lgrp_root(3LGRP) Locality Group Library Functions lgrp_root(3LGRP)NAMElgrp_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(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Committed │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOlgrp_children(3LGRP), lgrp_init(3LGRP), lgrp_nlgrps(3LGRP), lgrp_par‐
ents(3LGRP), liblgrp(3LIB), attributes(5)SunOS 5.11 31 Jan 2008 lgrp_root(3LGRP)