Re: Thread safe

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From	"daydreamer" <sundaresh.venugopal@gmail.com>
Newsgroups	comp.databases
Subject	Re: Thread safe
Message-ID	<20130215040746392@webuse.net> (permalink)
References	<20130214035600392@webuse.net> <cvlqh85e1gitm5hm8aqhoke9a0okhov97a@dim53.demon.nl>
Date	Fri, 15 Feb 2013 04:07:46 GMT
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Kees Nuyt <k.nuyt@nospam.demon.nl> wrote:

> On Thu, 14 Feb 2013 03:56:00 GMT, "daydreamer"
> <sundaresh.venugopal@gmail.com> wrote:
> 
> >I have a tree of recursive small hash tables. A small part of each hash
> >table is stored in memory and the actual tables, in a file. This is for
> >a simple experimental hash/trie based database organization.I wish to
> >make this database thread safe. I intend to do so at the hash table
> >level, to permit several threads to simultaneously read the hash table,
> >but only one thread at a time to write or change the hash table. What is
> >the best way to do accomplish this ? Also what happens if a thread
> >holding a write
> >lock on a hash table is abruptly terminated, never releasing that lock,
> >for other threads to access the table ? 
> 
> No need to reinvent the wheel, it has been done before.
> Use SQLite or Berkely DB.
> 
So much for so called freedom. I must be really free I guess, even if it
is only to reinvent a dumb wheel or be a dumber cog in it. Is that even
a valid expression or one thrown around to dissuade free thought ? I'd
rather do things for myself preferably in my own way. BTW, no input
required, I believe I have figured it out myself. Thanks for nothing.

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Thread

Thread safe "daydreamer" <sundaresh.venugopal@gmail.com> - 2013-02-14 03:56 +0000
  Re: Thread safe Kees Nuyt <k.nuyt@nospam.demon.nl> - 2013-02-14 22:33 +0100
    Re: Thread safe "daydreamer" <sundaresh.venugopal@gmail.com> - 2013-02-15 04:07 +0000

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