text: /* Test case for forgotten hw-watchpoints after fork()-off of a process.
  
     Copyright 2012-2015 Free Software Foundation, Inc.
  
     This file is part of GDB.
  
     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 <http://www.gnu.org/licenses/>.  */
  
  #include <assert.h>
  #include <unistd.h>
  #include <sys/wait.h>
  #include <stdio.h>
  #include <stdlib.h>
  
  #include "watchpoint-fork.h"
  
  volatile int var;
  
  void
  marker (void)
  {
  }
  
  static void
  mark_exit (void)
  {
  }
  
  int
  main (void)
  {
    setbuf (stdout, NULL);
    printf ("main: %d\n", (int) getpid ());
  
    /* General hardware breakpoints and watchpoints validity.  */
    marker ();
    var++;
    /* Hardware watchpoints got disarmed here.  */
    forkoff (1);
    /* This watchpoint got lost before.  */
    var++;
    /* A sanity check for double hardware watchpoints removal.  */
    forkoff (2);
    var++;
  
    mark_exit ();
    return 0;
  }
  