1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2012-2016 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <signal.h> 19 #include <unistd.h> 20 21 void 22 do_nothing (void) 23 { 24 } 25 26 void 27 handle (int sig) 28 { 29 do_nothing (); /* handle marker */ 30 } 31 32 int 33 main () 34 { 35 signal (SIGHUP, handle); 36 signal (SIGUSR1, SIG_IGN); 37 38 raise (SIGHUP); /* first HUP */ 39 40 raise (SIGHUP); /* second HUP */ 41 42 raise (SIGHUP); /* third HUP */ 43 44 raise (SIGHUP); /* fourth HUP */ 45 46 raise (SIGINT); /* first INT */ 47 } 48 49