problem with MAP_SHARED|MAP_ANONYMOUS mapping in openMosix-2.4.26-1

//-----------------------------------------------------------------------------
#include<stdio.h>
#include<sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
main() {
         int *a = 
mmap(0,4096,PROT_READ|PROT_WRITE,MAP_SHARED|MAP_ANONYMOUS,0,0);
         *a = 0;
         if(fork())
                 while(1) {      sleep(2); ++(*a); }
         else
                 while(1) {      printf("%d\n",*a);  sleep(2); }
}

//------------------------------------------------------------------------------

The output of this program should be
0
1
2
3
.
.

but output would remain constant after migrating one of the processes.

openMosix shold not allow migrating processes sharing 
MAP_SHARED|MAP_ANONYMOUS pages.

from,
Ratna Manoj Bolla,
M.Tech IInd year,
dept. of CSE,
Indian Institute of Technology,
Guwahati,
India.



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