Tag
linux
- Jun 29, 2024 pidfd: A Process Handle That Cannot Be Reused A process id is recycled the moment a process is reaped, so any operation addressed by pid can hit an unrelated process. A pidfd refers to the process object itself and closes the race. systems programming
- Jun 27, 2024 io_uring: Shared Rings, Submission Entries, and Completion Ordering How a submission queue and a completion queue are mapped into the process, what the two barriers protect, and why a batched interface changes the cost of a system call. systems programming