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<h3 class="section" id="Process_002c-Group_002c-and-User-IDs"><span>36.6 Process, Group, and User IDs<a class="copiable-link" href="#Process_002c-Group_002c-and-User-IDs"> ¶</a></span></h3>
<a class="anchor" id="XREFgetpgrp"></a><span style="display:block; margin-top:-4.5ex;"> </span>
<dl class="first-deftypefn">
<dt class="deftypefn" id="index-getpgrp"><span><code class="def-type">pgid =</code> <strong class="def-name">getpgrp</strong> <code class="def-code-arguments">()</code><a class="copiable-link" href="#index-getpgrp"> ¶</a></span></dt>
<dd><p>Return the process group id of the current process.
</p></dd></dl>
<a class="anchor" id="XREFgetpid"></a><span style="display:block; margin-top:-4.5ex;"> </span>
<dl class="first-deftypefn">
<dt class="deftypefn" id="index-getpid"><span><code class="def-type">pid =</code> <strong class="def-name">getpid</strong> <code class="def-code-arguments">()</code><a class="copiable-link" href="#index-getpid"> ¶</a></span></dt>
<dd><p>Return the process id of the current process.
</p>
<p><strong class="strong">See also:</strong> <a class="ref" href="#XREFgetppid">getppid</a>.
</p></dd></dl>
<a class="anchor" id="XREFgetppid"></a><span style="display:block; margin-top:-4.5ex;"> </span>
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<dt class="deftypefn" id="index-getppid"><span><code class="def-type">pid =</code> <strong class="def-name">getppid</strong> <code class="def-code-arguments">()</code><a class="copiable-link" href="#index-getppid"> ¶</a></span></dt>
<dd><p>Return the process id of the parent process.
</p>
<p><strong class="strong">See also:</strong> <a class="ref" href="#XREFgetpid">getpid</a>.
</p></dd></dl>
<a class="anchor" id="XREFgeteuid"></a><span style="display:block; margin-top:-4.5ex;"> </span>
<dl class="first-deftypefn">
<dt class="deftypefn" id="index-geteuid"><span><code class="def-type">euid =</code> <strong class="def-name">geteuid</strong> <code class="def-code-arguments">()</code><a class="copiable-link" href="#index-geteuid"> ¶</a></span></dt>
<dd><p>Return the effective user id of the current process.
</p>
<p><strong class="strong">See also:</strong> <a class="ref" href="#XREFgetuid">getuid</a>.
</p></dd></dl>
<a class="anchor" id="XREFgetuid"></a><span style="display:block; margin-top:-4.5ex;"> </span>
<dl class="first-deftypefn">
<dt class="deftypefn" id="index-getuid"><span><code class="def-type">uid =</code> <strong class="def-name">getuid</strong> <code class="def-code-arguments">()</code><a class="copiable-link" href="#index-getuid"> ¶</a></span></dt>
<dd><p>Return the real user id of the current process.
</p>
<p><strong class="strong">See also:</strong> <a class="ref" href="#XREFgeteuid">geteuid</a>.
</p></dd></dl>
<a class="anchor" id="XREFgetegid"></a><span style="display:block; margin-top:-4.5ex;"> </span>
<dl class="first-deftypefn">
<dt class="deftypefn" id="index-getegid"><span><code class="def-type">egid =</code> <strong class="def-name">getegid</strong> <code class="def-code-arguments">()</code><a class="copiable-link" href="#index-getegid"> ¶</a></span></dt>
<dd><p>Return the effective group id of the current process.
</p>
<p><strong class="strong">See also:</strong> <a class="ref" href="#XREFgetgid">getgid</a>.
</p></dd></dl>
<a class="anchor" id="XREFgetgid"></a><span style="display:block; margin-top:-4.5ex;"> </span>
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<dt class="deftypefn" id="index-getgid"><span><code class="def-type">gid =</code> <strong class="def-name">getgid</strong> <code class="def-code-arguments">()</code><a class="copiable-link" href="#index-getgid"> ¶</a></span></dt>
<dd><p>Return the real group id of the current process.
</p>
<p><strong class="strong">See also:</strong> <a class="ref" href="#XREFgetegid">getegid</a>.
</p></dd></dl>
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