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NAME

di_walk_lnode - traverse libdevinfo lnodes
 

SYNOPSIS

cc [ flag... ] file... -ldevinfo [ library... ] 
#include <libdevinfo.h>

int di_walk_lnode(di_node_t root, uint_t flag, void *arg,
    int (*lnode_callback)(di_lnode_t link, void *arg));

PARAMETERS

root

The handle to the root node of the subtree to visit.

flag

Specify 0. Reserved for future use.

arg

A pointer to caller-specific data.

lnode_callback

The caller-supplied callback function.

DESCRIPTION

The di_walk_lnode() function visits all nodes in the subtree rooted at root. For each node found, the caller-supplied function lnode_callback() is invoked for each lnode associated with that node. The return value of lnode_callback() specifies subsequent walking behavior where that node is the specified endpoint of the link.  

RETURN VALUES

Upon successful completion, di_walk_lnode() returns 0. Otherwise, -1 is returned and errno is set to indicate the error.

The callback function lnode_callback() can return one of the following:

DI_WALK_CONTINUE

Continue walking.

DI_WALK_TERMINATE

Terminate the walk immediately.

ERRORS

The di_walk_lnode() function will fail if:

EINVAL

An argument is invalid.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE Interface Stability Evolving MT-Level

SEE ALSO

di_init(3DEVINFO), libdevinfo(3LIB), attributes(5)

Index

NAME

SYNOPSIS

PARAMETERS

DESCRIPTION

RETURN VALUES

ERRORS

ATTRIBUTES

SEE ALSO

Партнёры:

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