e.com]On Behalf Of Ted Slate
Sent: Monday, May 12, 2008 3:29 PM
Subject: Re: [C400-L] File left open in QZRCSRVS job
Try sending scope message (QMHSNDSM) API. If your program
crashes you can perform cleanup routines. Also, check for
the record lock timeout values, so even if the program
crashes no one lock can keep others in a stalemate. Finally,
if that's the only reason you're using C for this, you might
consider RPG and SQL. I rarely use C for strict DB file
handling, it's not worth the trouble with SQL and RPG around.
I don't see where a file open is an issue unless it's an
exclusive lock. If the file is in QTEMP there's no reason to
hold an exclusive lock(if you are) which would solve the
However, I noticed you stated that a user space is an option.
Then you could use a stream file (flat file). Again, same
thing just don't open it exclusive and if the program bombs
you can re-create it repeatedly with no locks. It is
possible that the record handling code is causing storage
issues as suggested so maybe removing that code or moving it
to RPG may help.
But aside from all that, I would use queues for what you're
doing it's a much more elegant solution and very robust on
the i. It doesn't make sense to use files or user spaces for
message passing and IPC.
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