Module process 

Standalone process lifecycle functions for the SSH agent daemon.

Each function handles a single concern (PID files, signal checks, process spawning, termination) and is independently testable without a running Unix socket.

Functions

cleanup_stale_files

Remove stale daemon files (PID file, socket, environment file).

is_process_running

Check whether a process with the given PID is running.

read_pid_file

Read a process ID from a PID file, returning None if the file does not exist.

socket_is_connectable

Test whether a Unix domain socket at path accepts connections.

spawn_detached

Spawn a detached daemon process by re-executing the current binary.

terminate_process

Send SIGTERM to a process and wait for it to exit, escalating to SIGKILL if it does not terminate within timeout.

write_pid_file

Write a process ID to a PID file with restricted permissions.