gdb/testsuite/gdb.base/foll-vfork.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 1997-2014 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 #ifdef PROTOTYPES
  22 int main (void)
  23 #else
  24 main ()
  25 #endif
  26 {
  27   int  pid;
  28
  29   pid = vfork ();
  30   if (pid == 0) {
  31     printf ("I'm the child!\n");
  32     execlp (BASEDIR "/vforked-prog", BASEDIR "/vforked-prog", (char *)0);
  33     perror ("exec failed");
  34     _exit (1);
  35   }
  36   else {
  37     printf ("I'm the proud parent of child #%d!\n", pid);
  38   }
  39 }