From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Simon Wright Newsgroups: comp.lang.ada Subject: Re: Reference counting and idempotent finalize Date: Wed, 11 Sep 2013 21:03:13 +0100 Organization: A noiseless patient Spider Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: mx05.eternal-september.org; posting-host="9fea184f47d12c052eb0a8a21bb4972e"; logging-data="11999"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19AJ8HyY29fxv0dkBO8/zyXOAFOOoTWrcE=" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (darwin) Cancel-Lock: sha1:xWI0J4m2V1ieo1kNOU57aEL4jf8= sha1:VoFJGg4A4ZwjREG5SvLRCNrXCx4= Xref: news.eternal-september.org comp.lang.ada:17160 Date: 2013-09-11T21:03:13+01:00 List-Id: "Jeffrey R. Carter" writes: > ARM 7.6.1 says, "It is a bounded error for a call on Finalize or > Adjust that occurs as part of object finalization or assignment to > propagate an exception." My practice has, therefore, been to always > ensure that Finalize cannot propagate an exception. If one of my programs were to raise an exception in Finalize it would be because I hadn't understood the problem - or because Storage_Error - and in either case it wouldn't be safe to continue.