Closing database in exit handler
Matthias Andree
matthias.andree at gmx.de
Sun Sep 11 18:14:54 CEST 2005
Stefan Bellon <sbellon at sbellon.de> writes:
> On RISC OS, file handles are not automatically closed by the operating
> system when a process dies (yes, this is annoying but cannot be
> changed).
So write a robust supervisor process that cleans up after the other
process.
> So, if a process crashes and had file handles open at that time, they
> remain open and the user has to close them manually.
Well, bogofilter assumes POSIX semantics. If we don't get them, tough luck.
> When Bogofilter crashes (rarely the case, but happens from time to
> time), it leaves wordlist.db open. I have no idea where in the code the
> exact places are, but those in the know, couldn't they just add
> something like
>
> open_database();
> atexit(close_database);
>
> i.e. register an exit handler when the database got opened?
This doesn't help if bogofilter crashes or is terminated by signal.
--
Matthias Andree
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