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MPI_File_c2f(MPI_File file)
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Translates a C handle into a Fortran handle.
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MPI_File_close(MPI_File *fh)
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Closes a file (collective).
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MPI_File_create_errhandler(MPI_File_errhandler_fn *function, MPI_Errhandler *errhandler)
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Creates an MPI-style error handler that can be attached to a file.
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MPI_File_delete(char *filename, MPI_Info info)
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Deletes a file.
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MPI_File_f2c(MPI_File file)
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Translates a Fortran handle into a C handle.
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MPI_File_get_amode(MPI_File fh, int *amode)
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Returns mode associated with open file.
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MPI_File_get_atomicity(MPI_File fh, int *flag)
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Returns current consistency semantics for data-access operations.
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MPI_File_get_byte_offset(MPI_File fh, MPI_Offset offset, MPI_Offset *disp)
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Converts a view-relative offset into an absolute byte position.
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MPI_File_get_errhandler(MPI_Comm file, MPI_Errhandler *errhandler)
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Gets the error handler for a file.
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MPI_File_get_group(MPI_File fh, MPI_Group *group)
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Returns the process group of file.
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MPI_File_get_info(MPI_File fh, MPI_Info *info_used)
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Returns a new info object containing hints.
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MPI_File_get_position(MPI_File fh, MPI_Offset *offset)
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Returns current position of individual file pointer.
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MPI_File_get_position_shared(MPI_File fh, MPI_Offset *offset)
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Returns current position of the shared file pointer (collective).
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MPI_File_get_size(MPI_File fh, MPI_Offset *size)
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Returns current size of file.
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MPI_File_get_type_extent(MPI_File fh, MPI_Datatype datatype, MPI_Aint *extent)
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Returns the extent of the data type in a file.
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MPI_File_get_view(MPI_File fh, MPI_Offset *disp, MPI_Datatype *etype, MPI_Datatype *filetype, char *datarep)
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Returns process's view of data in file.
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MPI_File_iread(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Request *request)
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Reads a file starting at the location specified by the individual file pointer (nonblocking, noncollective).
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MPI_File_iread_at(MPI_File fh, MPI_Offset offset, void *buf, int count, MPI_Datatype datatype, MPI_Request *request)
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Reads a file at an explicitly specified offset (nonblocking, noncollective).
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MPI_File_iread_shared(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Request *request)
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Reads a file using the shared file pointer (nonblocking, noncollective).
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MPI_File_iwrite(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Request *request)
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Writes a file starting at the location specified by the individual file pointer (nonblocking, noncollective).
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MPI_File_iwrite_at(MPI_File fh, MPI_Offset offset, void *buf, int count, MPI_Datatype datatype, MPI_Request *request)
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Writes a file at an explicitly specified offset (nonblocking, noncollective).
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MPI_File_iwrite_shared(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Request *request)
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Writes a file using the shared file pointer (nonblocking, noncollective).
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MPI_File_open(MPI_Comm comm, char *filename, init amode, MPI_Info info, MPI_File *fh)
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Opens a file (collective).
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MPI_File_preallocate(MPI_File fh, MPI_Offset size)
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Preallocates storage space for a portion of a file (collective).
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MPI_File_read(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Reads a file starting at the location specified by the individual file pointer.
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MPI_File_read_all(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Reads a file starting at the locations specified by individual file pointers (collective).
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MPI_File_read_all_begin(MPI_File fh, void *buf, int count, MPI_Datatype datatype)
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Reads a file starting at the locations specified by individual file pointers; beginning part of a split collective routine (nonblocking).
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MPI_File_read_all_end(MPI_File fh, void *buf, MPI_Status *status)
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Reads a file starting at the locations specified by individual file pointers; ending part of a split collective routine (blocking).
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MPI_File_read_at(MPI_File fh, MPI_Offset offset, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Reads a file at an explicitly specified offset.
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MPI_File_read_at_all(MPI_File fh, MPI_Offset offset, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Reads a file at explicitly specified offsets (collective).
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MPI_File_read_at_all_begin(MPI_File fh, MPI_Offset offset, void *buf, int count, MPI_Datatype datatype)
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Reads a file at explicitly specified offsets; beginning part of a split collective routine (nonblocking).
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MPI_File_read_at_all_end(MPI_File fh, void *buf, MPI_Status *status)
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Reads a file at explicitly specified offsets; ending part of a split collective routine (blocking).
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MPI_File_read_ordered(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Reads a file at a location specified by a shared file pointer (collective).
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MPI_File_read_ordered_begin(MPI_File fh, void *buf, int count, MPI_Datatype datatype)
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Reads a file at a location specified by a shared file pointer; beginning part of a split collective routine (nonblocking).
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MPI_File_read_ordered_end(MPI_File fh, void *buf, MPI_Status *status)
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Reads a file at a location specified by a shared file pointer; ending part of a split collective routine (blocking).
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MPI_File_read_shared(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Reads a file using the shared file pointer (blocking, noncollective).
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MPI_File_seek(MPI_File fh, MPI_Offset offset, int whence)
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Updates individual file pointers.
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MPI_File_seek_shared(MPI_File fh, MPI_Offset offset, int whence)
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Updates the global shared file pointer (collective).
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MPI_File_set_atomicity(MPI_File fh, int flag)
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Sets consistency semantics for data-access operations (collective).
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MPI_File_set_errhandler(MPI_File file, MPI_Errhandler errhandler)
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Sets the error handler for a file.
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MPI_File_set_info(MPI_File fh, MPI_Info info)
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Sets new values for hints (collective).
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MPI_File_set_size(MPI_File fh, MPI_Offset size)
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Resizes a file (collective).
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MPI_File_set_view(MPI_File fh, MPI_Offset disp, MPI_Datatype etype, MPI_Datatype filetype, char *datarep, MPI_Info info)
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Changes process's view of data in file (collective).
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MPI_File_sync(MPI_File fh)
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Makes semantics consistent for data-access operations (collective).
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MPI_File_write(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Writes a file starting at the location specified by the individual file pointer.
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MPI_File_write_all(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Writes a file starting at the locations specified by individual file pointers (collective).
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MPI_File_write_all_begin(MPI_File fh, void *buf, int count, MPI_Datatype datatype)
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Writes a file starting at the locations specified by individual file pointers; beginning part of a split collective routine (nonblocking).
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MPI_File_write_all_end(MPI_File fh, void *buf, MPI_Status *status)
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Writes a file starting at the locations specified by individual file pointers; ending part of a split collective routine (blocking).
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MPI_File_write_at(MPI_File fh, MPI_Offset offset, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Writes a file at an explicitly specified offset.
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MPI_File_write_at_all(MPI_File fh, MPI_Offset offset, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Writes a file at explicitly specified offsets (collective).
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MPI_File_write_at_all_begin(MPI_File fh, MPI_Offset offset, void *buf, int count, MPI_Datatype datatype)
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Writes a file at explicitly specified offsets; beginning part of a split collective routine (nonblocking).
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MPI_File_write_at_all_end(MPI_File fh, void *buf, MPI_Status *status)
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Writes a file at explicitly specified offsets; ending part of a split collective routine (blocking).
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MPI_File_write_ordered(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Writes a file at a location specified by a shared file pointer (collective).
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MPI_File_write_ordered_begin(MPI_File fh, void *buf, int count, MPI_Datatype datatype)
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Writes a file at a location specified by a shared file pointer; beginning part of a split collective routine (nonblocking).
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MPI_File_write_ordered_end(MPI_File fh, void *buf, MPI_Status *status)
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Writes a file at a location specified by a shared file pointer; ending part of a split collective routine (blocking).
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MPI_File_write_shared(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
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Writes a file using the shared file pointer (blocking, noncollective).
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MPI_Register_datarep(char *datarep,
MPI_Datarep_conversion_function *read_conversion_fn,
MPI_Datarep_conversion_function *write_conversion_fn, MPI_Datarep_extent_function *dtype_file_extent_fn, void *extra_state)
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Defines data representation.
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