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!feeder.eternal-september.org!aioe.org!.POSTED.fn3LatRFkm9/xzEj7F2/NQ.user.gioia.aioe.org!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: How To Create And Use Memory Map Files Date: Mon, 18 Feb 2019 11:23:24 +0100 Organization: Aioe.org NNTP Server Message-ID: References: <65487ca1-3a41-4acf-a36d-8ec62fcf5c28@googlegroups.com> <8dca69e5-66d2-4c30-98fc-a0fda3f451cd@googlegroups.com> NNTP-Posting-Host: fn3LatRFkm9/xzEj7F2/NQ.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 X-Notice: Filtered by postfilter v. 0.9.2 Content-Language: en-US Xref: reader01.eternal-september.org comp.lang.ada:55564 Date: 2019-02-18T11:23:24+01:00 List-Id: On 2019-02-18 10:31, Rego, P. wrote: >> Usually it is the reverse: to treat a file as an chunk of memory. >> >> In more OSes more advanced than Linux one can have shared memory without >> any files involved. The memory object could even be anonymous if one >> process passes a handle to the memory to another. >> >> Linux has special sockets for passing file descriptors, but all is quite >> purposeless because shared memory still requires a file behind it. > > Good to know. I remember VxWorks had some mechanism like this, but I didn't > go deep. Right, VxWorks has it better, IMO. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de