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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. JF Bastien‏ @jfbastien Jul 16

      Such a quaint throwback! 〝volatile: The Multithreaded Programmer's Best Friend〞 — @incomputable I'd forgotten how wild C++ was before C++11. Don't do what the article says! An article from another era. ☺️http://www.drdobbs.com/cpp/volatile-the-multithreaded-programmers-b/184403766 …

      6 replies 2 retweets 20 likes
      Show this thread
    2. John Regehr‏ @johnregehr Jul 16
      Replying to @jfbastien @incomputable

      I think it's 100% clear the C++ committee should remove volatile

      11 replies 1 retweet 8 likes
    3. JF Bastien‏ @jfbastien Jul 16
      Replying to @johnregehr @incomputable

      No! I used volatile recently, and advocated for its use too!!! It's great for signals, and TOCTOU, at a minimum. I'm wondering if we should deprecate volatile-qualified functions though. I don't think they're useful anymore.

      2 replies 0 retweets 3 likes
      Rich Felker‏ @RichFelker Jul 16
      Replying to @jfbastien @johnregehr @incomputable

      What are "volatile-qualified functions"? Do you mean member functions for working with volatile instances of a class? Or something else?

      1:25 PM - 16 Jul 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. JF Bastien‏ @jfbastien Jul 16
          Replying to @RichFelker @johnregehr @incomputable

          class Foo { void bar() volatile; };

          1 reply 0 retweets 2 likes
        3. Matthew Fernandez‏ @wattsamata Jul 16
          Replying to @jfbastien @RichFelker and

          Isn’t that just marking the this pointer volatile? I can think of some valid use cases for that.

          1 reply 0 retweets 0 likes
        4. JF Bastien‏ @jfbastien Jul 16
          Replying to @wattsamata @RichFelker and

          No, it defines the member function to call if the this pointer is volatile.

          1 reply 0 retweets 2 likes
        5. Matthew Fernandez‏ @wattsamata Jul 16
          Replying to @jfbastien @RichFelker and

          So you’d overload it by providing another that isn’t volatile? Now that sounds straight up bizarre.

          1 reply 0 retweets 1 like
        6. JF Bastien‏ @jfbastien Jul 16
          Replying to @wattsamata @RichFelker and

          That’s been standard C++ forever. Same for const member function overloads.

          1 reply 0 retweets 0 likes
        7. Rich Felker‏ @RichFelker Jul 16
          Replying to @jfbastien @wattsamata and

          Qualified proper-class types were always pretty nonsensical...

          2 replies 0 retweets 0 likes
        8. JF Bastien‏ @jfbastien Jul 16
          Replying to @RichFelker @wattsamata and

          JF Bastien Retweeted JF Bastien

          Don’t forget about ref and rvalue member functions! Much more to come 😉https://twitter.com/jfbastien/status/1004990262534426625?s=21 …

          JF Bastien added,

          JF Bastien @jfbastien
          C++03: void foo() const volatile; C++11: void foo() &; void bar() &&; C++20?: void foo() &&&; C++23??: void foo() mut &&&&&; C++26‽: void foo() do not @ me; C++29⁉️: void foo() 🌈🦄✨; C++31: void foo(void);
          0 replies 0 retweets 6 likes
        9. End of conversation

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