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NAME | SYNOPSIS | RETURN VALUE | HISTORY | SEE ALSO | COLOPHON |
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UDEV_MO...E_DEVICE(3) udev_monitor_receive_device UDEV_MO...E_DEVICE(3)
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
#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);
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.
udev_monitor_receive_device(), udev_monitor_enable_receiving(),
udev_monitor_set_receive_buffer_size(), udev_monitor_get_fd(),
and udev_monitor_get_udev() were added in version 221.
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)
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 2024-06-14. (At that
time, the date of the most recent commit that was found in the
repository was 2024-06-13.) 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
[email protected]
systemd 257~devel UDEV_MO...E_DEVICE(3)
Pages that refer to this page: udev_device_new_from_syspath(3), udev_monitor_filter_update(3), udev_monitor_new_from_netlink(3), systemd.directives(7), systemd.index(7)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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