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libudev: introduce clone_with_db()

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This allows us to move the db reading from udevd to libudev.

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
This commit is contained in:
Tom Gundersen 2015-03-06 15:22:30 +01:00 committed by Anthony G. Basile
parent e5df4c6a52
commit 5ddef03da1
3 changed files with 16 additions and 4 deletions
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14
src/libudev/libudev-device.c
View File

@ -1986,6 +1986,20 @@ struct udev_device *udev_device_shallow_clone(struct udev_device *old_device)
return device;
}
struct udev_device *udev_device_clone_with_db(struct udev_device *old_device)
{
struct udev_device *device;
device = udev_device_shallow_clone(old_device);
if (!device)
return NULL;
udev_device_read_db(device);
udev_device_set_info_loaded(device);
return device;
}
struct udev_device *udev_device_new_from_nulstr(struct udev *udev, char *nulstr, ssize_t buflen) {
struct udev_device *device;
ssize_t bufpos = 0;

1
src/libudev/libudev-private.h
View File

@ -39,6 +39,7 @@ int udev_get_rules_path(struct udev *udev, char **path[], usec_t *ts_usec[]);
/* libudev-device.c */
struct udev_device *udev_device_new_from_nulstr(struct udev *udev, char *nulstr, ssize_t buflen);
struct udev_device *udev_device_shallow_clone(struct udev_device *old_device);
struct udev_device *udev_device_clone_with_db(struct udev_device *old_device);
int udev_device_copy_properties(struct udev_device *dst, struct udev_device *src);
mode_t udev_device_get_devnode_mode(struct udev_device *udev_device);
uid_t udev_device_get_devnode_uid(struct udev_device *udev_device);

5
src/udev/udev-event.c
View File

@ -825,11 +825,8 @@ void udev_event_execute_rules(struct udev_event *event,
udev_device_delete_db(dev);
udev_device_tag_index(dev, NULL, false);
} else {
event->dev_db = udev_device_shallow_clone(dev);
event->dev_db = udev_device_clone_with_db(dev);
if (event->dev_db != NULL) {
udev_device_read_db(event->dev_db);
udev_device_set_info_loaded(event->dev_db);
/* disable watch during event processing */
if (major(udev_device_get_devnum(dev)) != 0)
udev_watch_end(event->udev, event->dev_db);