xref: /titanic_52/usr/src/lib/libbc/libc/compat/4.1/vlimit.c (revision 5d54f3d8999eac1762fe0a8c7177d20f1f201fae)
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  */
22*5d54f3d8Smuffin /*
23*5d54f3d8Smuffin  * Copyright 1990 Sun Microsystems, Inc.  All rights reserved.
24*5d54f3d8Smuffin  * Use is subject to license terms.
25*5d54f3d8Smuffin  */
26*5d54f3d8Smuffin 
277c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
287c478bd9Sstevel@tonic-gate 
297c478bd9Sstevel@tonic-gate /*
307c478bd9Sstevel@tonic-gate  * (Almost) backwards compatible vlimit.
317c478bd9Sstevel@tonic-gate  */
327c478bd9Sstevel@tonic-gate #include <sys/time.h>
337c478bd9Sstevel@tonic-gate #include <sys/resource.h>
347c478bd9Sstevel@tonic-gate #include <errno.h>
357c478bd9Sstevel@tonic-gate 
367c478bd9Sstevel@tonic-gate /* LIM_NORAISE is not emulated */
377c478bd9Sstevel@tonic-gate #define	LIM_NORAISE	0	/* if <> 0, can't raise limits */
387c478bd9Sstevel@tonic-gate #define	LIM_CPU		1	/* max secs cpu time */
397c478bd9Sstevel@tonic-gate #define	LIM_FSIZE	2	/* max size of file created */
407c478bd9Sstevel@tonic-gate #define	LIM_DATA	3	/* max growth of data space */
417c478bd9Sstevel@tonic-gate #define	LIM_STACK	4	/* max growth of stack */
427c478bd9Sstevel@tonic-gate #define	LIM_CORE	5	/* max size of ``core'' file */
437c478bd9Sstevel@tonic-gate #define	LIM_MAXRSS	6	/* max desired data+stack core usage */
447c478bd9Sstevel@tonic-gate 
457c478bd9Sstevel@tonic-gate #define	NLIMITS		6
467c478bd9Sstevel@tonic-gate 
47*5d54f3d8Smuffin int
48*5d54f3d8Smuffin vlimit(int limit, int value)
497c478bd9Sstevel@tonic-gate {
507c478bd9Sstevel@tonic-gate 	struct rlimit rlim;
517c478bd9Sstevel@tonic-gate 
527c478bd9Sstevel@tonic-gate 	if (limit <= 0 || limit > NLIMITS)
537c478bd9Sstevel@tonic-gate 		return (EINVAL);
547c478bd9Sstevel@tonic-gate 	if (value == -1) {
557c478bd9Sstevel@tonic-gate 		if (getrlimit(limit - 1, &rlim) < 0)
567c478bd9Sstevel@tonic-gate 			return (-1);
577c478bd9Sstevel@tonic-gate 		return (rlim.rlim_cur);
587c478bd9Sstevel@tonic-gate 	}
597c478bd9Sstevel@tonic-gate 	rlim.rlim_cur = value;
607c478bd9Sstevel@tonic-gate 	rlim.rlim_max = RLIM_INFINITY;
617c478bd9Sstevel@tonic-gate 	return (setrlimit(limit - 1, &rlim));
627c478bd9Sstevel@tonic-gate }
63