udev_monitor_ref(3) — Linux manual page



NAME         top

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

SYNOPSIS         top

       #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         top

       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         top

       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),

COLOPHON         top

       This page is part of the systemd (systemd system and service manager)
       project.  Information about the project can be found at 
       ⟨http://www.freedesktop.org/wiki/Software/systemd⟩.  If you have a bug
       report for this manual page, see
       ⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩.  This
       page was obtained from the project's upstream Git repository
       ⟨https://github.com/systemd/systemd.git⟩ on 2020-07-14.  (At that
       time, the date of the most recent commit that was found in the repos‐
       itory was 2020-07-14.)  If you discover any rendering problems in
       this HTML version of the page, or you believe there is a better or
       more up-to-date source for the page, or you have corrections or
       improvements to the information in this COLOPHON (which is not part
       of the original manual page), send a mail to man-pages@man7.org

systemd 246                                 UDEV_MONITOR_NEW_FROM_NETLINK(3)

Pages that refer to this page: 30-systemd-environment-d-generator(7)systemd.index(7)