lgrp_cpus man page on SmartOS

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LGRP_CPUS(3LGRP)					      LGRP_CPUS(3LGRP)

NAME
       lgrp_cpus - get CPU IDs contained in specified lgroup

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

       int lgrp_cpus(lgrp_cookie_t cookie, lgrp_id_t lgrp,
	    processorid_t *cpuids, uint_t count, int content);

DESCRIPTION
       The  lgrp_cpus() function takes a cookie representing a snapshot of the
       lgroup hierarchy obtained from lgrp_init(3LGRP) and returns the	number
       of  CPUs in the lgroup specified by lgrp. If both the cpuids[] argument
       is non-null and the count is non-zero, lgrp_cpus()  stores  up  to  the
       specified count of CPU IDs into the cpuids[] array.

       The  content  argument  should be set to one of the following values to
       specify whether the direct contents or everything in this lgroup should
       be returned:

	 LGRP_CONTENT_ALL	 /* everything in this lgroup */
	 LGRP_CONTENT_DIRECT	 /* directly contained in lgroup */
	 LGRP_CONTENT_HIERARCHY	 /* everything within this hierarchy (for
				    compatibility only, use LGRP_CONTENT_ALL) */

       The  LGRP_CONTENT_HIERARCHY  value  can	still  be  used,  but is being
       replaced by LGRP_CONTENT_ALL.

RETURN VALUES
       Upon successful completion, the number of CPUs in the given  lgroup  is
       returned.   Otherwise,  −1 is returned and errno is set to indicate the
       error.

ERRORS
       The lgrp_cpus() function will fail if:

       EINVAL
		 The specified cookie, lgroup ID, or one of the flags  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_init(3LGRP),      lgrp_mem_size(3LGRP),	lgrp_resources(3LGRP),
       liblgrp(3LIB), attributes(5)

				 Jan 26, 2005		      LGRP_CPUS(3LGRP)
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