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<h1 class="topictitle1">thread::id</h1>
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<div class="section"><h2 class="sectiontitle">Summary</h2>
<p>Unique identifier for a thread.</p>
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<div class="section"><h2 class="sectiontitle">Syntax</h2>
<pre>class thread::id;</pre>
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<div class="section"><h2 class="sectiontitle">Header</h2>
<pre>#include "tbb/compat/thread"</pre>
</div>
<div class="section"><h2 class="sectiontitle">Description</h2>
<p>A <samp class="codeph">thread::id</samp> is an identifier value for a thread that remains unique over the thread's lifetime. A special value <samp class="codeph">thread::id()</samp> represents no thread of execution. The instances are totally ordered. </p>
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<div class="section"><h2 class="sectiontitle">Members</h2>
<pre>namespace tbb {
class thread::id {
public:
id();
};
template<typename charT, typename traits>
std::basic_ostream<charT, traits>&
operator<< (std::basic_ostream<charT, traits> &out,
thread::id id)
bool operator==(thread::id x, thread::id y);
bool operator!=(thread::id x, thread::id y);
bool operator<(thread::id x, thread::id y);
bool operator<=(thread::id x, thread::id y);
bool operator>(thread::id x, thread::id y);
bool operator>=(thread::id x, thread::id y);
} // namespace tbb</pre></div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="../../reference/threads.htm">Threads</a></div>
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