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R3.14.9-rc
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R3.14.9
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919850d693 | ||
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894cab79e4 | ||
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b38dd45b03 |
@@ -29,8 +29,8 @@ EPICS_MODIFICATION = 9
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EPICS_PATCH_LEVEL = 0
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# This will be -CVS or empty at an official release point
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EPICS_CVS_SNAPSHOT=-RC1
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#EPICS_CVS_SNAPSHOT=
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#EPICS_CVS_SNAPSHOT=-CVS
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EPICS_CVS_SNAPSHOT=
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# No changes should be needed below here
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@@ -14,16 +14,23 @@
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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 any CA client or IOC on a recent version of GNU/Linux
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(one that includes the NPTL threading library) the following message may
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appear, possibly preceeded by a message about a thread terminating due to a
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C++ exception:
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<blockquote><pre>FATAL: exception not rethrown</pre></blockquote>
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An <tt>Abort</tt> message and a core-dump may also be generated if the
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user's settings allow this. The error is caused by the implementation of the
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pthread_cancel() mechanism in NPTL, which uses the C++ exception mechanism
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without providing any means to distinguish the cancel exception to regular
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C++ exception handlers.</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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