Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.alphanet.ch!alphanet.ch!news.imp.ch!weretis.net!feeder5.news.weretis.net!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail From: Daniele Futtorovic Newsgroups: comp.lang.java.programmer Subject: Re: Threads and statics Date: Sat, 09 Apr 2011 18:15:03 +0200 Organization: A noiseless patient Spider Lines: 21 Message-ID: References: <905p9gFpuoU1@mid.individual.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sat, 9 Apr 2011 16:15:00 +0000 (UTC) Injection-Info: mx01.eternal-september.org; posting-host="LVF3EJsXcXY8efdatRhJzA"; logging-data="4169"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/zSifiJl3P2R3Phbbdib6b" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.2.15) Gecko/20110303 Thunderbird/3.1.9 In-Reply-To: Cancel-Lock: sha1:4yLTfUTA6yOujsWdT77bbR1ohFk= Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:3010 On 09/04/2011 18:08, Stefan Ram allegedly wrote: > I have little knowledge about multithreading, but from this > it seems that one can avoid deadlocks as long as one can > avoid situations where more than one resource needs to be > obtained for exclusive access at the same time. That's a tautology. But there *are* cases where you need exclusive access to more than one resource at the same time. The very fact that multi-threaded programs exists proves one can avoid deadlocks in such cases -- no need to look any further. > For example, > a program was written by experts in multithreading and then > showed a deadlock the first time after several years of use. Beware of the "experts"! -- DF. An escaped convict once said to me: "Alcatraz is the place to be"