udev_enumerate_new3
Create, acquire and release a udev enumerate object
Usage
#include <libudev.h>
struct udev_enumerate *udev_enumerate_new(struct udev *udev);
struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate);
struct udev_enumerate *udev_enumerate_unref(struct udev_enumerate *udev_enumerate);
Overview
udev_enumerate_new() creates an enumeration context to scan /sys/.
udev_enumerate_ref() takes a reference of an enumeration context.
udev_enumerate_unref() drops a reference of an enumeration context. If the refcount reaches zero, all resources of the enumeration context will be released.
Return value
On success, udev_enumerate_new() returns a pointer to the allocated enumeration object. On failure, NULL is returned. udev_enumerate_ref() returns the argument that it was passed, unmodified. udev_enumerate_unref() always returns NULL.
Releases
6 releases since Debian 9 (Stretch); the text changed 5 times.