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<title>LOCK-files (Appendix 31)</title>
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<h1 align="Center"> LOCK-files (.LCK) </h1>
<p align="Center"> (Appendix 31)<small>.</small> </p>
<p> Added lock files when importing and exporting mail (same filename, extension
added or replaced = "lck") </p>
<pre>This means that while FBB is using MAIL.IN a file named MAIL.LCK exists.<br>In the same way, if a file named MAIL.LCK exists, FBB will delay MAIL.IN<br>This is to avoid conflicts between applications.<br><br><br>MAIL.LCK is not imported, it is only a (empty) temporary file which is used<br>as a flag.<br><br>When FBB imports MAIL.IN it does :<br><br>if MAIL.LCK exists<br>then begin<br> do not import MAIL.IN<br> if MAIL.LCK is older than one hour<br> then begin<br> delete (if possible) MAIL.LCK<br> end<br>end<br>else begin<br> create MAIL.LCK<br> import MAIL.IN<br> delete MAIL.LCK<br>end<br><br>this is checked every minute until MAIL.LCK no longer exist.<br><br>When FBB exports LA6CU.OUT, it does :<br><br>if LA6CU.LCK exists<br>then begin<br> do not export LA6CU.OUT<br> if LA6CU.LCK is older than one hour<br> then begin<br> delete (if possible) LA6CU.LCK<br> end<br>end<br>else begin<br> create LA6CU.LCK<br> export LA6CU.OUT<br> delete LA6CU.LCK<br>end<br><br>Another application should do the same to avoid conflicts.<br><br>Lock-files are deleted (if possible) after 1 hour.<br><br></pre>
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<font color="#800000">This page was last updated 17-Apr-99</font>
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