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43 Mon, 27 Jun 2011 21:44:55 -0700 (PDT)
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44 From: Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
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45 To: Austin Clements <amdragon@MIT.EDU>
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46 Subject: Re: [PATCH 2/2] test: use emacsclient(1) for Emacs tests
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47 In-Reply-To: <20110628041742.GC4120@mit.edu>
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48 References: <1309132379-24089-1-git-send-email-dmitry.kurochkin@gmail.com>
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56 (x86_64-pc-linux-gnu)
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57 Date: Tue, 28 Jun 2011 08:44:51 +0400
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76 On Tue, 28 Jun 2011 00:17:42 -0400, Austin Clements <amdragon@MIT.EDU> wrote:
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77 > Quoth Dmitry Kurochkin on Jun 28 at 7:59 am:
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78 > > I am sure that would work, but I do not like the complexity. How about
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79 > > getting back to standard emacsclient and running a watchdog in the
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82 > > (defun orphan-watchdog (pid)
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83 > > "Periodically check that the process with id PID is still
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84 > > running, quit if it terminated."
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85 > > (if (not (process-attributes pid))
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87 > > (run-at-time "1 min" nil orphan-watchdog pid)))
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89 > > This function (or my other changes) do not work (by yet unknown reason
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90 > > :)), but you get the idea.
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92 > I would consider this more complex than a few file descriptors. ]:--8)
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94 More shell code and more elisp code. I do not think can be considered
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97 > Though, I'm automatically distrustful of anything that relies on
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98 > polling (why poll when you can be notified instantly?).
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101 I agree that polling is not as elegant as an instant notification. But
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102 IMO reinventing emacsclient just kills all the beauty of this solution.
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103 I liked it when it was a simple read loop, but now it is too complex to
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104 my taste. Besides, I am a bit worried that we will face new problems in
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105 the future that would force us to add more "features" to our
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106 not-so-poor-man's Emacs server implementation.
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108 > It also has some problems. For example, PID's are easily reused, so
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109 > if another process happens to take up that PID, the emacs could still
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110 > hang around for a long time.
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112 Indeed. We may add a more complex process detection, but IMO it is an
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115 Anyway, I am done with reworking the patch series and will post it now.
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116 Perhaps others would voice their opinion on this one.
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