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pcwalton's profile
Patrick Walton
Patrick Walton
Patrick Walton
@pcwalton

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Patrick Walton

@pcwalton

Research engineer at Mozilla

San Francisco, CA
pcwalton.github.io
Joined November 2009

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    1. Patrick Walton‏ @pcwalton 22 Mar 2019
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      Replying to @BRIAN_____ @jugglerchris

      Something semi-language-level that might help in Rust would be to make spawning a process as easy as spawning a thread. This was actually a goal of Rust from *very* early on, and it was one of the goals I had in mind with ipc-channel.

      2 replies 0 retweets 10 likes
    2. Anthony Ramine‏ @nokusu 23 Mar 2019
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      Replying to @pcwalton @BRIAN_____ @jugglerchris

      In hindsight I don’t like how ipc-channels try to abstract over multiple OSes at once, proper IPC on macOS is quite alien compared to what I can see from Windows and Linux (need to delegate all process spawning operations to launchd with fancy plists).

      1 reply 0 retweets 0 likes
    3. Patrick Walton‏ @pcwalton 23 Mar 2019
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      Replying to @nokusu @BRIAN_____ @jugglerchris

      Don’t browsers need to abstract over multiple OS’s at once though? :)

      1 reply 0 retweets 0 likes
    4. Anthony Ramine‏ @nokusu 23 Mar 2019
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      Replying to @pcwalton @BRIAN_____ @jugglerchris

      Sure but our IPC on macOS makes us unable to do proper multiprocess and have niceties such as private GPU textures.

      1 reply 0 retweets 0 likes
    5. Anthony Ramine‏ @nokusu 23 Mar 2019
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      Replying to @nokusu @pcwalton and

      Webkit works on multiple OSes and yet properly uses XPC services on macOS.

      1 reply 0 retweets 0 likes
    6. Patrick Walton‏ @pcwalton 23 Mar 2019
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      Replying to @nokusu @BRIAN_____ @jugglerchris

      OK, then maybe ipc-channel should work differently. But I strongly believe there should be a way to write IPC and have it work cross-platform.

      1 reply 0 retweets 2 likes
    7. Patrick Walton‏ @pcwalton 23 Mar 2019
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      Replying to @pcwalton @nokusu and

      If you say “sorry, you have to write custom IPC for macOS because maybe you might want to share a texture” then Rust users are just not going to write multiprocess programs.

      1 reply 1 retweet 1 like
    8. Anthony Ramine‏ @nokusu 24 Mar 2019
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      Replying to @pcwalton @BRIAN_____ @jugglerchris

      Current state is “sorry but to share textures you need to make them global so that all processes can read it”, that doesn’t sound good either.

      1 reply 0 retweets 2 likes
      Patrick Walton‏ @pcwalton 25 Mar 2019
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      Replying to @nokusu @BRIAN_____ @jugglerchris

      We shouldn’t give up on a cross-platform IPC abstraction just because of texture sharing, which is something that basically only browsers and window managers need to do anyway.

      8:46 AM - 25 Mar 2019
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        2. Anthony Ramine‏ @nokusu 25 Mar 2019
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          Replying to @pcwalton @BRIAN_____ @jugglerchris

          Sure, but Servo maybe shouldn't be using ipc-channel then.

          2 replies 0 retweets 0 likes
        3. Anthony Ramine‏ @nokusu 25 Mar 2019
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          Replying to @nokusu @pcwalton and

          That being said, it's not just about texture sharing, ipc-channel IIRC works on macOS bv replacing the bootstrap Mach port and that's quite tacky in my book.

          1 reply 0 retweets 0 likes
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