X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fdevice.c;h=5289da3e42ef210896f4bb11c9cf3640415ab0ee;hb=26742b3fd8776c6c64e3c1035adc2599ddeb76d1;hp=5c18d996eaf76f53630a6c6f8ba9d19be62114a0;hpb=8c4dd542afde23d21d736b24b5ab66c25ab091e8;p=elogind.git diff --git a/src/device.c b/src/device.c index 5c18d996e..5289da3e4 100644 --- a/src/device.c +++ b/src/device.c @@ -92,7 +92,7 @@ static void device_set_state(Device *d, DeviceState state) { device_state_to_string(old_state), device_state_to_string(state)); - unit_notify(UNIT(d), state_translation_table[old_state], state_translation_table[state]); + unit_notify(UNIT(d), state_translation_table[old_state], state_translation_table[state], true); } static int device_coldplug(Unit *u) { @@ -468,6 +468,11 @@ static int device_enumerate(Manager *m) { goto fail; } + /* This will fail if we are unprivileged, but that + * should not matter much, as user instances won't run + * during boot. */ + udev_monitor_set_receive_buffer_size(m->udev_monitor, 128*1024*1024); + if (udev_monitor_filter_add_match_tag(m->udev_monitor, "systemd") < 0) { r = -ENOMEM; goto fail; @@ -524,10 +529,21 @@ void device_fd_event(Manager *m, int events) { const char *action; assert(m); - assert(events == EPOLLIN); + + if (events != EPOLLIN) { + static RATELIMIT_DEFINE(limit, 10*USEC_PER_SEC, 5); + + if (!ratelimit_test(&limit)) + log_error("Failed to get udev event: %m"); + if (!(events & EPOLLIN)) + return; + } if (!(dev = udev_monitor_receive_device(m->udev_monitor))) { - log_error("Failed to receive device."); + /* + * libudev might filter-out devices which pass the bloom filter, + * so getting NULL here is not neccessarily an error + */ return; }