1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2016-2023 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 <unistd.h> 19#include <stdlib.h> 20#include <signal.h> 21 22volatile int counter = 0; 23 24static void 25handler (int sig) 26{ 27 counter = 5; 28} 29 30int 31main (void) 32{ 33 signal (SIGALRM, handler); 34 alarm (5); 35 36 /* Compiler may generate a single instruction which branches to 37 itself. */ 38 for (;;); /* loop-line */ 39 return 0; 40} 41