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update RELEASE_NOTES

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Michael Davidsaver
2019-09-09 16:56:28 -07:00
parent 75a1b82322
commit 77574022a1
1 changed files with 12 additions and 0 deletions
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documentation/RELEASE_NOTES.html
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@@ -16,6 +16,18 @@
<!-- Insert new items immediately below here ... -->
<h3>Add option to avoid CALLBACK conflict</h3>
<p>If a macro EPICS_NO_CALLBACK is defined, then callback.h will no longer (re)define CALLBACK.
The name 'CALLBACK' is used by the WIN32 API, and redefinition in callback.h cause errors
if some windows headers are later included.
</p>
<p>Code which defines EPICS_NO_CALLBACK, but still wishes to use callbacks, should use
the alternate name 'epicsCallback' introduced in 3.15.6, 3.16.2, and 7.0.2.
It is also possible, though not encouraged, to use 'struct callbackPvt'
which has been present since the callback API was introduced.</p>
<h3>Cleaning up with Multiple CA contexts in a Process</h3>
<p>Bruno Martins reported a problem with the CA client library at shutdown in a