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) 35e25ad0cbSMarcel Moolenaar #if 0 3658f0484fSRodney W. Grimes static char sccsid[] = "@(#)sigcompat.c 8.1 (Berkeley) 6/2/93"; 37e25ad0cbSMarcel Moolenaar #endif 38e25ad0cbSMarcel Moolenaar static const char rcsid[] = 39e25ad0cbSMarcel Moolenaar "$FreeBSD$"; 4058f0484fSRodney W. Grimes #endif /* LIBC_SCCS and not lint */ 4158f0484fSRodney W. Grimes 4258f0484fSRodney W. Grimes #include <sys/param.h> 4358f0484fSRodney W. Grimes #include <signal.h> 4458f0484fSRodney W. Grimes 4551295a4dSJordan K. Hubbard int 4658f0484fSRodney W. Grimes sigvec(signo, sv, osv) 4758f0484fSRodney W. Grimes int signo; 4858f0484fSRodney W. Grimes struct sigvec *sv, *osv; 4958f0484fSRodney W. Grimes { 502bc2b292SJohn Polstra struct sigaction sa, osa; 512bc2b292SJohn Polstra struct sigaction *sap, *osap; 5258f0484fSRodney W. Grimes int ret; 5358f0484fSRodney W. Grimes 542bc2b292SJohn Polstra if (sv != NULL) { 552bc2b292SJohn Polstra sa.sa_handler = sv->sv_handler; 562bc2b292SJohn Polstra sa.sa_flags = sv->sv_flags ^ SV_INTERRUPT; 572bc2b292SJohn Polstra sigemptyset(&sa.sa_mask); 582bc2b292SJohn Polstra sa.sa_mask.__bits[0] = sv->sv_mask; 592bc2b292SJohn Polstra sap = &sa; 602bc2b292SJohn Polstra } else 612bc2b292SJohn Polstra sap = NULL; 622bc2b292SJohn Polstra osap = osv != NULL ? &osa : NULL; 632bc2b292SJohn Polstra ret = sigaction(signo, sap, osap); 642bc2b292SJohn Polstra if (ret == 0 && osv != NULL) { 652bc2b292SJohn Polstra osv->sv_handler = osa.sa_handler; 662bc2b292SJohn Polstra osv->sv_flags = osa.sa_flags ^ SV_INTERRUPT; 672bc2b292SJohn Polstra osv->sv_mask = osa.sa_mask.__bits[0]; 682bc2b292SJohn Polstra } 6958f0484fSRodney W. Grimes return (ret); 7058f0484fSRodney W. Grimes } 7158f0484fSRodney W. Grimes 7251295a4dSJordan K. Hubbard int 7358f0484fSRodney W. Grimes sigsetmask(mask) 7458f0484fSRodney W. Grimes int mask; 7558f0484fSRodney W. Grimes { 763cf3c5d9SMarcel Moolenaar sigset_t set, oset; 77e25ad0cbSMarcel Moolenaar int n; 7858f0484fSRodney W. Grimes 793cf3c5d9SMarcel Moolenaar sigemptyset(&set); 803cf3c5d9SMarcel Moolenaar set.__bits[0] = mask; 81e25ad0cbSMarcel Moolenaar n = sigprocmask(SIG_SETMASK, &set, &oset); 82e25ad0cbSMarcel Moolenaar if (n) 83e25ad0cbSMarcel Moolenaar return (n); 843cf3c5d9SMarcel Moolenaar return (oset.__bits[0]); 8558f0484fSRodney W. Grimes } 8658f0484fSRodney W. Grimes 8751295a4dSJordan K. Hubbard int 8858f0484fSRodney W. Grimes sigblock(mask) 8958f0484fSRodney W. Grimes int mask; 9058f0484fSRodney W. Grimes { 913cf3c5d9SMarcel Moolenaar sigset_t set, oset; 92e25ad0cbSMarcel Moolenaar int n; 9358f0484fSRodney W. Grimes 943cf3c5d9SMarcel Moolenaar sigemptyset(&set); 953cf3c5d9SMarcel Moolenaar set.__bits[0] = mask; 96e25ad0cbSMarcel Moolenaar n = sigprocmask(SIG_BLOCK, &set, &oset); 97e25ad0cbSMarcel Moolenaar if (n) 98e25ad0cbSMarcel Moolenaar return (n); 993cf3c5d9SMarcel Moolenaar return (oset.__bits[0]); 10058f0484fSRodney W. Grimes } 10158f0484fSRodney W. Grimes 10251295a4dSJordan K. Hubbard int 10358f0484fSRodney W. Grimes sigpause(mask) 10458f0484fSRodney W. Grimes int mask; 10558f0484fSRodney W. Grimes { 1063cf3c5d9SMarcel Moolenaar sigset_t set; 1073cf3c5d9SMarcel Moolenaar 1083cf3c5d9SMarcel Moolenaar sigemptyset(&set); 1093cf3c5d9SMarcel Moolenaar set.__bits[0] = mask; 1103cf3c5d9SMarcel Moolenaar return (sigsuspend(&set)); 11158f0484fSRodney W. Grimes } 112