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bascule's profile
Tony Arcieri
Tony Arcieri
Tony Arcieri
@bascule

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Tony Arcieri

@bascule

Co-founder @iqlusioninc, formerly @square @chain. Cryptography dilettante, polyglot programmer, key management wrangler, and infrastructure security specialist

San Francisco, CA
tonyarcieri.com
Joined May 2007

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    Tony Arcieri‏ @bascule 14 Mar 2014

    Nice to see Goroutine memory safety (or lack thereof) explained clearly on Wikipedia: http://en.wikipedia.org/wiki/Go_(programming_language)#Safety …

    10:16 AM - 14 Mar 2014
    • 2 Retweets
    • 4 Likes
    • Jesse Ruderman Sean Cassidy Frank Denis Elia (͡° ͜ʖ ͡°) whitequark
    3 replies 2 retweets 4 likes
      1. New conversation
      2. Thomas H. Ptacek‏ @tqbf 14 Mar 2014
        Replying to @bascule

        @bascule You are on tilt about this issue and it makes you sound silly.

        1 reply 0 retweets 0 likes
      3. Tony Arcieri‏ @bascule 14 Mar 2014
        Replying to @tqbf

        @tqbf I think there's a common misconception that Goroutines have isolated heaps and I'd like to correct that

        2 replies 0 retweets 0 likes
      4. Thomas H. Ptacek‏ @tqbf 14 Mar 2014
        Replying to @bascule

        @bascule NOBODY has that misconception.

        1 reply 0 retweets 0 likes
      5. Tony Arcieri‏ @bascule 14 Mar 2014
        Replying to @tqbf

        @tqbf I beg to differ

        1 reply 0 retweets 0 likes
      6. Thomas H. Ptacek‏ @tqbf 14 Mar 2014
        Replying to @bascule

        @bascule Well, it’s a “common” misconception; should be no trouble to provide some links.

        1 reply 0 retweets 0 likes
      7. Tony Arcieri‏ @bascule 14 Mar 2014
        Replying to @tqbf

        @tqbf it's hard to link to IRC conversations

        1 reply 1 retweet 0 likes
      8. Thomas H. Ptacek‏ @tqbf 14 Mar 2014
        Replying to @bascule

        @bascule Thought so.

        1 reply 0 retweets 0 likes
      9. Tony Arcieri‏ @bascule 14 Mar 2014
        Replying to @tqbf

        @tqbf I'm serious though, I've talked to many people who are surprised to learn that goroutines share state

        5 replies 0 retweets 0 likes
      10. 4 more replies
      1. New conversation
      2. whitequark‏ @whitequark 14 Mar 2014
        Replying to @bascule

        .@bascule wait what, a Go program [without raw pointer access] can just go and segfault? WTF.

        1 reply 0 retweets 0 likes
      3. Tony Arcieri‏ @bascule 14 Mar 2014
        Replying to @whitequark

        @whitequark that would be a different type of memory safety ;)

        1 reply 0 retweets 0 likes
      4. whitequark‏ @whitequark 14 Mar 2014
        Replying to @bascule

        @bascule referring to the part where internal structures aren't protected. Intertwine reading/resizing an array → access to stale memory!

        1 reply 0 retweets 0 likes
      5. Tony Arcieri‏ @bascule 14 Mar 2014
        Replying to @whitequark

        @whitequark yeah. All immutable all the time is one solution. Rust's region typing is an attractive alternative for shared mutable state

        1 reply 0 retweets 0 likes
      6. whitequark‏ @whitequark 14 Mar 2014
        Replying to @bascule

        @bascule what if you have an array of pointers and a collection happens between two goroutines run?

        1 reply 0 retweets 0 likes
      7. Nikita Abdullin‏ @0xABD 14 Mar 2014
        Replying to @whitequark

        @whitequark @bascule one cannot simply invent high-level memory safety without building a full-blown VMM

        2 replies 0 retweets 0 likes
      8. Tony Arcieri‏ @bascule 14 Mar 2014
        Replying to @0xABD

        @0xABD @whitequark or a sufficiently smart compiler

        1 reply 0 retweets 0 likes
      9. Nikita Abdullin‏ @0xABD 14 Mar 2014
        Replying to @bascule

        @bascule @whitequark ...until you realize you had better run your code on a bare metal hypervisor to get rid of all those extra layers.

        1 reply 0 retweets 0 likes
      10. 1 more reply
      1. mith‏ @jrmithdobbs 15 Mar 2014
        Replying to @bascule

        @bascule LUA isolates their state correctly. :)

        0 replies 0 retweets 0 likes
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