{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"Oxide and Friends","title":"from /proc to proc_macro","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/16ca2dd5\"></iframe>","width":"100%","height":180,"duration":3950,"description":"Oxide and Friends Twitter Space: May 24, 2021\nfrom /proc to proc_macro\nWe’ve been holding a Twitter Space weekly on Mondays at 5p for about an hour. In addition to Bryan Cantrill and Adam Leventhal, speakers included Brian Cantrell (not making that one up!), Nima Johari, Joshua Clulow, Laura Abbott, and Tom Lyon. The recording is here.\n(Did we miss your name and/or get it wrong? Drop a PR!)\nSome of the topics we hit on, in the order that we hit them:\nThe other Adam Leventhal [1] and the other AHL [2]\n[@3:16](https://youtu.be/85eApYSj3ic?t=196) Hockey Calder Cup\nCharlotte Checkers\nGrand Rapids Griffins\n[@4:02](https://youtu.be/85eApYSj3ic?t=242) Roger Faulkner invented the /proc filesystem\nGerald Ford Presidential Library and MuseumGerald Ford inaugural address (including its most famous line, “our long national nightmare is over”) > I went in a Gerald Ford cynic, and came out a Gerald Ford super-fan\nRoger’s “The Process File System and Process Model in UNIX System V” paper\n[@7:43](https://youtu.be/85eApYSj3ic?t=463) “I am on a mission from God to make programs debuggable” AVL trees and linked lists > Performance is the root of all evil.\nTrace Normal Form\nWatchpoints, libwatchmalloc > Watchpoints are magical, when they work. It feels like a superpower.\n[@11:37](https://youtu.be/85eApYSj3ic?t=697) > Roger made this incredible contribution about debugging infrastructure > being an attribute of a production system. strace, truss\nBONUS: 1986 USENIX: A System Call Tracer in UNIX\nThe ptrace(2) system call\nptrace’s overloading of the wait(2) system call\nThe German word that we’re seeking: Misappropriation-of-mechanism-in-a-seemingly-clever way-but-is-ultimately-a-disaster > ptrace is the x86 of system calls\n[@16:45](https://youtu.be/85eApYSj3ic?t=1005) A long-coming apology.. Linux branded zones (LX)\n“Method and system for child-parent mechanism emulation via a general interface” patent > You have to be bug-for-bug compatible.\nLX vfork/signal bug that broke golang >...","thumbnail_url":"https://img.transistorcdn.com/cVYTzMGAZ_7gNn2i7iJYSuWlQOM4wHdJAzEuWrnLo9A/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS80OGI3/NjA5NWY4Yjc4NzE0/ZGI5ZmMzZmY4MjFi/YThiYy5wbmc.webp","thumbnail_width":300,"thumbnail_height":300}