запрос и изменение монитора устройства (query and modify device monitor)
Имя (Name)
udev_monitor_receive_device, udev_monitor_enable_receiving,
udev_monitor_set_receive_buffer_size, udev_monitor_get_fd,
udev_monitor_get_udev - Query and modify device monitor
Синопсис (Synopsis)
#include <libudev.h>
struct udev_device
*udev_monitor_receive_device(struct udev_monitor *udev_monitor);
int
udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
int
udev_monitor_set_receive_buffer_size(struct udev_monitor *udev_monitor,
int size);
int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
struct udev
*udev_monitor_get_udev(struct udev_monitor *udev_monitor);
Возвращаемое значение (Return value)
On success, udev_monitor_receive_device() returns a pointer to a
newly referenced device that was received via the monitor. The
caller is responsible to drop this reference when done. On
failure, NULL is returned.
On success, udev_monitor_enable_receiving() and
udev_monitor_set_receive_buffer_size() return an integer greater
than, or equal to, 0. On failure, a negative error code is
returned.
On success, udev_monitor_get_fd() returns the file descriptor
used by this monitor. On failure, a negative error code is
returned.
udev_monitor_get_udev() always returns a pointer to the udev
context that this monitor is associated with.
Смотри также (See also)
udev_new(3), udev_device_new_from_syspath(3),
udev_enumerate_new(3), udev_monitor_new_from_netlink(3),
udev_monitor_filter_update(3), udev_list_entry(3), systemd(1),
