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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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    Rich Felker‏ @RichFelker 1 Sep 2017

    Is there any terminology with traction for replacing "slave" in the sense of busses, ptys, etc.?

    7:42 PM - 1 Sep 2017
    • 2 Likes
    • Jevin Sweval Gabe Benjamin 🏳️‍🌈
    10 replies 0 retweets 2 likes
      1. Rich Felker‏ @RichFelker 1 Sep 2017

        A "path of low resistance" I see is master/subordinate (sub for short, also preserves acronyms like MISO/MOSI) but maybe too small a fix.

        1 reply 0 retweets 0 likes
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      1. New conversation
      2. Plore GrumpSec Spottycat  🏳️‍🌈 🐆‏ @kyhwana 1 Sep 2017
        Replying to @RichFelker

        Primary/secondary?

        1 reply 0 retweets 0 likes
      3. Rich Felker‏ @RichFelker 1 Sep 2017
        Replying to @kyhwana

        Are they in actual use? Convey intended relationship?

        1 reply 0 retweets 0 likes
      4. Plore GrumpSec Spottycat  🏳️‍🌈 🐆‏ @kyhwana 1 Sep 2017
        Replying to @RichFelker

        Usually, yeah.. otherwise you can go with "failover-x", "replica-x" or "backup-x". With pri/sec, you also have tertiary etc

        1 reply 0 retweets 0 likes
      5. Rich Felker‏ @RichFelker 1 Sep 2017
        Replying to @kyhwana

        I don't think failover or replica reflect the meaning. Idea is that one side directs/controls and the other follows its direction.

        2 replies 0 retweets 0 likes
      6. Rich Felker‏ @RichFelker 1 Sep 2017
        Replying to @RichFelker @kyhwana

        But using enslavement of human being as an analogy for this is rather awful and disgusting.

        0 replies 0 retweets 0 likes
      7. End of conversation
      1. New conversation
      2. Geoffrey Thomas, but spooky‏ @geofft 21 Nov 2017
        Replying to @RichFelker

        For ptys I suspect "monitor" and "session" are the right replacement. Same initials, more accurately describe the roles.

        2 replies 0 retweets 0 likes
      3. Rich Felker‏ @RichFelker 21 Nov 2017
        Replying to @geofft

        For ptys, they're almost pure peers. Only distinctions seem to be lack of a pathname to reopen the ptm side, and SIGWINCH only traveling one way. Maybe other sigs too?

        1 reply 0 retweets 0 likes
      4. Geoffrey Thomas, but spooky‏ @geofft 21 Nov 2017
        Replying to @RichFelker

        You can't turn the ptmx side into a controlling tty, make process groups, etc. Cooked mode only applies to writes to ptmx side. I think?

        2 replies 0 retweets 0 likes
      5. Rich Felker‏ @RichFelker 21 Nov 2017
        Replying to @geofft

        It should be possible to do cooked mode independently on either side, just like both sides of a serial tty, but I haven't checked.

        1 reply 0 retweets 0 likes
      6. Geoffrey Thomas, but spooky‏ @geofft 21 Nov 2017
        Replying to @RichFelker

        I think there is only one struct termios regardless of whether you call from M or S side? and cfmakeraw has no direction param

        1 reply 0 retweets 0 likes
      7. Rich Felker‏ @RichFelker 21 Nov 2017
        Replying to @geofft

        No, that would surely break horribly if the pts-side modes affected how the ptm side reads data. It's possible some modes don't work on ptm side, but they're NOT shared.

        1 reply 0 retweets 0 likes
      8. Geoffrey Thomas, but spooky‏ @geofft 21 Nov 2017
        Replying to @RichFelker

        Right - that's why I don't think there _is_ any cooked mode in that direction. Only ptm write -> pts read

        2 replies 0 retweets 0 likes
      9. Rich Felker‏ @RichFelker 21 Nov 2017
        Replying to @geofft

        I don't know so won't continue to speculate; surely it's testable if we care.

        1 reply 0 retweets 0 likes
      10. 1 more reply
      1. New conversation
      2. Laurent Bercot‏ @laurentbercot 2 Sep 2017
        Replying to @RichFelker

        I would love to replace master/slave terminology with dominant/submissive. ☺️

        1 reply 0 retweets 4 likes
      3. Danny Davos‏ @io_r_us 2 Sep 2017
        Replying to @laurentbercot @RichFelker

        ehr, client server ?

        1 reply 0 retweets 0 likes
      4. Laurent Bercot‏ @laurentbercot 2 Sep 2017
        Replying to @io_r_us @RichFelker

        No, client/server is a different partition of roles. You don't have a "client" tty and a "server" pty.

        1 reply 0 retweets 1 like
      5. Danny Davos‏ @io_r_us 2 Sep 2017
        Replying to @laurentbercot @RichFelker

        true

        0 replies 0 retweets 0 likes
      6. End of conversation
      1. New conversation
      2. Jonas Termansen‏ @sortiecat 2 Sep 2017
        Replying to @RichFelker

        Maybe master and pty. The master doesn't really control the other side, it's more like a bidirectional pipe with line discipline in the mid

        1 reply 0 retweets 0 likes
      3. Jonas Termansen‏ @sortiecat 2 Sep 2017
        Replying to @sortiecat @RichFelker

        So a better word for master may be the start. Pty remote. Pty sink. Etc.

        0 replies 0 retweets 1 like
      4. End of conversation

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