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- Newsgroups: comp.soft-sys.andrew
- Path: 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
-
- 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
-