[MPICH] MPICH problem when using Windows API OpenFileMapping

[Jayesh Krishna]

 Hi,
  Can you try running your program using the "-localonly" option of mpiexec
? (mpiexec -localonly 1 SharedFactory.exe)
  Can you provide us with a test program (with source - so that we know the
permission/security attributes of each system call) which demonstrates the
problem ?

Regards,
Jayesh

----------------------------------
 Jayesh Krishna
 Argonne National Laboratory
 Mathematics and Computer Science
 Email: jayesh at mcs.anl.gov
----------------------------------
-----Original Message-----
From: owner-mpich-discuss at mcs.anl.gov
[mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of ???
Sent: Monday, March 26, 2007 9:39 AM
To: mpich-discuss at mcs.anl.gov
Subject: [MPICH] MPICH problem when using Windows API OpenFileMapping 



Hi,I've got a problem with MPICH2 1.0.3,when using the API OpenFileMapping. 
the code is : 

#include <mpi.h>
#include <iostream>
using namespace std;
#include <windows.h>
int main(int argc,char * argv[])
{ 


        MPI_Init(&argc,&argv); 
        cout<<"here"<<endl; 


        TCHAR szName[]=TEXT("Global"); 
        HANDLE h=OpenFileMapping(FILE_MAP_READ, false, szName); 
        cout<<h<<endl; 


                 MPI_Finalize(); 



} 


There is another process which creats the shared memory block whose name is
"Global". And I want to use this process to get large block of data from the
mpi process and plot it. 
When i compile the code ,and run the exe file directly,there is no problem
the output is: 

F:\>ShareFactory.exe
here
000006B0 


But when i use the mpiexec.exe,the problem occurs, 


F:\>mpiexec -n 1 ShareFactory.exe
here
00000000 


Can anyone tell me where this problem is? 
Thanks a lot.