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Setting and Accessing the New Value of an Info Object in Collective Mode

Function Syntax

Set a new value for an info object.
MPI_File_set_info(MPI_File fh, MPI_Info info)

PMPI_File_set_info(MPI_File fh, MPI_Info info)

Get a new info object containing the current info value associated with a file.
MPI_File_get_info(MPI_File fh, MPI_Info *info_used)

PMPI_File_get_info(MPI_File fh, MPI_Info *info_used)

Parameters

Parameter	Description	Value Range	Input/Output
fh	Handle of the file to be deleted	Non-empty	Input
info	info object (handle)	Non-empty	Input
*info	Destination address for storing the info object (handle)	Non-empty	Output

Return Value

Success: MPI_SUCCESS
Failure: An error code is returned.

Error Code

Error Code	Description
MPI_ERR_FILE	Invalid file handle

Notes

The internal values of the info object are ignored by the middleware, which simply returns the configured info object.

Parent topic: Information Setting and Access