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  1. Embed this notice
    Chris Siebenmann (cks@mastodon.social)'s status on Tuesday, 05-Nov-2024 06:26:43 JST Chris Siebenmann Chris Siebenmann

    Blog post: The history of Unix's ioctl and signal about window sizes https://utcc.utoronto.ca/~cks/space/blog/unix/WindowSizeIoctlAndSignal (in which a post from @ireneista kind of nerd-sniped me and I kept digging)

    tl;dr: SIGWINCH came from very early SunOS, and appears to have originally been intended for graphical programs (the early SunOS window system was partly kernel based). The TIOCGWINSZ ioctl is first officially documented in 4.3 BSD but may have been present in early SunOS too (it is in 3.5).

    In conversation about 8 months ago from mastodon.social permalink

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    • Haelwenn /элвэн/ :triskell: likes this.
    • Embed this notice
      Clifton Royston (cliftonr@wandering.shop)'s status on Wednesday, 06-Nov-2024 06:13:09 JST Clifton Royston Clifton Royston
      in reply to

      @cks @ireneista

      As usual I have fixated on a small tangential point mentioned in this history:

      So there was a SIGLOST signal at one time, to signal that a resource (or lock) was lost, but then it got lost?!?

      That seems entirely too fitting, like something out of HHG2G.

      In conversation about 8 months ago permalink
      Haelwenn /элвэн/ :triskell: likes this.

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