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,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!feeder.eternal-september.org!news.gegeweb.eu!gegeweb.org!usenet-fr.net!proxad.net!feeder1-2.proxad.net!cleanfeed3-a.proxad.net!nnrp1-2.free.fr!not-for-mail From: William FRANCK Newsgroups: comp.lang.ada Date: Thu, 17 Oct 2019 12:45:00 +0200 Message-ID: <5da8462c$0$3400$426a34cc@news.free.fr> References: <5da4cf81$0$20312$426a74cc@news.free.fr> <5da4e182$0$20321$426a74cc@news.free.fr> <55cpF.815759$bv6.689110@fx04.am4> <5da777d4$0$21611$426a34cc@news.free.fr> <5da83417$0$31419$426a34cc@news.free.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: How to transfer Class-Wide object to a Task ? User-Agent: Unison/2.2 Organization: Guest of ProXad - France NNTP-Posting-Date: 17 Oct 2019 12:45:00 CEST NNTP-Posting-Host: 94.199.126.21 X-Trace: 1571309100 news-4.free.fr 3400 94.199.126.21:62897 X-Complaints-To: abuse@proxad.net Xref: reader01.eternal-september.org comp.lang.ada:57311 Date: 2019-10-17T12:45:00+02:00 List-Id: Ok, Dmitry, I'll investigate this! btw, I know you're a senior and respectfull Ada developer :-) William On 2019-10-17 10:00:16 +0000, Dmitry A. Kazakov said: > On 2019-10-17 11:28, William FRANCK wrote: >> On 2019-10-16 20:04:41 +0000, William FRANCK said: >> I've uploaded my PoC source file on the comp.lang.ada group. > > The code looks wrong. If you use holders it could be like this: > > Reader: > > loop > declare > read and create a local object > begin > accept entry call and in the rendezvous > copy object into holder passed to the entry > end; > end loop; > > Writer: > > loop > call to the reader entry passing local holder > write the object held by the holder > end loop; > > P.S. Using an access type or reference-counted object would reduce copying.