158f0484fSRodney W. Grimes /* 258f0484fSRodney W. Grimes * Copyright (c) 1989, 1993 358f0484fSRodney W. Grimes * The Regents of the University of California. All rights reserved. 458f0484fSRodney W. Grimes * 558f0484fSRodney W. Grimes * Redistribution and use in source and binary forms, with or without 658f0484fSRodney W. Grimes * modification, are permitted provided that the following conditions 758f0484fSRodney W. Grimes * are met: 858f0484fSRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 958f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer. 1058f0484fSRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 1158f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 1258f0484fSRodney W. Grimes * documentation and/or other materials provided with the distribution. 1358f0484fSRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 1458f0484fSRodney W. Grimes * must display the following acknowledgement: 1558f0484fSRodney W. Grimes * This product includes software developed by the University of 1658f0484fSRodney W. Grimes * California, Berkeley and its contributors. 1758f0484fSRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 1858f0484fSRodney W. Grimes * may be used to endorse or promote products derived from this software 1958f0484fSRodney W. Grimes * without specific prior written permission. 2058f0484fSRodney W. Grimes * 2158f0484fSRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2258f0484fSRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2358f0484fSRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2458f0484fSRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2558f0484fSRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2658f0484fSRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2758f0484fSRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2858f0484fSRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2958f0484fSRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3058f0484fSRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3158f0484fSRodney W. Grimes * SUCH DAMAGE. 3258f0484fSRodney W. Grimes */ 3358f0484fSRodney W. Grimes 3458f0484fSRodney W. Grimes #if defined(LIBC_SCCS) && !defined(lint) 3558f0484fSRodney W. Grimes static char sccsid[] = "@(#)sigcompat.c 8.1 (Berkeley) 6/2/93"; 3658f0484fSRodney W. Grimes #endif /* LIBC_SCCS and not lint */ 3758f0484fSRodney W. Grimes 3858f0484fSRodney W. Grimes #include <sys/param.h> 3958f0484fSRodney W. Grimes #include <signal.h> 4058f0484fSRodney W. Grimes 4158f0484fSRodney W. Grimes sigvec(signo, sv, osv) 4258f0484fSRodney W. Grimes int signo; 4358f0484fSRodney W. Grimes struct sigvec *sv, *osv; 4458f0484fSRodney W. Grimes { 4558f0484fSRodney W. Grimes int ret; 4658f0484fSRodney W. Grimes 4758f0484fSRodney W. Grimes if (sv) 4858f0484fSRodney W. Grimes sv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */ 4958f0484fSRodney W. Grimes ret = sigaction(signo, (struct sigaction *)sv, (struct sigaction *)osv); 5058f0484fSRodney W. Grimes if (ret == 0 && osv) 5158f0484fSRodney W. Grimes osv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */ 5258f0484fSRodney W. Grimes return (ret); 5358f0484fSRodney W. Grimes } 5458f0484fSRodney W. Grimes 5558f0484fSRodney W. Grimes sigsetmask(mask) 5658f0484fSRodney W. Grimes int mask; 5758f0484fSRodney W. Grimes { 5858f0484fSRodney W. Grimes int omask, n; 5958f0484fSRodney W. Grimes 6058f0484fSRodney W. Grimes n = sigprocmask(SIG_SETMASK, (sigset_t *) &mask, (sigset_t *) &omask); 6158f0484fSRodney W. Grimes if (n) 6258f0484fSRodney W. Grimes return (n); 6358f0484fSRodney W. Grimes return (omask); 6458f0484fSRodney W. Grimes } 6558f0484fSRodney W. Grimes 6658f0484fSRodney W. Grimes sigblock(mask) 6758f0484fSRodney W. Grimes int mask; 6858f0484fSRodney W. Grimes { 6958f0484fSRodney W. Grimes int omask, n; 7058f0484fSRodney W. Grimes 7158f0484fSRodney W. Grimes n = sigprocmask(SIG_BLOCK, (sigset_t *) &mask, (sigset_t *) &omask); 7258f0484fSRodney W. Grimes if (n) 7358f0484fSRodney W. Grimes return (n); 7458f0484fSRodney W. Grimes return (omask); 7558f0484fSRodney W. Grimes } 7658f0484fSRodney W. Grimes 7758f0484fSRodney W. Grimes sigpause(mask) 7858f0484fSRodney W. Grimes int mask; 7958f0484fSRodney W. Grimes { 8058f0484fSRodney W. Grimes return (sigsuspend((sigset_t *)&mask)); 8158f0484fSRodney W. Grimes } 82