1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2007-2020 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 <dlfcn.h> 19 #include <pthread.h> 20 21 #define NUM 2 22 23 extern void pendfunc (int x); 24 25 void* 26 thread_func (void* arg) 27 { 28 const char *libname = "mi-pendshr2.sl"; 29 void *h; 30 int (*p_func) (); 31 32 h = dlopen (libname, RTLD_LAZY); /* set breakpoint here */ 33 if (h == NULL) 34 return NULL; 35 36 p_func = dlsym (h, "pendfunc3"); 37 if (p_func == NULL) 38 return NULL; 39 40 (*p_func) (); 41 } 42 43 int main() 44 { 45 int res; 46 pthread_t threads[NUM]; 47 int i; 48 49 pendfunc (3); 50 pendfunc (4); 51 52 for (i = 0; i < NUM; i++) 53 { 54 res = pthread_create (&threads[i], 55 NULL, 56 &thread_func, 57 NULL); 58 } 59 60 for (i = 0; i < NUM; i++) { 61 res = pthread_join (threads[i], NULL); 62 } 63 64 return 0; 65 } 66