1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2021-2024 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 20 static unsigned int global_counter = 1; 21 22 static volatile unsigned int __attribute__((used)) global_var = 123; 23 24 static void 25 maybe_stop_here () 26 { 27 } 28 29 int 30 main (void) 31 { 32 global_counter = 1; 33 34 while (global_counter > 0) 35 { 36 global_counter++; 37 38 /* Less than 1s, so the counter increments at least once while 39 the .exp sleep 1s, but slow enough that the counter doesn't 40 wrap in 1s. */ 41 usleep (5000); 42 43 maybe_stop_here (); 44 } 45 46 return 0; 47 } 48