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OpenSolaris 2009.06 - man page for lgrp_parents (opensolaris section 3lgrp)

lgrp_parents(3LGRP)					 Locality Group Library Functions				       lgrp_parents(3LGRP)

NAME
lgrp_parents - get parents of given lgroup
SYNOPSIS
cc [ flag ... ] file... -llgrp [ library ... ] #include <sys/lgrp_user.h> int lgrp_parents(lgrp_cookie_t cookie, lgrp_id_t child, lgrp_id_t *lgrp_array, uint_t lgrp_array_size);
DESCRIPTION
The lgrp_parents() function takes a cookie representing a snapshot of the lgroup hierarchy obtained from lgrp_init(3LGRP) and returns the number of parent lgroups of the specified lgroup. If lgrp_array is non-null and the lgrp_array_size is non-zero, the array is filled with as many of the parent lgroup IDs as will fit given the size of the array. For the root lgroup, the number of parents returned is 0 and the lgrp_array argument is not filled in.
RETURN VALUES
Upon successful completion, lgrp_parents() returns the number of parent lgroup IDs. Otherwise, -1 is returned and errno is set to indicate the error.
ERRORS
The lgrp_parents() function will fail if: EINVAL The specified cookie or lgroup ID is not valid. ESRCH The specified lgroup ID was not found.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+
SEE ALSO
lgrp_children(3LGRP), lgrp_init(3LGRP), lgrp_nlgrps(3LGRP), liblgrp(3LIB), attributes(5) SunOS 5.11 16 Apr 2003 lgrp_parents(3LGRP)

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