(with-monad %store-monad
(return (service
- (documentation
- "Set up networking via DHCP.")
+ (documentation "Set up networking via DHCP.")
(requirement '(user-processes udev))
+
+ ;; XXX: Running with '-nw' ("no wait") avoids blocking for a
+ ;; minute when networking is unavailable, but also means that the
+ ;; interface is not up yet when 'start' completes. To wait for
+ ;; the interface to be ready, one should instead monitor udev
+ ;; events.
(provision '(networking))
+
(start #~(lambda _
;; When invoked without any arguments, 'dhclient'
;; discovers all non-loopback interfaces *that are
(ifaces (filter valid?
(all-network-interfaces)))
(pid (fork+exec-command
- (cons* #$dhclient "-pf" #$pid-file
+ (cons* #$dhclient "-nw"
+ "-pf" #$pid-file
ifaces))))
(and (zero? (cdr (waitpid pid)))
(call-with-input-file #$pid-file read)))))