class="ttdef"><b>Definition:</b> multiprocess_posix.cc:175</div></div>
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