1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2002-2023 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 <pthread.h> 21 22 void *thread_function(void *arg); /* Pointer to function executed by each thread */ 23 24 #define NUM 1 25 26 unsigned int args[NUM+1]; 27 28 int main() { 29 int res; 30 pthread_t threads[NUM]; 31 void *thread_result; 32 long i; 33 34 for (i = 1; i <= NUM; i++) 35 { 36 args[i] = 1; 37 res = pthread_create(&threads[i - 1], 38 NULL, 39 thread_function, 40 (void *) i); 41 } 42 43 /* schedlock.exp: last thread start. */ 44 args[0] = 1; 45 thread_function ((void *) 0); 46 47 exit(EXIT_SUCCESS); 48 } 49 50 void *thread_function(void *arg) { 51 int my_number = (long) arg; 52 int *myp = (int *) &args[my_number]; 53 54 /* Don't run forever. Run just short of it :) */ 55 while (*myp > 0) 56 { 57 (*myp) ++; /* insert breakpoint here */ 58 } 59 60 pthread_exit(NULL); 61 } 62