From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.5-pre1 (2020-06-20) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.5-pre1 Path: eternal-september.org!reader02.eternal-september.org!aioe.org!XKkOg2NWh5z4wmge2MDKgw.user.gioia.aioe.org.POSTED!not-for-mail From: Simon Wright Newsgroups: comp.lang.ada Subject: Re: Specify priority of main program Date: Sat, 23 Jan 2021 21:45:11 +0000 Organization: Aioe.org NNTP Server Message-ID: References: NNTP-Posting-Host: XKkOg2NWh5z4wmge2MDKgw.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain X-Complaints-To: abuse@aioe.org User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (darwin) Cancel-Lock: sha1:an4q0Xyq/fZGIfWmlkOGEVPQEJI= X-Notice: Filtered by postfilter v. 0.9.2 Xref: reader02.eternal-september.org comp.lang.ada:61186 List-Id: Simon Wright writes: > GNAT allows you to specify the main program's priority (actually, I > suspect it'd allow it on any parameterless library-level procedure, but > only the one actually used as main will count); > > procedure Main with Priority => 6 is > > This is handy for embedded code where you don't want to waste the > environment task's stack space but need to run that code at a > non-default priority. > > However, I can't see this use in the ARM; is it an extension? Found it now: ARM D.1(18). This isn't mentioned in Annex J, Language Defined Aspects: (46), "Priority of a task object or type, or priority of a protected object or type; the priority is not in the interrupt range. See D.1." > If it's not a GNAT extension, what would the ARG view be likely to be > for similar permission for Storage_Size (and Secondary_Stack_Size, but > that is definitely a GNAT extension)? But this still stands.