1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2022-2023 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 <assert.h> 19 #include <dlfcn.h> 20 #include <unistd.h> 21 #include <sys/wait.h> 22 23 int 24 main (void) 25 { 26 pid_t pid = fork (); 27 if (pid == 0) 28 { 29 void *shlib = dlopen (SHLIB_PATH, RTLD_NOW); 30 int (*add) (int, int) = dlsym (shlib, "add"); 31 32 return add (-2, 2); 33 } 34 35 int wstatus; 36 if (waitpid (pid, &wstatus, 0) == -1) 37 assert (WIFEXITED (wstatus) && WEXITSTATUS (wstatus) == 0); 38 39 return 0; 40 } 41