SIMPLE SOLUTIONS

DEVICE_GET_CHILDREN(9FREEBSD) - man page online | system kernel interfaces

Get a list of devices connected to a device.

Chapter
August 23, 2008
DEVICE_GET_CHILDREN(9)            BSD Kernel Developer's Manual            DEVICE_GET_CHILDREN(9)

NAME

device_get_children — get a list of devices connected to a device

SYNOPSIS

#include <sys/param.h> #include <sys/bus.h> int device_get_children(device_t dev, device_t **devlistp, int *devcountp);

DESCRIPTION

Retrieve a list of all device instances currently connected to dev and return the list in *devlistp and the count in *devcountp. The memory allocated for the list should be freed using free(*devlistp, M_TEMP). devlistp and devcountp are not changed when an error is returned.

RETURN VALUES

Zero is returned on success, otherwise an appropriate error is returned.

SEE ALSO

devclass(9), device(9)

AUTHORS

This manual page was written by Doug Rabson.
BSD August 23, 2008 BSD
This manual Reference Other manuals
device_get_children(9freebsd) referred by bus_child_present(9freebsd) | device(9freebsd)
refer to devclass(9freebsd) | device(9freebsd)