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A decision guide for picking fork, vfork, or clone in Unix-like systems, comparing overhead, memory sharing and portability with a concrete C example and validation steps using strace.
Goal: guarantee that a memoized subroutine returns up‑to‑date data when the underlying external resource (e.g., a file or database) changes, including after a process fork where the child should see its own environment. Constraints: the Memoize module stores results keyed only by argument values and never expires entries automatically; after a fork the child
Unix Domain Socket File Descriptor Inheritance in Forked Processes Unix domain sockets provide efficient inter-process communication through filesystem-based addressing, where the socket file serves as both address and endpoint. When a process creates a Unix domain socket and then forks, the child process inherits the file descriptor by default. However, the
unix
perl