dk[?] List, send, get, set, signal handlers of child

Usage: dk Signal commands

• dk List all signal handlers of child process
• dk <signal> Send KILL signal to child
• dk <signal>=1 Set signal handler for in child

• dk?<signal> Name/signum resolver

• dko[?] <signal> Reset skip or cont options for given signal

• dko <signal> [|skip|cont] On signal SKIP handler or CONT into

• dkj List all signal handlers in JSON