f6f0cccbec
includes the romio component. Only blocking operations are supported -- non-blocking stuff is pending some changes in the top-level progression engine, and some threaded issues need to be worked out. This commit was SVN r2655.
61 строка
1.4 KiB
C
61 строка
1.4 KiB
C
/*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "mpi.h"
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#include "mpi/c/bindings.h"
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#include "communicator/communicator.h"
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#include "errhandler/errhandler.h"
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#include "file/file.h"
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#include "datatype/datatype.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_File_read_all_begin = PMPI_File_read_all_begin
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_File_read_all_begin";
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int MPI_File_read_all_begin(MPI_File fh, void *buf, int count,
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MPI_Datatype datatype)
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{
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int rc;
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if (MPI_PARAM_CHECK) {
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rc = MPI_SUCCESS;
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_file_invalid(fh)) {
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fh = MPI_FILE_NULL;
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rc = MPI_ERR_FILE;
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} else if (count < 0) {
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rc = MPI_ERR_COUNT;
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} else {
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OMPI_CHECK_DATATYPE_FOR_RECV(rc, datatype, count);
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}
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OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
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}
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/* Call the back-end io component function */
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switch (fh->f_io_version) {
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case MCA_IO_BASE_V_1_0_0:
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rc = fh->f_io_selected_module.v1_0_0.
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io_module_file_read_all_begin(fh, buf, count, datatype);
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break;
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default:
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rc = MPI_ERR_INTERN;
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break;
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}
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/* All done */
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OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
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}
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