1 /* $NetBSD: signal.c,v 1.1.1.4 2014/05/28 09:58:45 tron Exp $ */ 2 3 /* $OpenLDAP$ */ 4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 5 * 6 * Copyright 1998-2014 The OpenLDAP Foundation. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted only as authorized by the OpenLDAP 11 * Public License. 12 * 13 * A copy of this license is available in the file LICENSE in the 14 * top-level directory of the distribution or, alternatively, at 15 * <http://www.OpenLDAP.org/license.html>. 16 */ 17 18 #include "portable.h" 19 20 #ifdef HAVE_SIGACTION 21 #include <ac/string.h> 22 #include <ac/signal.h> 23 24 lutil_sig_t 25 lutil_sigaction(int sig, lutil_sig_t func) 26 { 27 struct sigaction action, oaction; 28 29 memset( &action, '\0', sizeof(action) ); 30 31 action.sa_handler = func; 32 sigemptyset( &action.sa_mask ); 33 #ifdef SA_RESTART 34 action.sa_flags |= SA_RESTART; 35 #endif 36 37 if( sigaction( sig, &action, &oaction ) != 0 ) { 38 return NULL; 39 } 40 41 return oaction.sa_handler; 42 } 43 #endif 44