LGRP_ROOT(3LGRP) Locality Group Library Functions LGRP_ROOT(3LGRP)
NAME
lgrp_root - return root lgroup ID
SYNOPSIS
cc [
flag ... ]
file...
-llgrp [
library ... ]
#include <sys/lgrp_user.h>
lgrp_id_t lgrp_root(
lgrp_cookie_t cookie);
DESCRIPTION
The
lgrp_root() function returns the root lgroup ID.
RETURN VALUES
Upon successful completion,
lgrp_root() returns the lgroup ID of the
root lgroup. Otherwise, it returns -1 and sets
errno to indicate the
error.
ERRORS
The
lgrp_root() function will fail if:
EINVAL The
cookie is not valid.
ATTRIBUTES
See
attributes(7) for descriptions of the following attributes:
+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Committed |
+--------------------+-----------------+
|MT-Level | MT-Safe |
+--------------------+-----------------+
SEE ALSO
lgrp_children(3LGRP),
lgrp_init(3LGRP),
lgrp_nlgrps(3LGRP),
lgrp_parents(3LGRP),
liblgrp(3LIB),
attributes(7) January 31, 2008 LGRP_ROOT(3LGRP)
