MPI_File_iwrite - Nonblocking write using individual file
pointer
SYNOPSIS
C:
#include "mpi.h"
int MPI_File_iwrite (MPI_File fh, void *buf,
int count, MPI_Datatype datatype, MPIO_Request *request)
Fortran:
INCLUDE "mpif.h" (or USE MPI)
<type> BUF(*)
INTEGER fh, count, datatype, request, ierror
CALL MPI_FILE_IWRITE(fh, buf, count, datatype,
request, ierror)
DESCRIPTION
MPI_File_iwrite is a nonblocking version of the
MPI_FILE_WRITE interface.
MPI_File_iwrite accepts the following arguments:
fh Specifies the file handle (handle)
buf Specifies the initial address of the buffer
(choice)
count Specifies the number of elements in the buffer
(nonnegative integer)
datatype Specifies the datatype of each buffer element
(handle)
request Returns the request object (handle)
ierror Specifies the return code value for successful
completion, which is in MPI_SUCCESS.
MPI_SUCCESS is defined in the mpif.h file.
Limitations
In Fortran and C, the routines MPIO_Wait and MPIO_Test
must be used instead of MPI_Wait and MPI_Test,
respectively. This is a nonstandard restriction and might
change in an upcoming release.
All MPI objects (for example, MPI_Datatype, MPI_Comm,
MPI_File) are of type INTEGER.
SEE ALSO
MPI_File_open(3), MPI_File_write(3), MPI_IO(3)
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