1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if defined(LIBC_SCCS) && !defined(lint) 31 static char *rcsid = "$OpenBSD: sigcompat.c,v 1.4 2003/06/11 21:03:10 deraadt Exp $"; 32 #endif /* LIBC_SCCS and not lint */ 33 34 #include <sys/param.h> 35 #include <signal.h> 36 37 int 38 sigvec(int signo, struct sigvec *sv, struct sigvec *osv) 39 { 40 int ret; 41 struct sigvec nsv; 42 43 if (sv) { 44 nsv = *sv; 45 nsv.sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */ 46 } 47 ret = sigaction(signo, sv ? (struct sigaction *)&nsv : NULL, 48 (struct sigaction *)osv); 49 if (ret == 0 && osv) 50 osv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */ 51 return (ret); 52 } 53 54 int 55 sigsetmask(int mask) 56 { 57 int omask, n; 58 59 n = sigprocmask(SIG_SETMASK, (sigset_t *) &mask, (sigset_t *) &omask); 60 if (n) 61 return (n); 62 return (omask); 63 } 64 65 int 66 sigblock(int mask) 67 { 68 int omask, n; 69 70 n = sigprocmask(SIG_BLOCK, (sigset_t *) &mask, (sigset_t *) &omask); 71 if (n) 72 return (n); 73 return (omask); 74 } 75 76 int 77 sigpause(int mask) 78 { 79 return (sigsuspend((sigset_t *)&mask)); 80 } 81