1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2021-2023 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 <stdlib.h> 19 #include <stdio.h> 20 21 volatile int vi = 0; 22 23 void 24 inc_vi () 25 { 26 vi++; 27 } 28 29 void 30 print_vi () 31 { 32 printf ("vi=%d\n", vi); 33 } 34 35 void 36 increment () 37 { 38 inc_vi (); 39 } 40 41 int 42 main (int argc, char **argv) 43 { 44 print_vi (); 45 increment (); 46 print_vi (); 47 increment (); 48 print_vi (); 49 increment (); 50 print_vi (); 51 52 exit (0); 53 } 54