Index · Directives systemd 239


udev_monitor_new_from_netlink, udev_monitor_ref, udev_monitor_unref — Create, acquire and release a udev monitor object


#include <libudev.h>
struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev,
 const char *name);
struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor);
struct udev_monitor *udev_monitor_unref(struct udev_monitor *udev_monitor);

Return Value

On success, udev_monitor_new_from_netlink() returns a pointer to the allocated udev monitor. On failure, NULL is returned. udev_monitor_ref() returns the argument that it was passed, unmodified. udev_monitor_unref() always returns NULL.

See Also

udev_new(3), udev_device_new_from_syspath(3), udev_enumerate_new(3), udev_monitor_filter_update(3), udev_monitor_receive_device(3), udev_list_entry(3), systemd(1),