1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2013-2019 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 <pthread.h> 19 #include <signal.h> 20 #include <unistd.h> 21 22 static pthread_t main_thread; 23 24 static void * 25 start (void *arg) 26 { 27 /* A signal whose default action is ignore. */ 28 pthread_kill (main_thread, SIGCHLD); 29 30 while (1) 31 sleep (1); /* set break here */ 32 return NULL; 33 } 34 35 int 36 main (void) 37 { 38 unsigned int counter = 1; 39 pthread_t thread; 40 41 main_thread = pthread_self (); 42 pthread_create (&thread, NULL, start, NULL); 43 44 while (counter != 0) 45 counter++; /* set break 2 here */ 46 47 return 0; 48 } 49