opensolaris man page for lgrp_nlgrps

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

NAME
       lgrp_nlgrps - get number of lgroups

SYNOPSIS
       cc [ flag ... ] file... -llgrp [ library ... ]
       #include <sys/lgrp_user.h>

       int lgrp_nlgrps(lgrp_cookie_t cookie);

DESCRIPTION
       The  lgrp_nlgrps()  function  takes a cookie representing a snapshot of the lgroup hierarchy obtained from lgrp_init(3LGRP). It returns the
       number of lgroups in the hierarchy where the number is always at least one.

RETURN VALUES
       Upon successful completion, lgrp_nlgrps() returns the number of lgroups in the system. Otherwise, it returns -1 and sets errno to  indicate
       the error.

ERRORS
       The lgrp_nlgrps() 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	     |Evolving			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       lgrp_children(3LGRP), lgrp_init(3LGRP), lgrp_parents(3LGRP), liblgrp(3LIB), attributes(5)

SunOS 5.11							    16 Apr 2003 						lgrp_nlgrps(3LGRP)