1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2008-2013 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 19 /* Test handling thread control across an execl. */ 20 21 /* The original image loads a thread library and has several threads, 22 while the new image does not load a thread library. */ 23 24 #include <unistd.h> 25 #include <pthread.h> 26 #include <stdio.h> 27 #include <string.h> 28 #include <stdlib.h> 29 30 void * 31 thread_function (void *arg) 32 { 33 while (1) 34 sleep (100); 35 return NULL; 36 } 37 38 int 39 main (int argc, char* argv[]) 40 { 41 pthread_t thread1; 42 pthread_t thread2; 43 char *new_image; 44 45 pthread_create (&thread1, NULL, thread_function, NULL); 46 pthread_create (&thread2, NULL, thread_function, NULL); 47 48 new_image = malloc (strlen (argv[0]) + 2); 49 strcpy (new_image, argv[0]); 50 strcat (new_image, "1"); 51 52 if (execl (new_image, new_image, NULL) == -1) /* set breakpoint here */ 53 return 1; 54 55 return 0; 56 } 57