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From: Chet Ramey <chet.ramey@case.edu>
To: Carl Edquist <edquist@cs.wisc.edu>
Cc: chet.ramey@case.edu, Zachary Santer <zsanter@gmail.com>,
	bug-bash <bug-bash@gnu.org>,
	libc-alpha@sourceware.org
Subject: Re: Examples of concurrent coproc usage?
Date: Mon, 22 Apr 2024 12:06:43 -0400	[thread overview]
Message-ID: <4e5a5e96-274b-49d5-bd9b-5a0ceaaa888d@case.edu> (raw)
In-Reply-To: <2febc4ce-a9a8-d1a9-51c3-0ed5d1b20716@cs.wisc.edu>


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On 4/20/24 6:04 PM, Carl Edquist wrote:

> I think this is _definitely_ true for the BC coproc in the bcalc example. 
> But it's kind of a distraction to get hung up on that detail, because in 
> the general case there may very well be other scenarios where it would be 
> appropriate to, um, _nudge_ the coproc a bit with the kill command.

You might be surprised. The OP was sending thousands of calculations to (I
think) GNU bc, which had some resource consumption issue that resulted in
it eventually hanging, unresponsive. The kill was the solution there. I
imagine there are similar scenarios with other tools.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/


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  reply	other threads:[~2024-04-22 16:07 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CABkLJULa8c0zr1BkzWLTpAxHBcpb15Xms0-Q2OOVCHiAHuL0uA@mail.gmail.com>
     [not found] ` <9831afe6-958a-fbd3-9434-05dd0c9b602a@draigBrady.com>
2024-03-10 15:29   ` RFE: enable buffering on null-terminated data Zachary Santer
2024-03-10 20:36     ` Carl Edquist
2024-03-11  3:48       ` Zachary Santer
2024-03-11 11:54         ` Carl Edquist
2024-03-11 15:12           ` Examples of concurrent coproc usage? Zachary Santer
2024-03-14  9:58             ` Carl Edquist
2024-03-17 19:40               ` Zachary Santer
2024-04-01 19:24               ` Chet Ramey
2024-04-01 19:31                 ` Chet Ramey
2024-04-02 16:22                   ` Carl Edquist
2024-04-03 13:54                     ` Chet Ramey
2024-04-03 14:32               ` Chet Ramey
2024-04-03 17:19                 ` Zachary Santer
2024-04-08 15:07                   ` Chet Ramey
2024-04-09  3:44                     ` Zachary Santer
2024-04-13 18:45                       ` Chet Ramey
2024-04-14  2:09                         ` Zachary Santer
2024-04-04 12:52                 ` Carl Edquist
2024-04-04 23:23                   ` Martin D Kealey
2024-04-08 19:50                     ` Chet Ramey
2024-04-09 14:46                       ` Zachary Santer
2024-04-13 18:51                         ` Chet Ramey
2024-04-09 15:58                       ` Carl Edquist
2024-04-13 20:10                         ` Chet Ramey
2024-04-14 18:43                           ` Zachary Santer
2024-04-15 18:55                             ` Chet Ramey
2024-04-15 17:01                           ` Carl Edquist
2024-04-17 14:20                             ` Chet Ramey
2024-04-20 22:04                               ` Carl Edquist
2024-04-22 16:06                                 ` Chet Ramey [this message]
2024-04-27 16:56                                   ` Carl Edquist
2024-04-28 17:50                                     ` Chet Ramey
2024-04-08 16:21                   ` Chet Ramey
2024-04-12 16:49                     ` Carl Edquist
2024-04-16 15:48                       ` Chet Ramey
2024-04-20 23:11                         ` Carl Edquist
2024-04-22 16:12                           ` Chet Ramey
2024-04-17 14:37               ` Chet Ramey
2024-04-20 22:04                 ` Carl Edquist
2024-03-12  3:34           ` RFE: enable buffering on null-terminated data Zachary Santer
2024-03-14 14:15             ` Carl Edquist
2024-03-18  0:12               ` Zachary Santer
2024-03-19  5:24                 ` Kaz Kylheku
2024-03-19 12:50                   ` Zachary Santer
2024-03-20  8:55                     ` Carl Edquist
2024-04-19  0:16                       ` Modify buffering of standard streams via environment variables (not LD_PRELOAD)? Zachary Santer
2024-04-19  9:32                         ` Pádraig Brady
2024-04-19 11:36                           ` Zachary Santer
2024-04-19 12:26                             ` Pádraig Brady
2024-04-19 16:11                               ` Zachary Santer
2024-04-20 16:00                         ` Carl Edquist
2024-04-20 20:00                           ` Zachary Santer
2024-04-20 21:45                             ` Carl Edquist

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