int MPI_File_read_ordered_end(MPI_File fh, void *buf, MPI_Status *status)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_file_invalid(fh)) {
fh = MPI_FILE_NULL;
rc = MPI_ERR_FILE;
}
OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
}
OPAL_CR_ENTER_LIBRARY();
/* Call the back-end io component function */
switch (fh->f_io_version) {
case MCA_IO_BASE_V_2_0_0:
rc = fh->f_io_selected_module.v2_0_0.
io_module_file_read_ordered_end(fh, buf, status);
break;
default:
rc = MPI_ERR_INTERN;
break;
}
/* All done */
OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
}
int MPI_File_get_atomicity(MPI_File fh, int *flag)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_file_invalid(fh)) {
rc = MPI_ERR_FILE;
fh = MPI_FILE_NULL;
} else if (NULL == flag) {
rc = MPI_ERR_ARG;
}
OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
}
OPAL_CR_ENTER_LIBRARY();
/* Call the back-end io component function */
switch (fh->f_io_version) {
case MCA_IO_BASE_V_2_0_0:
rc = fh->f_io_selected_module.v2_0_0.
io_module_file_get_atomicity(fh, flag);
break;
default:
rc = MPI_ERR_INTERN;
break;
}
/* All done */
OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
}
int MPI_File_set_info(MPI_File fh, MPI_Info info)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_file_invalid(fh)) {
fh = MPI_FILE_NULL;
rc = MPI_ERR_FILE;
}
OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
}
/* Call the back-end io component function */
switch (fh->f_io_version) {
case MCA_IO_BASE_V_2_0_0:
rc = fh->f_io_selected_module.v2_0_0.
io_module_file_set_info(fh, info);
break;
default:
rc = MPI_ERR_INTERN;
break;
}
/* All done */
OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
}
int MPI_File_get_byte_offset(MPI_File fh, MPI_Offset offset,
MPI_Offset *disp)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_file_invalid(fh)) {
rc = MPI_ERR_FILE;
fh = MPI_FILE_NULL;
} else if (NULL == disp) {
rc = MPI_ERR_ARG;
}
OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
}
/* Call the back-end io component function */
switch (fh->f_io_version) {
case MCA_IO_BASE_V_2_0_0:
rc = fh->f_io_selected_module.v2_0_0.
io_module_file_get_byte_offset(fh, offset, disp);
break;
default:
rc = MPI_ERR_INTERN;
break;
}
/* All done */
OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
}
int MPI_File_get_info(MPI_File fh, MPI_Info *info_used)
{
OPAL_CR_NOOP_PROGRESS();
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info_used) {
return OMPI_ERRHANDLER_INVOKE(fh, MPI_ERR_INFO, FUNC_NAME);
}
if (ompi_file_invalid(fh)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
FUNC_NAME);
}
}
if (NULL == fh->super.s_info) {
/*
* Setup any defaults if MPI_Win_set_info was never called
*/
opal_infosubscribe_change_info(fh, &MPI_INFO_NULL->super);
}
(*info_used) = OBJ_NEW(ompi_info_t);
if (NULL == (*info_used)) {
return OMPI_ERRHANDLER_INVOKE(fh, MPI_ERR_NO_MEM, FUNC_NAME);
}
opal_info_dup(fh->super.s_info, &(*info_used)->super);
return OMPI_SUCCESS;
}
int MPI_File_close(MPI_File *fh)
{
int rc;
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
/* Note that MPI-2:9.7 (p265) says that errors in
MPI_FILE_CLOSE should invoke the default error handler on
MPI_FILE_NULL */
if (NULL == fh || ompi_file_invalid(*fh)) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, MPI_ERR_FILE,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
/* Release the MPI_File; the destructor releases the component,
zeroes out fiels, etc. */
rc = ompi_file_close(fh);
OMPI_ERRHANDLER_RETURN(rc, *fh, rc, FUNC_NAME);
}
int MPI_File_set_info(MPI_File fh, MPI_Info info)
{
int ret;
OPAL_CR_NOOP_PROGRESS();
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_file_invalid(fh)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_FILE, FUNC_NAME);
}
if (NULL == info || MPI_INFO_NULL == info ||
ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(fh, MPI_ERR_INFO,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
ret = opal_infosubscribe_change_info(fh, &info->super);
OMPI_ERRHANDLER_RETURN(ret, fh, ret, FUNC_NAME);
}
int MPI_File_iread_at(MPI_File fh, MPI_Offset offset, void *buf,
int count, MPI_Datatype datatype, MPI_Request *request)
{
int rc;
mca_io_base_request_t *io_request;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_file_invalid(fh)) {
fh = MPI_FILE_NULL;
rc = MPI_ERR_FILE;
} else if (count < 0) {
rc = MPI_ERR_COUNT;
} else {
OMPI_CHECK_DATATYPE_FOR_RECV(rc, datatype, count);
}
OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
}
/* Get a request */
if (OMPI_SUCCESS != mca_io_base_request_alloc(fh, &io_request)) {
return OMPI_ERRHANDLER_INVOKE(fh, MPI_ERR_NO_MEM, FUNC_NAME);
}
*request = (ompi_request_t*) io_request;
/* Call the back-end io component function */
switch (fh->f_io_version) {
case MCA_IO_BASE_V_1_0_0:
rc = fh->f_io_selected_module.v1_0_0.
io_module_file_iread_at(fh, offset, buf, count, datatype,
io_request);
break;
default:
rc = MPI_ERR_INTERN;
break;
}
/* All done */
OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
}
MPI_Fint MPI_File_c2f(MPI_File file)
{
OPAL_CR_NOOP_PROGRESS();
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
/* Note that ompi_file_invalid() explicitly checks for
MPI_FILE_NULL, but MPI_FILE_C2F is supposed to treat
MPI_FILE_NULL as a valid file (and therefore return a valid
Fortran handle for it). Hence, this function should not
return an error if MPI_FILE_NULL is passed in.
See a big comment in ompi/communicator/communicator.h about
this. */
if (ompi_file_invalid(file) && MPI_FILE_NULL != file) {
return OMPI_INT_2_FINT(-1);
}
}
return OMPI_INT_2_FINT(file->f_f_to_c_index);
}
int MPI_File_read_ordered(MPI_File fh, void *buf, int count,
MPI_Datatype datatype, MPI_Status *status)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_file_invalid(fh)) {
fh = MPI_FILE_NULL;
rc = MPI_ERR_FILE;
} else if (count < 0) {
rc = MPI_ERR_COUNT;
} else {
OMPI_CHECK_DATATYPE_FOR_RECV(rc, datatype, count);
}
OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
}
/* Call the back-end io component function */
switch (fh->f_io_version) {
case MCA_IO_BASE_V_1_0_0:
rc = fh->f_io_selected_module.v1_0_0.
io_module_file_read_ordered(fh, buf, count, datatype, status);
break;
default:
rc = MPI_ERR_INTERN;
break;
}
/* All done */
OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
}
int MPI_File_seek(MPI_File fh, MPI_Offset offset, int whence)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_file_invalid(fh)) {
rc = MPI_ERR_FILE;
fh = MPI_FILE_NULL;
} else if (MPI_SEEK_SET != whence && MPI_SEEK_CUR != whence &&
MPI_SEEK_END != whence) {
rc = MPI_ERR_ARG;
}
OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
}
OPAL_CR_ENTER_LIBRARY();
/* Call the back-end io component function */
switch (fh->f_io_version) {
case MCA_IO_BASE_V_2_0_0:
rc = fh->f_io_selected_module.v2_0_0.
io_module_file_seek(fh, offset, whence);
break;
default:
rc = MPI_ERR_INTERN;
break;
}
/* All done */
OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
}
