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Re: Using sigsetjmp/siglongjmp from multithreaded application

Date	2012-07-24 22:58 +0200
From	Marcel Müller <news.5.maazl@spamgourmet.com>
Newsgroups	comp.programming.threads
Subject	Re: Using sigsetjmp/siglongjmp from multithreaded application
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On 24.07.2012 19:34, Michael Podolsky wrote:
>> Secondly you could use lock free data structures.
>
> Yep. I thought of it generally. Yet it looks a little overkill for
> such a task, and, besides, I have no CAS on my platform.

Oh, I wonder if semaphores are possible at all without CAS. AFAIK 
without CAS (or something similar) you are restricted to one CPU core.

>> Last but not least you could simply use a spin-lock. As long as your
>> critical sections are quite small, you will not run into significant
>> trouble.
>
> Somehow it fell completely out of my mind. Thanks for pointing at this
> option.

Hmm, the basic instruction of a spin-lock is CAS, isn't it?


Marcel

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Thread

Using sigsetjmp/siglongjmp from multithreaded application Michael Podolsky <michael.podolsky.69@gmail.com> - 2012-07-20 14:42 -0700
  Re: Using sigsetjmp/siglongjmp from multithreaded application "Ersek, Laszlo" <lacos@caesar.elte.hu> - 2012-07-21 03:32 +0200
    Re: Using sigsetjmp/siglongjmp from multithreaded application "Ersek, Laszlo" <lacos@caesar.elte.hu> - 2012-07-21 04:05 +0200
      Re: Using sigsetjmp/siglongjmp from multithreaded application Michael Podolsky <michael.podolsky.69@gmail.com> - 2012-07-24 10:22 -0700
        Re: Using sigsetjmp/siglongjmp from multithreaded application "Ersek, Laszlo" <lacos@caesar.elte.hu> - 2012-07-25 03:28 +0200
  Re: Using sigsetjmp/siglongjmp from multithreaded application Marcel Müller <news.5.maazl@spamgourmet.com> - 2012-07-21 09:10 +0200
    Re: Using sigsetjmp/siglongjmp from multithreaded application Michael Podolsky <michael.podolsky.69@gmail.com> - 2012-07-24 10:34 -0700
      Re: Using sigsetjmp/siglongjmp from multithreaded application Marcel Müller <news.5.maazl@spamgourmet.com> - 2012-07-24 22:58 +0200
        Re: Using sigsetjmp/siglongjmp from multithreaded application Drazen Kacar <dave@fly.srk.fer.hr> - 2012-07-24 21:23 +0000
        Re: Using sigsetjmp/siglongjmp from multithreaded application Michael Podolsky <michael.podolsky.69@gmail.com> - 2012-07-24 15:48 -0700

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