diff options
Diffstat (limited to 'perl-install/printer.pm')
-rw-r--r-- | perl-install/printer.pm | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/perl-install/printer.pm b/perl-install/printer.pm index c671eb036..3276f3314 100644 --- a/perl-install/printer.pm +++ b/perl-install/printer.pm @@ -274,19 +274,23 @@ sub assure_device_is_available_for_cups { # file:/dev/null instead. Restart CUPS if necessary to assure that # CUPS knows the device. my ($device) = @_; - local *F; - open F, ($::testing ? $prefix : "chroot $prefix/ ") . - "/bin/sh -c \"export LC_ALL=C; /usr/sbin/lpinfo -v\" |" or + my $result; + for ($i = 0; $i < 3; $i++) { + local *F; + open F, ($::testing ? $prefix : "chroot $prefix/ ") . + "/bin/sh -c \"export LC_ALL=C; /usr/sbin/lpinfo -v\" |" or die "Could not run \"lpinfo\"!"; - while (my $line = <F>) { - if ($line =~ /$device/) { # Found a line containing the device name, - # so CUPS knows it. - close F; - return 1; + while (my $line = <F>) { + if ($line =~ /$device/) { # Found a line containing the device + # name, so CUPS knows it. + close F; + return 1; + } } + close F; + $result = SIGHUP_daemon("cups"); } - close F; - return SIGHUP_daemon("cups"); + return $result; } sub network_running { @@ -416,6 +420,11 @@ sub getIPsInLocalNetworks { # subroutine determines the list of all hosts reachable in the local # networks by means of pinging the broadcast addresses. + # Return an empty list if no network is running + if (!network_running()) { + return (); + } + # Read the output of "ifconfig" to determine the broadcast addresses of # the local networks my $dev_is_localnet = 0; |