155682Smarkm/* 272445Sassar * Copyright (c) 1995 - 2000 Kungliga Tekniska H�gskolan 355682Smarkm * (Royal Institute of Technology, Stockholm, Sweden). 455682Smarkm * All rights reserved. 555682Smarkm * 655682Smarkm * Redistribution and use in source and binary forms, with or without 755682Smarkm * modification, are permitted provided that the following conditions 855682Smarkm * are met: 955682Smarkm * 1055682Smarkm * 1. Redistributions of source code must retain the above copyright 1155682Smarkm * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 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. 1655682Smarkm * 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. 2055682Smarkm * 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#ifdef HAVE_CONFIG_H 3555682Smarkm#include <config.h> 36178825SdfrRCSID("$Id: signal.c 14773 2005-04-12 11:29:18Z lha $"); 3755682Smarkm#endif 3855682Smarkm 3955682Smarkm#include <signal.h> 4072445Sassar#include "roken.h" 4155682Smarkm 4255682Smarkm/* 4355682Smarkm * We would like to always use this signal but there is a link error 4455682Smarkm * on NEXTSTEP 4555682Smarkm */ 4655682Smarkm#if !defined(NeXT) && !defined(__APPLE__) 4755682Smarkm/* 4855682Smarkm * Bugs: 4955682Smarkm * 5055682Smarkm * Do we need any extra hacks for SIGCLD and/or SIGCHLD? 5155682Smarkm */ 5255682Smarkm 53178825SdfrSigAction ROKEN_LIB_FUNCTION 5455682Smarkmsignal(int iSig, SigAction pAction) 5555682Smarkm{ 5655682Smarkm struct sigaction saNew, saOld; 5755682Smarkm 5855682Smarkm saNew.sa_handler = pAction; 5955682Smarkm sigemptyset(&saNew.sa_mask); 6055682Smarkm saNew.sa_flags = 0; 6155682Smarkm 6255682Smarkm if (iSig == SIGALRM) 6355682Smarkm { 6455682Smarkm#ifdef SA_INTERRUPT 6555682Smarkm saNew.sa_flags |= SA_INTERRUPT; 6655682Smarkm#endif 6755682Smarkm } 6855682Smarkm else 6955682Smarkm { 7055682Smarkm#ifdef SA_RESTART 7155682Smarkm saNew.sa_flags |= SA_RESTART; 7255682Smarkm#endif 7355682Smarkm } 7455682Smarkm 7555682Smarkm if (sigaction(iSig, &saNew, &saOld) < 0) 7655682Smarkm return(SIG_ERR); 7755682Smarkm 7855682Smarkm return(saOld.sa_handler); 7955682Smarkm} 8055682Smarkm#endif 81