/* Copyright (C) 2005 David Decotigny
 
    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 2
    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, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
    USA. 
 */
 
 #include <crt.h>
 #include <libc.h>
 #include <stdarg.h>
 #include <debug.h>
 
 /**
  * @file myprog9.c
  *
  * mmap/munmap tests
  *
  * We use the temporary syscall 4004 to dump the list of VRs in the
  * thread's address space
  */
 
 int main()
 {
   char *zoup;
 
   zoup = fakemmap((void*)4096, 8*1024*1024,
                   PROT_READ | PROT_WRITE,
                   MAP_SHARED,
                   "/dev/zero", 34);
   bochs_printf("mapped @%x\n", (unsigned)zoup);
 
   /* Do a fork() here to complicate things */
   fork();
   fork();
   
   _sos_syscall1(4004, (unsigned)"Initial");
   munmap(zoup, 10*4096);
   zoup += 10*4096;
   _sos_syscall1(4004, (unsigned)"After munmap Low");
 
   munmap(zoup-4096, 2*4096);
   zoup += 4096;
   _sos_syscall1(4004, (unsigned)"After munmap Before Low");
 
   munmap(zoup-4096, 4096);
   _sos_syscall1(4004, (unsigned)"After munmap Before Low (bis)");
 
   munmap(zoup + 1024*1024, 4096);
   _sos_syscall1(4004, (unsigned)"After munmap middle");
 
   munmap(zoup + 1024*1024, 4096);
   _sos_syscall1(4004, (unsigned)"After munmap middle (bis)");
 
   munmap(zoup + 8*1024*1024 - 11*4096 - 4096, 4096);
   _sos_syscall1(4004, (unsigned)"After munmap High");
 
   munmap(zoup + 8*1024*1024 - 11*4096 - 2*4096, 3*4096);
   _sos_syscall1(4004, (unsigned)"After munmap Past High");
 
   munmap((void*)0x40000000, 0x10000000);
   _sos_syscall1(4004, (unsigned)"After munmap Over everything");
 
   munmap((void*)0x40000000, 0x10000000);
   _sos_syscall1(4004, (unsigned)"After munmap Over everything (bis)");
 
   return 0;
 }