MPI_File_write_all_end - Online Linux Manual PageSection : 3
Updated : Jan 21, 2016
Source : 1.10.2
Note : Open MPI

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NAMEMPI_File_write_all_end − Writes a file starting at the locations specified by individual file pointers; ending part of a split collective routine (blocking).

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SYNTAXC Syntax #include <mpi.h> int MPI_File_write_all_end(MPI_File fh, const void *buf, MPI_Status *status)

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Fortran Syntax INCLUDE 'mpif.h' MPI_FILE_WRITE_ALL_END(FH, BUF, STATUS, IERROR) <type> BUF(*) INTEGER FH, STATUS, IERROR

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C++ Syntax#include <mpi.h> void MPI::File::Write_all_end(const void* buf, MPI::Status& status) void MPI::File::Write_all_end(const void* buf)

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INPUT/OUTPUT PARAMETERfh  File handle (handle).

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INPUT PARAMETERbuf  Initial address of buffer (choice).

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OUTPUT PARAMETERSstatus  Status object (status). IERROR  Fortran only: Error status (integer).

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DESCRIPTIONMPI_File_write_all_end is the ending part of a split collective routine that stores the number of elements actually written into the file associated with fh from the user's buffer buf in status. MPI_File_write_all_end blocks until the operation initiated by MPI_File_write_all_begin completes. The data is written into those parts of the file specified by the current view. All other fields of status are undefined.

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NOTESAll the nonblocking collective routines for data access are "split" into two routines, each with _begin or _end as a suffix. These split collective routines are subject to the semantic rules described in Section 9.4.5 of the MPI-2 standard.

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ERRORSAlmost all MPI routines return an error value; C routines as the value of the function and Fortran routines in the last argument. C++ functions do not return errors. If the default error handler is set to MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception mechanism will be used to throw an MPI::Exception object. Before the error value is returned, the current MPI error handler is called. For MPI I/O function errors, the default error handler is set to MPI_ERRORS_RETURN. The error handler may be changed with MPI_File_set_errhandler; the predefined error handler MPI_ERRORS_ARE_FATAL may be used to make I/O errors fatal. Note that MPI does not guarantee that an MPI program can continue past an error. 0

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