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Re: Re: Builtin Watchdog for a sub (or block)

by osfameron (Hermit)
on Apr 28, 2002 at 16:02 UTC ( #162674=note: print w/replies, xml ) Need Help??


in reply to Re: Builtin Watchdog for a sub (or block)
in thread Builtin Watchdog for a sub (or block)

alarm isn't (yet?) implemented on Win32. I'd argue that therefore this isn't a generic Perl solution, as it seems to be using OS specific functionality.
(But I may be missing the point...)

Cheerio!
Osfameron
http://osfameron.perlmonk.org/chickenman

  • Comment on Re: Re: Builtin Watchdog for a sub (or block)

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Re^3: Builtin Watchdog for a sub (or block)
by particle (Vicar) on Apr 28, 2002 at 17:09 UTC
    alarm isn't (yet?) implemented on Win32
    true. you can use Win32::Event, but the implementation's a little bit different than alarm.

    ~Particle *accelerates*

(Ask Perl 6: Win32) Re: Re: Re: Builtin Watchdog for a sub (or block)
by osfameron (Hermit) on May 14, 2002 at 20:35 UTC
    I've posted a question on Ask Perl 6 on Use Perl about this: I think that it's wrong to call alarm and fork etc. features of the Perl language, because they are un- or partially- implemented for major platforms like Win32, and I'm hoping that Perl 6 will improve that!

    Cheerio!
    Osfameron
    http://osfameron.perlmonk.org/chickenman

      While Parrot may make some of that pain easier to deal with (alarm, for example, though it's got issues anyway once you're running with threads) I don't think you're going to see fork or alarm or whatever go away, and honestly I don't think they should. (And my platform of choice--VMS--doesn't fork, amongst other things)

      It's kind of silly to neuter things so you get a lowest-common-denominator system. Making perl platform independent by taking things away just hurts the people who're on platforms where it does work. (And fork is really unlikely to be completely emulated on Windows, or any other non-unix platform)

        Elian++, I agree actually, I don't want to see fork and alarm go away. I want to see them working on Win32 (and VMS, and MacOS for that matter), even if they only work because they are emulated by the virtual machine on those platforms.

        Having said that, if there could be a way of achieving the functionality without using specific OS calls, that would be 'better', wouldn't it? (in the sense that it would be more portable, therefore a wider base of happy Perl users)

        And if it really can't be done, I want to see the documentation for tasks that use these functions give Win32 equivalents or just admit that it can't be done in Win32. I find it very frustrating following code from a textbook or standard document only to find that it doesn't work (or works buggily). (Yes, you could say that someone could submit patches for documentation: maybe, though this would require some life-priority task realignment...)

        Cheerio!
        Osfameron
        http://osfameron.perlmonk.org/chickenman

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