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ICU-72 Documentation update

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Helena Chapman 1999-10-28 18:06:45 +00:00
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icu4c/docs/mutex.html
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@ -57,6 +57,18 @@ necessary, however time spent inside the mutex is then minimized. </p>
<p>Developers implementing the Mutex are not required to provide reentrant-safe
implementations. </p>
<h3>Using collators in multi-threaded environment</h3>
<p>Instances of Collator class are meant to be used on per thread basis. Although it is
possible to have multiple threads access one Collator there is no guarante that such a
construct will work, especially if number of threads grows over 10. There are no
limitations on number of threads if each thread creates its own separate instance of
Collator class.</p>
<p>Test results have shown that case with 50 threads accessing 1 collator fails with a
crash after 20 threads are reached. However, a test with 50 threads creating separate
instances works well.</p>
<h3>Implementations</h3>
<p>On Win32 platforms, a reentrant mutex is most naturally implemented on top of a