diff options
| -rw-r--r-- | udev/lib/exported_symbols | 1 | ||||
| -rw-r--r-- | udev/lib/libudev-queue.c | 19 | ||||
| -rw-r--r-- | udev/lib/libudev.h | 1 |
3 files changed, 20 insertions, 1 deletions
diff --git a/udev/lib/exported_symbols b/udev/lib/exported_symbols index da84a8939e..abb6ae3a57 100644 --- a/udev/lib/exported_symbols +++ b/udev/lib/exported_symbols @@ -59,6 +59,7 @@ udev_queue_unref udev_queue_get_udev udev_queue_get_kernel_seqnum udev_queue_get_udev_seqnum +udev_queue_get_udev_is_active udev_queue_get_queue_is_empty udev_queue_get_seqnum_is_finished udev_queue_get_queued_list_entry diff --git a/udev/lib/libudev-queue.c b/udev/lib/libudev-queue.c index 28d877749d..51878dab67 100644 --- a/udev/lib/libudev-queue.c +++ b/udev/lib/libudev-queue.c @@ -133,6 +133,20 @@ unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue) return seqnum; } +int udev_queue_get_udev_is_active(struct udev_queue *udev_queue) +{ + char filename[UTIL_PATH_SIZE]; + struct stat statbuf; + + if (udev_queue == NULL) + return 0; + util_strlcpy(filename, udev_get_dev_path(udev_queue->udev), sizeof(filename)); + util_strlcat(filename, "/.udev/uevent_seqnum", sizeof(filename)); + if (stat(filename, &statbuf) == 0) + return 1; + return 0; +} + int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue) { char queuename[UTIL_PATH_SIZE]; @@ -152,7 +166,10 @@ int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue) dbg(udev_queue->udev, "queue is empty\n"); return 1; } - udev_queue_get_udev_seqnum(udev_queue); + /* update udev seqnum, and check if udev is still running */ + if (udev_queue_get_udev_seqnum(udev_queue) == 0) + if (!udev_queue_get_udev_is_active(udev_queue)) + return 1; if (seqnum_kernel <= udev_queue->last_seen_udev_seqnum) { dbg(udev_queue->udev, "queue is empty\n"); return 1; diff --git a/udev/lib/libudev.h b/udev/lib/libudev.h index 041ffd4dd9..ea6c9ddf02 100644 --- a/udev/lib/libudev.h +++ b/udev/lib/libudev.h @@ -113,6 +113,7 @@ extern void udev_queue_unref(struct udev_queue *udev_queue); extern struct udev *udev_queue_get_udev(struct udev_queue *udev_queue); extern unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue); extern unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue); +extern int udev_queue_get_udev_is_active(struct udev_queue *udev_queue); extern int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue); extern int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum); extern struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue); |