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   rain 🌦️ :verified_trans: (rain@hachyderm.io)'s status on Tuesday, 05-Sep-2023 09:44:08 JST rain 🌦️ :verified_trans:

   • Bryan Cantrill

   Still thinking about the time I was debugging a process stopped by mdb with @bcantrill, and he mentioned continuing the process with some command (I think ::cont in mdb). I was like "oh, that's like kill -CONT" and he reacted with "we absolutely DO NOT use signals to do debugging on illumos"

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     Bryan Cantrill (bcantrill@mastodon.social)'s status on Tuesday, 05-Sep-2023 09:44:52 JST Bryan Cantrill

     in reply to

     @rain 🤣 "In THIS house, under THIS roof, we do not use job control for debugging!"

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     Haelwenn /элвэн/ :triskell: (lanodan@queer.hacktivis.me)'s status on Tuesday, 05-Sep-2023 09:48:51 JST Haelwenn /элвэн/ :triskell:

     in reply to

     • Bryan Cantrill
     @bcantrill @rain Not that I would use job control for debugging but it makes me wonder why it shouldn't be done.
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     Bryan Cantrill (bcantrill@mastodon.social)'s status on Tuesday, 05-Sep-2023 09:55:42 JST Bryan Cantrill

     in reply to

     • Haelwenn /элвэн/ :triskell:

     @lanodan @rain They are honestly just different ways for stopping and resuming a process; the reason to separate them is to allow them to co-exist. For more details, I would point you to seminal work of the late Roger Faulkner: https://www.usenix.org/memoriam-roger-faulkner

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     rain 🌦️ :verified_trans: (rain@hachyderm.io)'s status on Tuesday, 05-Sep-2023 12:19:22 JST rain 🌦️ :verified_trans:

     in reply to

     • Haelwenn /элвэн/ :triskell:
     • Bryan Cantrill

     @bcantrill @lanodan as a specific example, you can install a signal handler for SIGCONT and SIGTSTP (though not SIGSTOP). whatever the debugger does would ideally not cause those signal handlers to be triggered

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