155682Smarkm/* 2233294Sstas * Copyright (c) 1995 - 2000 Kungliga Tekniska H��gskolan 355682Smarkm * (Royal Institute of Technology, Stockholm, Sweden). 455682Smarkm * All rights reserved. 5233294Sstas * 655682Smarkm * Redistribution and use in source and binary forms, with or without 755682Smarkm * modification, are permitted provided that the following conditions 855682Smarkm * are met: 9233294Sstas * 1055682Smarkm * 1. Redistributions of source code must retain the above copyright 1155682Smarkm * notice, this list of conditions and the following disclaimer. 12233294Sstas * 1355682Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1455682Smarkm * notice, this list of conditions and the following disclaimer in the 1555682Smarkm * documentation and/or other materials provided with the distribution. 16233294Sstas * 1755682Smarkm * 3. Neither the name of the Institute nor the names of its contributors 1855682Smarkm * may be used to endorse or promote products derived from this software 1955682Smarkm * without specific prior written permission. 20233294Sstas * 2155682Smarkm * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 2255682Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2355682Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2455682Smarkm * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 2555682Smarkm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2655682Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2755682Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2855682Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2955682Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3055682Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3155682Smarkm * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm#include <config.h> 3555682Smarkm 3655682Smarkm#include <signal.h> 3772445Sassar#include "roken.h" 3855682Smarkm 3955682Smarkm/* 4055682Smarkm * We would like to always use this signal but there is a link error 4155682Smarkm * on NEXTSTEP 4255682Smarkm */ 4355682Smarkm#if !defined(NeXT) && !defined(__APPLE__) 4455682Smarkm/* 4555682Smarkm * Bugs: 4655682Smarkm * 4755682Smarkm * Do we need any extra hacks for SIGCLD and/or SIGCHLD? 4855682Smarkm */ 4955682Smarkm 50233294SstasROKEN_LIB_FUNCTION SigAction ROKEN_LIB_CALL 5155682Smarkmsignal(int iSig, SigAction pAction) 5255682Smarkm{ 5355682Smarkm struct sigaction saNew, saOld; 5455682Smarkm 5555682Smarkm saNew.sa_handler = pAction; 5655682Smarkm sigemptyset(&saNew.sa_mask); 5755682Smarkm saNew.sa_flags = 0; 5855682Smarkm 5955682Smarkm if (iSig == SIGALRM) 6055682Smarkm { 6155682Smarkm#ifdef SA_INTERRUPT 6255682Smarkm saNew.sa_flags |= SA_INTERRUPT; 6355682Smarkm#endif 6455682Smarkm } 6555682Smarkm else 6655682Smarkm { 6755682Smarkm#ifdef SA_RESTART 6855682Smarkm saNew.sa_flags |= SA_RESTART; 6955682Smarkm#endif 7055682Smarkm } 7155682Smarkm 7255682Smarkm if (sigaction(iSig, &saNew, &saOld) < 0) 7355682Smarkm return(SIG_ERR); 7455682Smarkm 7555682Smarkm return(saOld.sa_handler); 7655682Smarkm} 7755682Smarkm#endif 78