xref: /titanic_51/usr/src/cmd/pagesize/pagesize.c (revision 43a291055ab3951f6372241323fd4e2486098fff)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*
23*43a29105Srobbin  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
287c478bd9Sstevel@tonic-gate /*	  All Rights Reserved	*/
297c478bd9Sstevel@tonic-gate 
307c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate #include <stdio.h>
337c478bd9Sstevel@tonic-gate #include <locale.h>
347c478bd9Sstevel@tonic-gate #include <stdlib.h>
357c478bd9Sstevel@tonic-gate #include <unistd.h>
367c478bd9Sstevel@tonic-gate #include <sys/mman.h>
377c478bd9Sstevel@tonic-gate 
387c478bd9Sstevel@tonic-gate int
39*43a29105Srobbin main(int argc, char *argv[])
407c478bd9Sstevel@tonic-gate {
417c478bd9Sstevel@tonic-gate 
427c478bd9Sstevel@tonic-gate 	int c, mps = 0;
437c478bd9Sstevel@tonic-gate 	size_t *buf;
447c478bd9Sstevel@tonic-gate 	int nelem, i;
457c478bd9Sstevel@tonic-gate 
467c478bd9Sstevel@tonic-gate 	(void) setlocale(LC_ALL, "");
477c478bd9Sstevel@tonic-gate #if !defined(TEXT_DOMAIN)	/* Should be defined by cc -D */
487c478bd9Sstevel@tonic-gate #define	TEXT_DOMAIN "SYS_TEST"	/* Use this only if it weren't */
497c478bd9Sstevel@tonic-gate #endif
507c478bd9Sstevel@tonic-gate 	(void) textdomain(TEXT_DOMAIN);
517c478bd9Sstevel@tonic-gate 
527c478bd9Sstevel@tonic-gate 	while ((c = getopt(argc, (char * const *)argv, "a")) != -1) {
537c478bd9Sstevel@tonic-gate 		switch (c) {
547c478bd9Sstevel@tonic-gate 		case 'a':
557c478bd9Sstevel@tonic-gate 			mps = 1;
567c478bd9Sstevel@tonic-gate 			break;
577c478bd9Sstevel@tonic-gate 		case '?':
587c478bd9Sstevel@tonic-gate 			(void) fprintf(stderr,
597c478bd9Sstevel@tonic-gate 					gettext("usage: pagesize [-a]\n"));
607c478bd9Sstevel@tonic-gate 			exit(1);
617c478bd9Sstevel@tonic-gate 		}
627c478bd9Sstevel@tonic-gate 	}
637c478bd9Sstevel@tonic-gate 
647c478bd9Sstevel@tonic-gate 	if (!mps) {
657c478bd9Sstevel@tonic-gate 		(void) printf("%d\n", getpagesize());
667c478bd9Sstevel@tonic-gate 		exit(0);
677c478bd9Sstevel@tonic-gate 	}
687c478bd9Sstevel@tonic-gate 
697c478bd9Sstevel@tonic-gate 	nelem = getpagesizes(NULL, 0);
707c478bd9Sstevel@tonic-gate 	if (nelem < 2) {
717c478bd9Sstevel@tonic-gate 		(void) printf("%d\n", getpagesize());
727c478bd9Sstevel@tonic-gate 		exit(0);
737c478bd9Sstevel@tonic-gate 	}
747c478bd9Sstevel@tonic-gate 
757c478bd9Sstevel@tonic-gate 	if ((buf = (size_t *)malloc(sizeof (*buf) * nelem)) == NULL) {
767c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr, gettext("Can't get memory\n"));
777c478bd9Sstevel@tonic-gate 		exit(1);
787c478bd9Sstevel@tonic-gate 	}
797c478bd9Sstevel@tonic-gate 
807c478bd9Sstevel@tonic-gate 	nelem = getpagesizes(buf, nelem);
817c478bd9Sstevel@tonic-gate 	for (i = 0; i < nelem; i++) {
827c478bd9Sstevel@tonic-gate 		(void) fprintf(stdout, "%d\n", buf[i]);
837c478bd9Sstevel@tonic-gate 	}
847c478bd9Sstevel@tonic-gate 	free(buf);
857c478bd9Sstevel@tonic-gate 	return (0);
867c478bd9Sstevel@tonic-gate }
87