Re: Does NetBSD understand the __thread variable declaration ?

From: Joel Reicher (joel_at_panacea.null.org)
Date: 11/19/05

  • Next message: jpd: "Re: Does NetBSD understand the __thread variable declaration ?" 
    Date: Sat, 19 Nov 2005 20:53:57 GMT

    "llothar" <llothar@web.de> writes:

    > It is portable among all OS that support at least the mimium for
    > multithreaded programming.
    >
    > It is "__thread", yes thats right and it is a gcc/glib feature.

    How can you say these two things together? If you use "__thread",
    which is a feature of a particular compiler, your code will not be
    portable.

    > But i
    > think more a os runtime then a compiler feature. Also solaris has this
    > and windows has exact the same as "declspec(thread)".

    What thread *semantics* are supported in the kernel is an OS
    issue. How this is accessed in the syntax of a language, if at all, is
    a compiler issue.

    > I also don't think that BSD's support this as they were in the past
    > terrible bad in multithreading. I just hoped that today where i can buy
    > a dual core in each discounter like Wal-Mart or the german Aldi, some
    > people realized that multithreading is a "must have" feature now.

    NetBSD supports all that you want just fine. The kernel has these
    semantics. You just have to use pthread_get/setspecific() instead of a
    cute little keyword to access it.

    Cheers,

            - Joel

  • Next message: jpd: "Re: Does NetBSD understand the __thread variable declaration ?"

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