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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 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 "lint.h" 30 #include <signal.h> 31 #include <sys/syscall.h> 32 33 int 34 __lwp_sigmask(int how, const sigset_t *set, sigset_t *oset) 35 { 36 sysret_t rval; 37 uint_t mask0; 38 uint_t mask1; 39 40 if (set) { 41 mask0 = set->__sigbits[0]; 42 mask1 = set->__sigbits[1]; 43 } else { 44 how = 0; 45 mask0 = mask1 = 0; 46 } 47 48 (void) __systemcall(&rval, SYS_lwp_sigmask, how, mask0, mask1); 49 50 if (oset) { 51 oset->__sigbits[0] = (uint_t)rval.sys_rval1; 52 oset->__sigbits[1] = (uint_t)rval.sys_rval2; 53 oset->__sigbits[2] = 0; 54 oset->__sigbits[3] = 0; 55 } 56 57 return (0); 58 } 59