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.
58 строки
1.6 KiB
C
58 строки
1.6 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 "info/info.h"
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#include "file/file.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_File_open = PMPI_File_open
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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_open";
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int MPI_File_open(MPI_Comm comm, char *filename, int amode,
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MPI_Info info, MPI_File *fh)
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{
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int rc;
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (NULL == info || ompi_info_is_freed(info)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
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FUNC_NAME);
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} else if (ompi_comm_invalid(comm)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
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FUNC_NAME);
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}
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}
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/* Note that MPI-2:9.7 (p265) says that errors in MPI_FILE_OPEN
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(before the file handle is created) should invoke the default
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error handler on MPI_FILE_NULL. Hence, if we get a file handle
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out of ompi_file_open(), invoke the error handler on that. If
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not, invoke the error handler on MPI_FILE_NULL. */
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/* Create an empty MPI_File handle */
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*fh = MPI_FILE_NULL;
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rc = ompi_file_open(comm, filename, amode, info, fh);
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/* Creating the file handle also selects a component to use,
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creates a module, and calls file_open() on the module. So
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we're good to go. */
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OMPI_ERRHANDLER_RETURN(rc, *fh, rc, FUNC_NAME);
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}
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