38 lines
1.4 KiB
HTML
38 lines
1.4 KiB
HTML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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<title>Known Problems R3.14.x</title>
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<meta name="GENERATOR" content="amaya 5.1" />
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</head>
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<body>
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<h1 style="text-align: center">EPICS Base R3.14.9: Known Problems</h1>
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<ul>
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<li>It is not possible to build this version of base on HP-UX due to C++
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issues which appear to be bugs in the HP-UX compiler.</li>
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<li>When shutting down an IOC on a recent version of GNU/Linux (one that
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includes the NPTL threading library) various messages may appear, such as:
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<blockquote>
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<pre>FATAL: exception not rethrown</pre></blockquote>
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<blockquote>
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<pre>epicsThread: Unknown C++ exception in thread "CAC-UDP" at ...</pre>
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<pre>terminate called after throwing an instance of ''</pre>
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</blockquote>
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These errors are caused by the implementation of the pthread_cancel()
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mechanism in NPTL, which uses the C++ exception mechanism without providing
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any means to distinguish the cancel exception to regular C++ exception
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handlers. It is possible that they might also occur when a CA client
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application exits (or closes its connection to the CA library).</li>
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</ul>
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</body>
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</html>
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