` Closing all files and cleaning up with one call (Gordon Smith) - Icetips Article
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Clarion in general: Closing all files and cleaning up with one call
2002-11-04 -- Gordon Smith
 
Newsgroups: softvelocity.products.c55ee.bugs Just call: module('') ClaCloseAll procedure, name('Cla$CloseAll') end before you call Chain (this is what Halt does). Gordon. > Chain Help: "CHAIN terminates the current program, closing all files and > returning its memory to the operating system, and executes another program." > > The below sample demonstrates that CHAIN starts the new program before > terminates the current program. I want to use CHAIN to shutdown the current > program and restart it. 16-bit does not work when CHAIN(COMMAND(0)), but I > don't care. 32-bit starts new program before old copy shutsdown. > > In my app a file is not the problem, its a Mutex that I need released by the > shutdown process. CHAIN appears to besically be RUN('new.exe') ; HALT() > which is not what the docs say. > > > PROGRAM > MAP. > > ChainTesFile FILE,DRIVER('ASCII'),NAME('chaintest.$$$'),PRE(cht),CREATE > Record RECORD,PRE() > Line STRING(255) > END > END > FailCnt LONG > DummyWindow WINDOW('Caption'),AT(,,185,92),FONT('MS Sans > Serif',8,,FONT:regular),GRAY > END > > CODE > !A program CHAIN itself does not work > > IF ~EXISTS(Name(ChainTesFile)) > CREATE(ChainTesFile) > END > > ! OPEN(DummyWindow) !See if opening a window helps > ! ACCEPT > ! IF EVENT() THEN BREAK. > ! END > ! CLOSE(DummyWindow) > > LOOP 10000 times > OPEN(ChainTesFile) > IF ERRORCODE() > FailCnt+=1 > !Without STOP fails 10000 times > STOP('Error OPEN file, Igone will try again <13,10,13,10> ' & ERROR() ) > ELSE > BREAK > END > END > > cht:line=today()&'-'&clock() > ADD(ChainTesFile) > > CASE MESSAGE('Please Select||' & COMMAND(0)&'||FailCnt=' & > FailCnt,'Chain Test',,'Chain|Exit', 1, 0) > OF 1 ! Name: Chain (Default) > !Message('Ready to chain') > CHAIN(COMMAND(0)) > Message('after chain should not see') > OF 2 ! Name: Exit > END !CASE > > CLOSE(ChainTesFile)


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