285 lines
6.6 KiB
HTML
285 lines
6.6 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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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>EPICS Base R3.15.0.x Release Notes</title>
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</head>
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<body lang="en">
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<h1 align="center">EPICS Base Release 3.15.0.x</h1>
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<p>
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EPICS Base 3.15.0.x releases are not intended for use in production systems.</p>
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<h2 align="center">Changes between 3.14.x and 3.15.0.x</h2>
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<!-- Insert new items immediately below here ... -->
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<h3>
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Reworked the epicsEvent C & C++ APIs</h3>
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<ul>
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<li>Renamed the enum epicsEventWaitStatus to epicsEventStatus</li>
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<li>Defined epicsEventWaitStatus as a macro for epicsEventStatus</li>
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<li>Renamed epicsEventWaitOk to epicsEventOk</li>
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<li>Renamed epicsEventWaitError to epicsEventError</li>
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<li>Defined epicsEventWaitOK and epicsEventWaitError as macros</li>
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<li>Added epicsEventTrigger(id) which triggers an event and returns OK or an
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error status if the underlying OS primitives report an error</li>
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<li>Added epicsEventMustTrigger(id) which halts on error</li>
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<li>Defined epicsEventSignal(id) as a macro for epicsEventMustTrigger(id)</li>
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<li>Added a new C++ method epicsEvent::trigger() which throws an
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epicsEvent::invalidSemaphore in the event of an error</li>
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<li>epicsEvent::signal() makes an inline call to epicsEvent::trigger()</li>
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<li>epicsEventWait() and epicsEventWaitWithTimeout() now return an error
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status if the underlying OS primitives report an error</li>
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<li>All the epicsEventMust...() routines are now implemented in the common
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libCom/osi/epicsEvent.cpp source file, and call cantProceed() instead of
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mis-using assert()</li>
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<li>Implemented epicsEventShow() on Posix</li>
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<li>Win32: Removed all epicsShareAPI decorations</li>
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</ul>
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<h3>
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Enabled histogram record type</h3>
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<p>
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The histogram record was not included in the base.dbd file in any 3.14 release,
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but has now been added along with its associated soft device support. The build
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system now generates the list of all the record.dbd files in base automatically
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in src/std/rec/Makefile.</p>
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<h3>
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Reorganization of src/</h3>
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<p>Reorganization of subdirectories of src/ to better represent the relation
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between different parts as described in the following table.</p>
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<p>This change also allows the number of libraries built to be reduced to:
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libCap5.so, libca.so, libdbCore.so, libdbStaticHost.so,
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libCom.so, libcas.so, libdbRecStd.so, and libgdd.so</p>
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<table border="1"><tbody>
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<tr>
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<th>Component</th>
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<th>Dependency</th>
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<th>Library name</th>
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<th>Description</th>
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</tr>
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<tr>
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<td>src/tools</td>
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<td></td>
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<td></td>
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<td>Build system scripts</td>
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</tr>
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<tr>
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<td>src/libCom</td>
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<td>src/tools</td>
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<td>Com</td>
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<td>Utility routines and OS-independant API</td>
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</tr>
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<tr>
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<td>src/template</td>
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<td>src/tools</td>
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<td></td>
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<td>User application templates (e.g. makeBaseApp)</td>
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</tr>
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<tr>
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<td>src/ca/client</td>
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<td>src/libCom</td>
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<td>ca</td>
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<td>Channel Access client</td>
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</tr>
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<tr>
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<td>src/ca/legacy/gdd</td>
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<td>src/ca/client</td>
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<td>gdd</td>
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<td>Generic data layer for PCAS</td>
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</tr>
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<tr>
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<td>src/ca/legacy/pcas</td>
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<td>src/ca/legacy/gdd</td>
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<td>cas</td>
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<td>Portable Channel Access Server</td>
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</tr>
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<tr>
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<td>src/ioc</td>
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<td>src/ca</td>
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<td>dbCore</td>
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<td>Core database processing functions</td>
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</tr>
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<tr>
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<td>src/std</td>
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<td>src/ioc</td>
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<td>dbRecStd</td>
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<td>Standard records, soft device support and the softIoc </td>
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</tr>
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</tbody></table>
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<p>
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In order to better reflect these relations the following
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directories and files were moved as described:</p>
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<table border="1"><tbody>
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<tr>
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<th colspan="2">Relocations</th>
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</tr>
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<tr>
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<th>Previous</th><th>New</th>
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</tr>
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<tr>
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<th colspan="2">libCom</th>
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</tr>
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<tr>
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<td>src/RTEMS</td>
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<td>src/libCom/RTEMS</td>
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</tr>
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<tr>
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<td>src/toolsComm/flex</td>
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<td>src/libCom/flex</td>
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</tr>
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<tr>
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<td>src/toolsComm/antelope</td>
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<td>src/libCom/yacc</td>
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</tr>
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<tr>
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<td align="right">src/dbStatic/alarm.h<br>.../alarmString.h</td>
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<td>src/libCom/misc/</td>
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</tr>
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<tr>
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<th colspan="2">IOC Core Components</th>
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</tr>
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<tr>
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<td>src/bpt</td>
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<td>src/ioc/bpt</td>
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</tr>
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<tr>
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<td>src/db</td>
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<td>src/ioc/db</td>
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</tr>
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<tr>
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<td>src/dbStatic</td>
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<td>src/ioc/dbStatic</td>
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</tr>
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<tr>
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<td>src/dbtools</td>
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<td>src/ioc/dbtemplate</td>
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</tr>
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<tr>
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<td>src/misc</td>
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<td>src/ioc/misc</td>
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</tr>
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<tr>
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<td>src/registry</td>
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<td>src/ioc/registry</td>
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</tr>
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<tr>
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<td>src/rsrv</td>
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<td>src/ioc/rsrv <a href="#rsrv">1</a></td>
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</tr>
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<tr>
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<th colspan="2">Standard Record Definitions</th>
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</tr>
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<tr>
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<td>src/dev/softDev</td>
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<td>src/std/dev</td>
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</tr>
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<tr>
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<td>src/rec</td>
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<td>src/std/rec</td>
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</tr>
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<tr>
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<td>src/softIoc</td>
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<td>src/std/softIoc</td>
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</tr>
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<tr>
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<th colspan="2">Channel Access</th>
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</tr>
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<tr>
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<td>src/ca</td>
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<td>src/ca/client</td>
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</tr>
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<tr>
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<td>src/catools</td>
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<td>src/ca/client/tools</td>
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</tr>
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<tr>
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<td>src/cap5</td>
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<td>src/ca/client/perl</td>
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</tr>
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<tr>
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<td>src/gdd</td>
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<td>src/ca/legacy/gdd</td>
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</tr>
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<tr>
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<td>src/cas</td>
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<td>src/ca/legacy/pcas</td>
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</tr>
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<tr>
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<td>src/excas</td>
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<td>src/ca/legacy/pcas/ex</td>
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</tr>
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<tr>
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<th colspan="2">User Templates</th>
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</tr>
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<tr>
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<td>src/makeBaseApp</td>
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<td>src/template/base</td>
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</tr>
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<tr>
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<td>src/makeBaseExt</td>
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<td>src/template/ext</td>
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</tr>
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<tr>
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<th colspan="2">Dispersed</th>
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</tr>
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<tr>
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<td rowspan="3">src/util <a href="#util">2</a></td>
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<td>src/ca/client</td>
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</tr>
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<tr>
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<td>src/ca/client/test</td>
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</tr>
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<tr>
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<td>src/libCom/log</td>
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</tr>
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<tr>
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<td rowspan="2">src/as <a href="#as">3</a></td>
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<td>src/libCom/as</td>
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</tr>
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<tr>
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<td>src/ioc/as</td>
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</tr>
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</tbody></table>
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<p><a name="rsrv">1</a>
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RSRV is built as part of dbCore due to its tight (bidirectional) coupling
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with the other database code.</p>
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<p><a name="util">2</a>
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The contents for src/util/ moved to three locations. The caRepeater init script
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was moved to src/ca/client/. ca_test is now in src/ca/client/test/.
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The iocLogServer was moved into the same directory (src/libCom/log) as
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the log client code.</p>
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<p><a name="as">3</a>
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The Access Security code has been divided, with the parts not related to the
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database (lexer/parser and trap registration) becoming part of libCom.
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The remaining components are included in the dbCore library</p>
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<h3>
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Moved src/RTEMS/base directory</h3>
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<p>
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These files are now found under src/RTEMS.</p>
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<h3>
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Removed 3.13 compatibility</h3>
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<p>
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Removed the 3.13 <top>/config directory and build compatibility rules and
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variables, and various conversion documents.</p>
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</body>
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</html>
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