search for: old_cb

...# We do not use the more obvious Process.kill(sig, $$) here since + # that signal delivery may be deferred. We want to avoid signal delivery + # while the Rack app.call is running because some database drivers + # (e.g. ruby-pg) may cancel pending requests. + def fake_sig(sig) # :nodoc: + old_cb = trap(sig, "IGNORE") + old_cb.call + ensure + trap(sig, old_cb) + end + + # master sends fake signals to children + def soft_kill(sig) # :nodoc: + case sig + when Integer + signum = sig + else + signum = Signal.list[sig.to_s] or + raise ArgumentError...