More changes for beta12
This commit is contained in:
Marty Kraimer
@@ -11,18 +11,16 @@
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EPICS Release baseR3.13.0.beta12</H1>
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<H4>
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April 15, 1998</H4>
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June 3, 1998</H4>
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All major functionality that will be in R3.13 is now in place. It has been
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build on solaris, sunos, HPUX, alpha, SG, and winXX. There are still some
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c++ related problems. In particular c++ code does not build properly on
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SGI. Thus we are not yet ready for the first official 3.13 release. Since
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none of the c++ code is necessary for IOC applications this should not
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stop anyone from upgrading to 3.13.
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build on solaris, sunos, HPUX, alpha, SG, and winXX. This release is still
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called a beta release but will become 3.13.1 as soon as it has been used
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on a few production systems (bug fixes will bne made if necessary)
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<P>The Application Developer's Guide is a major revision of the 3.12 edition.
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All Application Developer's should get a hard copy (from the postscript
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version) and read it. It describes the features in the latest release.
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The latest version is for beta11 base release.
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The latest version is for beta12 base release. It is available in
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pdf (adobe acrobat reader) and in postscript. The pdf format is nice for
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online and postscript for generating a hard copy.
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<P>LANL has a revision of the Record Reference Manual available. See the
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LANL EPICS documentation.
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@@ -35,7 +33,8 @@ Changes between beta11 and beta12</H3>
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<H3>
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IOC Applications: Building</H3>
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The config.CONFIG_APP file must be edited. Remove the following lines:
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The config.CONFIG_APP file in existing applications must be edited. Remove
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the following lines:
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<PRE>ifndef T_A
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T_A = $(HOST_ARCH)
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endif #ifndef T_A</PRE>
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@@ -49,16 +48,14 @@ Most locking semaphores have been changed from semBCreate to semMCreate
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with the options :
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<BR>SEM_DELETE_SAFE|SEM_INVERSION_SAFE|SEM_Q_PRIORITY
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<P>The performance difference is small. Executing the loop
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<P>A performance test showed that executing
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<BLOCKQUOTE>
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<PRE>for(i=0; i<niterations; i++) {
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semTake(sem,WAIT_FOREVER);
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semGive(bsem);
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}</PRE>
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<PRE> semTake(sem,WAIT_FOREVER);
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semGive(bsem);</PRE>
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</BLOCKQUOTE>
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in a mv167 took (4.5 ,5.0) microseonds per iteration when (semBCreate,semMCreate)
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in a 25MHZ mv167 took (4.4 ,7.8) microseonds when (semBCreate,semMCreate)
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was used. The extra options as well as allowing a task to lock recursively
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are worth the slight difference in performance.
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are worth the difference in performance.
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<H3>
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Task Priorities</H3>
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The priority of the channel access client for database links was changed
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@@ -103,7 +100,7 @@ Access Security now supports macro substitutions. A new vxWorks shell command
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is:
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<BR>
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<UL>asSetSubstitutions("var1=sub1,var2=sub2,..."</UL>
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The Application developer's Guide was updated.
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See the Application developer's Guide for details about access security.
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<H3>
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tsdefs.h and tsSubr.c</H3>
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tsTextToStamp and tsTimeTextToStamp no longer modify the pointer or the
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@@ -135,26 +132,22 @@ assumed.
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makeBaseApp</H3>
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Only the perl version is now supported. Due to encouragement from Rozelle
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Wright (LANL) and the developers at BESSY, makeBaseApp now uses template
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files instead of being one huge ugly perl script. It is now executed as
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<PRE><base>/bin/<arch>/makeBaseApp.pl -e
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or
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<base>/bin/<arch>/makeBaseApp.pl -i ioc ...
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or
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<base>/bin/<arch>/makeBaseApp.pl app ...</PRE>
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<LI>
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See the new WWW documentation on Application Source Release for details</LI>
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files instead of being one huge ugly perl script. Ralph Lange (BESSY)
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made major changes to makeBaseApp. It supports two sets of templates provided
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with base (simple and example) as well as templates stored elsewhere. Thus
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each site can add new sets of template files.
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<P>See the new WWW documentation on Application Source Release for details
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<H3>
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dbStaticLib</H3>
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The include path now supports the unix convention that an empty directory
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name means the current directory. Thus the following are OK
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<PRE>-I nnn::mmm # Current directory is between nnn and mmm
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-I :nnn # Current directiry is first
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-I nnn: # Current directiry is last</PRE>
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The lex grammer was changed so that it for quoted strings can contain any
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ascii character except a quote. A quote itself can be given as the escape
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sequence \". This same change was made to dbLoadRecords and dbLoadTemplates.
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-I :nnn # Current directory is first
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-I nnn: # Current directory is last</PRE>
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The lex grammer was changed so that quoted strings can contain any ascii
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character except a quote. A quote itself can be given as the escape sequence
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\". This same change was made to dbLoadRecords and dbLoadTemplates.
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<P>For all fields in a .db file, a non null string is considered as not
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the default.
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@@ -162,9 +155,8 @@ the default.
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<P>For winNT the path seperator is a ;
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<P>Field attributes (psuedo fields) are now supported. In particular RTYP
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(record type) and VERS (verssion) mare now supported. In addition a new
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request type DBR_CLASS is supported. See Application Developer's guide
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for details.
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(record type) and VERS (version) are now supported. In addition a new request
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type DBR_CLASS is supported. See Application Developer's guide for details.
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<H3>
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Runtime database access</H3>
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@@ -177,7 +169,8 @@ of a database link.</LI>
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dbNotify was fixed to work correctly for putNotify as well as put.</LI>
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<LI>
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scanppl now accepts an argumeny rate. scanpel accepts an argument event_number.</LI>
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scanppl now accepts an argument <TT>rate</TT>. scanpel accepts an argument
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<TT>event_number</TT>.</LI>
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</UL>
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<H3>
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@@ -185,9 +178,11 @@ base.dbd</H3>
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<UL>
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<LI>
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Soft raw device support is uncommenmted</LI>
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Soft raw device support is uncommented.</LI>
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<LI>
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Device support for the Allen Bradley SLC is changed.It is now:</LI>
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<BR>Device support for the Allen Bradley SLC is changed.It is now:
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<PRE>#device(ai,AB_IO,devAiAbSlcDcm,"AB-SLC500DCM")
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#device(ai,AB_IO,devAiAbSlcDcmSigned,"AB-SLC500DCM-Signed")
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#device(ao,AB_IO,devAoAbSlcDcm,"AB-SLC500DCM")
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@@ -297,14 +292,15 @@ field(INP,"@fd")</PRE>
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</UL>
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The OUT fields now have the form
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<UL>
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<PRE>field(OUT,"@memoryScanRate")
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field(OUT,"@fdScanRate")
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field(OUT,"@cpuScanRate")</PRE>
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<PRE>field(OUT,"@memoryScanPeriod")
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field(OUT,"@fdScanPeriod")
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field(OUT,"@cpuScanPeriod")</PRE>
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</UL>
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The source file has comments showing a sample database.
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<H3>
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devSymb</H3>
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This has been drastically changed. ??????? what to say
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This has been drastically changed. Look at <base>/src/dev/symbDev/README
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for details.
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<H2>
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Changes between beta4 and beta11</H2>
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