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  <div class="summary">
<a href="#pub-types">Public Types</a> &#124;
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  <div class="headertitle">
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<p>Launches and monitors a child process.  
 <a href="classChildProcess.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a9e7be158550b4d2a470e4cceef501892"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892">StreamFlags</a> { <a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892abb52a8d118b221d35bc924efb9f48573">wantStdOut</a> = 1, 
<a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892a99e96160b71df9cd65473f410ac7090e">wantStdErr</a> = 2
 }<tr class="memdesc:a9e7be158550b4d2a470e4cceef501892"><td class="mdescLeft">&#160;</td><td class="mdescRight">These flags are used by the <a class="el" href="classChildProcess.html#aa5e6f939a0f0c3e87bd7c58dcec9f13c" title="Attempts to launch a child process command. ">start()</a> methods.  <a href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892">More...</a><br /></td></tr>
</td></tr>
<tr class="separator:a9e7be158550b4d2a470e4cceef501892"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><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:a7a3ac50868578dc8b65203e4ccfb8038"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#a7a3ac50868578dc8b65203e4ccfb8038">ChildProcess</a> ()</td></tr>
<tr class="memdesc:a7a3ac50868578dc8b65203e4ccfb8038"><td class="mdescLeft">&#160;</td><td class="mdescRight">Creates a process object.  <a href="#a7a3ac50868578dc8b65203e4ccfb8038">More...</a><br /></td></tr>
<tr class="separator:a7a3ac50868578dc8b65203e4ccfb8038"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3749642d15c9fce912f9e7f9daaf52f0"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#a3749642d15c9fce912f9e7f9daaf52f0">~ChildProcess</a> ()</td></tr>
<tr class="memdesc:a3749642d15c9fce912f9e7f9daaf52f0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <a href="#a3749642d15c9fce912f9e7f9daaf52f0">More...</a><br /></td></tr>
<tr class="separator:a3749642d15c9fce912f9e7f9daaf52f0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa5e6f939a0f0c3e87bd7c58dcec9f13c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#aa5e6f939a0f0c3e87bd7c58dcec9f13c">start</a> (const <a class="el" href="classString.html">String</a> &amp;command, int streamFlags=<a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892abb52a8d118b221d35bc924efb9f48573">wantStdOut</a>|<a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892a99e96160b71df9cd65473f410ac7090e">wantStdErr</a>)</td></tr>
<tr class="memdesc:aa5e6f939a0f0c3e87bd7c58dcec9f13c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attempts to launch a child process command.  <a href="#aa5e6f939a0f0c3e87bd7c58dcec9f13c">More...</a><br /></td></tr>
<tr class="separator:aa5e6f939a0f0c3e87bd7c58dcec9f13c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae1b54ec34a8fa09e679aed90c167cb64"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#ae1b54ec34a8fa09e679aed90c167cb64">start</a> (const <a class="el" href="classStringArray.html">StringArray</a> &amp;arguments, int streamFlags=<a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892abb52a8d118b221d35bc924efb9f48573">wantStdOut</a>|<a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892a99e96160b71df9cd65473f410ac7090e">wantStdErr</a>)</td></tr>
<tr class="memdesc:ae1b54ec34a8fa09e679aed90c167cb64"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attempts to launch a child process command.  <a href="#ae1b54ec34a8fa09e679aed90c167cb64">More...</a><br /></td></tr>
<tr class="separator:ae1b54ec34a8fa09e679aed90c167cb64"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a283a92893590cd8fc199933c0d691670"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#a283a92893590cd8fc199933c0d691670">isRunning</a> () const</td></tr>
<tr class="memdesc:a283a92893590cd8fc199933c0d691670"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if the child process is alive.  <a href="#a283a92893590cd8fc199933c0d691670">More...</a><br /></td></tr>
<tr class="separator:a283a92893590cd8fc199933c0d691670"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af6f8f31a8c86fadeba06b8be21e94e30"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#af6f8f31a8c86fadeba06b8be21e94e30">readProcessOutput</a> (void *destBuffer, int numBytesToRead)</td></tr>
<tr class="memdesc:af6f8f31a8c86fadeba06b8be21e94e30"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attempts to read some output from the child process.  <a href="#af6f8f31a8c86fadeba06b8be21e94e30">More...</a><br /></td></tr>
<tr class="separator:af6f8f31a8c86fadeba06b8be21e94e30"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae91e215618cd1861c2e2ca13e5f4166e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classString.html">String</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#ae91e215618cd1861c2e2ca13e5f4166e">readAllProcessOutput</a> ()</td></tr>
<tr class="memdesc:ae91e215618cd1861c2e2ca13e5f4166e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Blocks until the process has finished, and then returns its complete output as a string.  <a href="#ae91e215618cd1861c2e2ca13e5f4166e">More...</a><br /></td></tr>
<tr class="separator:ae91e215618cd1861c2e2ca13e5f4166e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a767ec1edb651a654ef217a0f5f4f29d8"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#a767ec1edb651a654ef217a0f5f4f29d8">waitForProcessToFinish</a> (int timeoutMs) const</td></tr>
<tr class="memdesc:a767ec1edb651a654ef217a0f5f4f29d8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Blocks until the process is no longer running.  <a href="#a767ec1edb651a654ef217a0f5f4f29d8">More...</a><br /></td></tr>
<tr class="separator:a767ec1edb651a654ef217a0f5f4f29d8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acbafc3e15c0abdb2bd6a5f9e45a2f620"><td class="memItemLeft" align="right" valign="top"><a class="el" href="juce__MathsFunctions_8h.html#a1134b580f8da4de94ca6b1de4d37975e">uint32</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#acbafc3e15c0abdb2bd6a5f9e45a2f620">getExitCode</a> () const</td></tr>
<tr class="memdesc:acbafc3e15c0abdb2bd6a5f9e45a2f620"><td class="mdescLeft">&#160;</td><td class="mdescRight">If the process has finished, this returns its exit code.  <a href="#acbafc3e15c0abdb2bd6a5f9e45a2f620">More...</a><br /></td></tr>
<tr class="separator:acbafc3e15c0abdb2bd6a5f9e45a2f620"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a524fd75e18a0aa94a8518ce49432413c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChildProcess.html#a524fd75e18a0aa94a8518ce49432413c">kill</a> ()</td></tr>
<tr class="memdesc:a524fd75e18a0aa94a8518ce49432413c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attempts to kill the child process.  <a href="#a524fd75e18a0aa94a8518ce49432413c">More...</a><br /></td></tr>
<tr class="separator:a524fd75e18a0aa94a8518ce49432413c"><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>Launches and monitors a child process. </p>
<p>This class lets you launch an executable, and read its output. You can also use it to check whether the child process has finished. </p>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
<a id="a9e7be158550b4d2a470e4cceef501892"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9e7be158550b4d2a470e4cceef501892">&sect;&nbsp;</a></span>StreamFlags</h2>

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<div class="memproto">
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          <td class="memname">enum <a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892">ChildProcess::StreamFlags</a></td>
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      </table>
</div><div class="memdoc">

<p>These flags are used by the <a class="el" href="classChildProcess.html#aa5e6f939a0f0c3e87bd7c58dcec9f13c" title="Attempts to launch a child process command. ">start()</a> methods. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a9e7be158550b4d2a470e4cceef501892abb52a8d118b221d35bc924efb9f48573"></a>wantStdOut&#160;</td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="a9e7be158550b4d2a470e4cceef501892a99e96160b71df9cd65473f410ac7090e"></a>wantStdErr&#160;</td><td class="fielddoc"></td></tr>
</table>

</div>
</div>
<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a7a3ac50868578dc8b65203e4ccfb8038"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7a3ac50868578dc8b65203e4ccfb8038">&sect;&nbsp;</a></span>ChildProcess()</h2>

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          <td class="memname">ChildProcess::ChildProcess </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
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<p>Creates a process object. </p>
<p>To actually launch the process, use <a class="el" href="classChildProcess.html#aa5e6f939a0f0c3e87bd7c58dcec9f13c" title="Attempts to launch a child process command. ">start()</a>. </p>

</div>
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<a id="a3749642d15c9fce912f9e7f9daaf52f0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3749642d15c9fce912f9e7f9daaf52f0">&sect;&nbsp;</a></span>~ChildProcess()</h2>

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          <td class="memname">ChildProcess::~ChildProcess </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<p>Destructor. </p>
<p>Note that deleting this object won't terminate the child process. </p>

</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="aa5e6f939a0f0c3e87bd7c58dcec9f13c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa5e6f939a0f0c3e87bd7c58dcec9f13c">&sect;&nbsp;</a></span>start() <span class="overload">[1/2]</span></h2>

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          <td class="memname">bool ChildProcess::start </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classString.html">String</a> &amp;&#160;</td>
          <td class="paramname"><em>command</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>streamFlags</em> = <code><a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892abb52a8d118b221d35bc924efb9f48573">wantStdOut</a>|<a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892a99e96160b71df9cd65473f410ac7090e">wantStdErr</a></code>&#160;</td>
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<p>Attempts to launch a child process command. </p>
<p>The command should be the name of the executable file, followed by any arguments that are required. If the process has already been launched, this will launch it again. If a problem occurs, the method will return false. The streamFlags is a combinations of values to indicate which of the child's output streams should be read and returned by <a class="el" href="classChildProcess.html#af6f8f31a8c86fadeba06b8be21e94e30" title="Attempts to read some output from the child process. ">readProcessOutput()</a>. </p>

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<a id="ae1b54ec34a8fa09e679aed90c167cb64"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae1b54ec34a8fa09e679aed90c167cb64">&sect;&nbsp;</a></span>start() <span class="overload">[2/2]</span></h2>

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          <td class="memname">bool ChildProcess::start </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classStringArray.html">StringArray</a> &amp;&#160;</td>
          <td class="paramname"><em>arguments</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>streamFlags</em> = <code><a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892abb52a8d118b221d35bc924efb9f48573">wantStdOut</a>|<a class="el" href="classChildProcess.html#a9e7be158550b4d2a470e4cceef501892a99e96160b71df9cd65473f410ac7090e">wantStdErr</a></code>&#160;</td>
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          <td></td>
          <td>)</td>
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<p>Attempts to launch a child process command. </p>
<p>The first argument should be the name of the executable file, followed by any other arguments that are needed. If the process has already been launched, this will launch it again. If a problem occurs, the method will return false. The streamFlags is a combinations of values to indicate which of the child's output streams should be read and returned by <a class="el" href="classChildProcess.html#af6f8f31a8c86fadeba06b8be21e94e30" title="Attempts to read some output from the child process. ">readProcessOutput()</a>. </p>

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<a id="a283a92893590cd8fc199933c0d691670"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a283a92893590cd8fc199933c0d691670">&sect;&nbsp;</a></span>isRunning()</h2>

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          <td class="memname">bool ChildProcess::isRunning </td>
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<p>Returns true if the child process is alive. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#af6f8f31a8c86fadeba06b8be21e94e30">&sect;&nbsp;</a></span>readProcessOutput()</h2>

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          <td class="paramname"><em>numBytesToRead</em>&#160;</td>
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<p>Attempts to read some output from the child process. </p>
<p>This will attempt to read up to the given number of bytes of data from the process. It returns the number of bytes that were actually read. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ae91e215618cd1861c2e2ca13e5f4166e">&sect;&nbsp;</a></span>readAllProcessOutput()</h2>

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          <td class="memname"><a class="el" href="classString.html">String</a> ChildProcess::readAllProcessOutput </td>
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<p>Blocks until the process has finished, and then returns its complete output as a string. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a767ec1edb651a654ef217a0f5f4f29d8">&sect;&nbsp;</a></span>waitForProcessToFinish()</h2>

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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>timeoutMs</em></td><td>)</td>
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<p>Blocks until the process is no longer running. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#acbafc3e15c0abdb2bd6a5f9e45a2f620">&sect;&nbsp;</a></span>getExitCode()</h2>

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          <td class="memname"><a class="el" href="juce__MathsFunctions_8h.html#a1134b580f8da4de94ca6b1de4d37975e">uint32</a> ChildProcess::getExitCode </td>
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<p>If the process has finished, this returns its exit code. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a524fd75e18a0aa94a8518ce49432413c">&sect;&nbsp;</a></span>kill()</h2>

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          <td class="memname">bool ChildProcess::kill </td>
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<p>Attempts to kill the child process. </p>
<p>Returns true if it succeeded. Trying to read from the process after calling this may result in undefined behaviour. </p>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="juce__ChildProcess_8h.html">juce_ChildProcess.h</a></li>
</ul>
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