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UDEV_MONITOR_RECEIVE_DEVICE
Section: udev_monitor_receive_device (3) Updated: Index
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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
SYNOPSIS
#include <libudev.h>
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struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
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int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
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int udev_monitor_set_receive_buffer_size(struct udev_monitor *udev_monitor, int size);
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int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
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struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor);
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.
HISTORY
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.
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)
Index
- NAME
-
- SYNOPSIS
-
- RETURN VALUE
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- HISTORY
-
- SEE ALSO
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