1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 1997-2015 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 <stdio.h> 19 #include <unistd.h> 20 21 int main (void) 22 { 23 int pid; 24 25 pid = vfork (); 26 if (pid == 0) { 27 printf ("I'm the child!\n"); 28 execlp (BASEDIR "/vforked-prog", BASEDIR "/vforked-prog", (char *)0); 29 perror ("exec failed"); 30 _exit (1); 31 } 32 else { 33 printf ("I'm the proud parent of child #%d!\n", pid); 34 } 35 } 36