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Seung Joo Ahn's blogs
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[Day 8] Linux Pipes Are Just Plumbing — And I Already Had the Wrenches
Apr 23 · 8 min read · Day 7 ended with a real shift in how I think about sockets. The kernel owns them. Processes just hold pickup tickets. accept() isn't accepting — it's picking up what the kernel already prepared. Today
Join discussion[Day 7] The Process Went to Sleep — and the Kernel Kept Working
Apr 22 · 12 min read · In Day 6, I watched a single connection arrive at the server and saw two fds show up instead of one. The listening socket (fd 3) stayed at the door, and a new connected socket (fd 4) was created for t
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