Module uevent 

Kernel uevent socket helpers.

Provides a non-blocking NETLINK_KOBJECT_UEVENT socket for receiving kernel uevents (power supply changes, hotplug events, etc.).

Functions

drain_battery

Drain all pending uevent messages; return the last power_supply event seen.

open

Open a non-blocking NETLINK_KOBJECT_UEVENT socket bound to all kernel groups.

recv

Receive one raw uevent message. Returns the number of bytes written into buf, or None if no message is pending (EAGAIN).