pidfile: PID file locking and management with RAII semantics
PID files are a crude form of locking which uses the filesystem to ensure that only one instance of a program is running at a time. This crate provides a simple API for creating and managing PID files in a way that is safe and easy to use. PID Files will be cleaned up on drop, and can be checked for existence and validity.
There is already a pidfile crate, but it is not updated. This one
is a more modern approach to the same problem, and on crates.io as pidfile2.