Re-entrant calls to "run" and "run_with_response" would poison the process state resulting in unexpected behavior. Use a lock to prevent this.
Signed-off-by: Eric Callahan <arksine.code@gmail.com>
Reset the command tracking data before each retry. If the command is cancelled by the user immediately break.
Signed-off-by: Eric Callahan <arksine.code@gmail.com>
Gives callers flexibility as to which signal is used to cancel a command first. By default shell_command will start with SIGTERM, then proceed to SIGKILL.
Signed-off-by: Eric Callahan <arksine.code@gmail.com>
