1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1990 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/time.h> 30 #include <sys/resource.h> 31 32 /* 33 * getdtablesize is implemented on top of getrlimit's 34 * RLIMIT_NOFILE feature. The current (Soft) limit is 35 * returned. 36 */ 37 38 int 39 getdtablesize(void) 40 { 41 int nds; 42 int error; 43 struct rlimit rip; 44 45 error = getrlimit(RLIMIT_NOFILE, &rip); 46 if ( error < 0 ) 47 return (-1); 48 else 49 return (rip.rlim_cur); 50 } 51