[MPICH] about integer file descriptor

[Rajeev Thakur]

Officially you can't. The MPI file handle is an opaque object. If you really
need the file descriptor, you can look inside the data structure used by a
particular implementation.

Rajeev 

> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov 
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Yong Chen
> Sent: Monday, July 02, 2007 11:19 AM
> To: mpich-discuss at mcs.anl.gov
> Subject: [MPICH] about integer file descriptor
> 
> Hey,
> 
> Could anybody tell me how to obtain the integer file descriptor in 
> MPIIO? Does MPIIO have a similar function call as POSIX fileno() ? I 
> suppose MPIO implementation maintains such integer file descriptors, 
> right? I checked the MPI2 specification, but found nothing. thank you 
> for your help!
> 
> Yong
> 
>