/* This testcase is part of GDB, the GNU debugger. Copyright 1997-2021 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #include #include int main () { int pid; /* A statement before vfork to make sure a breakpoint on main isn't set on vfork below. */ pid = 1; pid = vfork (); /* VFORK */ if (pid == 0) { printf ("I'm the child!\n"); _exit (0); } else { printf ("I'm the proud parent of child #%d!\n", pid); } return 0; }