Article View: comp.soft-sys.andrew
Article #1785Re: message queue with ATK
From: Zalman Stern
Date: Wed, 18 Nov 1992 19:35
Date: Wed, 18 Nov 1992 19:35
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1737 bytes
In article <gf2ZSdw91Jbd17dlp5@rchland.ibm.com> tinglett+@rchland.ibm.com (Todd Inglett) writes: > Excerpts from ext.misc.info-andrew: 17-Nov-92 Re: messagequeue with ATK > Zalman Stern@decwrl.dec. (1573) > > > The namespace for System V message queues is disjoint from the file > > descriptor namespace. They do not work with select and hence donot fit into > ATK interaction model. > > This may be true in general, but be sure to look closely at the > selectcall on your system. In AIX, for example, the first argument to > selectindicates how many file descriptors and message queues are > specified in theother arguments. The lower 16 bits of the first > argument specify the # offiles and the upper 16 bits specify the # of > message queues. Because it wouldbe impossible to specify 64535 file > descriptors (AIX has a limit of around2000 or so), it is completely > compatible with the `old' select. It is best to ignore braindamage like this. Shooting the person responsible might make you feel better, but is generally not worth the consequences. -- Zalman Stern zalman@adobe.com (415) 962 3824 Adobe Systems, 1585 Charleston Rd., POB 7900, Mountain View, CA 94039-7900 "Yeah. Ask 'em if they'll upgrade my shifters too." Bill Watterson
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Newsgroups: comp.soft-sys.andrew Path: arc1-ca.pugleaf.net!sparky!uunet!charon.amdahl.com!pacbell.com!sgiblab!swrinde!elroy.jpl.nasa.gov!decwrl!adobe!usenet From: zstern@adobe.com (Zalman Stern) Subject: Re: message queue with ATK Message-ID: <1992Nov18.193547.27977@adobe.com> Sender: usenet@adobe.com (USENET NEWS) Organization: Adobe Systems Incorporated References: <gf2ZSdw91Jbd17dlp5@rchland.ibm.com> Date: Wed, 18 Nov 1992 19:35:47 GMT Lines: 25