/**
* Delete a (key,value) pair from "info"
*
* @param info MPI_Info handle on which we need to operate
* @param key The key portion of the (key,value) pair that
* needs to be deleted
*
* @retval MPI_SUCCESS If the (key,val) pair was deleted
* @retval MPI_ERR_INFO
* @retval MPI_ERR_INFO_KEYY
*/
int MPI_Info_delete(MPI_Info info, const char *key) {
int key_length;
int err;
/**
* This function merely deletes the (key,val) pair in info
*/
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info || MPI_INFO_NULL == info ||
ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
key_length = (key) ? (int)strlen (key) : 0;
if ((NULL == key) || (0 == key_length) ||
(MPI_MAX_INFO_KEY <= key_length)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO_KEY,
FUNC_NAME);
}
}
err = ompi_info_delete (info, key);
OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, 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_Publish_name(char *service_name, MPI_Info info,
char *port_name)
{
int rc;
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if ( NULL == port_name || 0 == strlen(port_name) ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
if ( NULL == service_name || 0 == strlen(service_name) ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
}
/*
* No predefined info-objects for this function in MPI-2,
* therefore, we do not parse the info-object at the moment.
*/
rc = ompi_comm_namepublish (service_name, port_name);
if ( OMPI_SUCCESS != rc ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INTERN,
FUNC_NAME);
}
return MPI_SUCCESS;
}
/**
* MPI_Info_get_valuelen - Get the length of a value for a given key in an 'M
*
* @param info - info object (handle)
* @param key - null-terminated character string of the index key
* @param valuelen - length of the value associated with 'key' (integer)
* @param flag - true (1) if 'key' defined on 'info', false (0) if not
* (logical)
*
* @retval MPI_SUCCESS
* @retval MPI_ERR_ARG
* @retval MPI_ERR_INFO
* @retval MPI_ERR_INFO_KEY
*
* The length returned in C and C++ does not include the end-of-string
* character. If the 'key' is not found on 'info', 'valuelen' is left
* alone.
*/
int MPI_Info_get_valuelen(MPI_Info info, const char *key, int *valuelen,
int *flag)
{
int key_length;
int err;
/*
* Simple function. All we need to do is search for the value
* having the "key" associated with it and return the length
*/
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info || MPI_INFO_NULL == info ||
ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
key_length = (key) ? (int)strlen (key) : 0;
if ((NULL == key) || (0 == key_length) ||
(MPI_MAX_INFO_KEY <= key_length)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO_KEY,
FUNC_NAME);
}
if (NULL == flag || NULL == valuelen) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
err = ompi_info_get_valuelen (info, key, valuelen, flag);
OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, FUNC_NAME);
}
int MPI_Open_port(MPI_Info info, char *port_name)
{
int rc;
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if ( NULL == port_name ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
}
if ( MPI_INFO_NULL != info ) {
/* in theory, they user might tell us here
how to establish the address. Since our communication
is relying on OOB, we probably won't use the info-object.
Potential values defined in MPI-2:
- "ip_port" : value contains IP port number
- "ip_address" : value contains IP address
*/
}
OPAL_CR_ENTER_LIBRARY();
rc = ompi_dpm_open_port(port_name);
OMPI_ERRHANDLER_RETURN(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
}
int MPI_Alloc_mem(MPI_Aint size, MPI_Info info, void *baseptr)
{
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (size < 0 || NULL == baseptr) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
} else if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
}
/* Per these threads:
http://www.open-mpi.org/community/lists/devel/2007/07/1977.php
http://www.open-mpi.org/community/lists/devel/2007/07/1979.php
If you call MPI_ALLOC_MEM with a size of 0, you get NULL
back .*/
if (0 == size) {
*((void **) baseptr) = NULL;
return MPI_SUCCESS;
}
*((void **) baseptr) = mca_mpool_base_alloc((size_t) size, (struct opal_info_t*)info);
if (NULL == *((void **) baseptr)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_NO_MEM,
FUNC_NAME);
}
/* All done */
return MPI_SUCCESS;
}
int MPI_File_open(MPI_Comm comm, char *filename, int amode,
MPI_Info info, MPI_File *fh)
{
int rc;
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
} else if (ompi_comm_invalid(comm)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
FUNC_NAME);
}
if (OMPI_COMM_IS_INTER(comm)) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_COMM,
FUNC_NAME);
}
}
/* Note that MPI-2:9.7 (p265 in the ps; p261 in the pdf) says that
errors in MPI_FILE_OPEN (before the file handle is created)
should invoke the default error handler on MPI_FILE_NULL.
Hence, if we get a file handle out of ompi_file_open(), invoke
the error handler on that. If not, invoke the error handler on
MPI_FILE_NULL. */
/* The io framework is only initialized lazily. If it hasn't
already been initialized, do so now (note that MPI_FILE_OPEN
and MPI_FILE_DELETE are the only two places that it will be
initialized). */
if (!(mca_io_base_components_opened_valid ||
mca_io_base_components_available_valid)) {
if (OMPI_SUCCESS != (rc = mca_io_base_open())) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
}
if (OMPI_SUCCESS !=
(rc = mca_io_base_find_available(OMPI_ENABLE_PROGRESS_THREADS,
OMPI_ENABLE_MPI_THREADS))) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
}
}
/* Create an empty MPI_File handle */
*fh = MPI_FILE_NULL;
rc = ompi_file_open(comm, filename, amode, info, fh);
/* Creating the file handle also selects a component to use,
creates a module, and calls file_open() on the module. So
we're good to go. */
OMPI_ERRHANDLER_RETURN(rc, *fh, rc, FUNC_NAME);
}
MPI_Fint MPI_Info_c2f(MPI_Info info)
{
OPAL_CR_NOOP_PROGRESS();
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_INT_2_FINT(-1);
}
}
return OMPI_INT_2_FINT(info->i_f_to_c_index);
}
int MPI_File_delete(char *filename, MPI_Info info)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info || ompi_info_is_freed(info)) {
rc = MPI_ERR_INFO;
} else if (NULL == filename) {
rc = MPI_ERR_ARG;
}
OMPI_ERRHANDLER_CHECK(rc, MPI_FILE_NULL, rc, FUNC_NAME);
}
/* Note that MPI-2:9.7 (p265 in the ps; 261 in the pdf) says that
errors in MPI_FILE_OPEN (before the file handle is created)
should invoke the default error handler on MPI_FILE_NULL.
Hence, if we get a file handle out of ompi_file_open(), invoke
the error handler on that. If not, invoke the error handler on
MPI_FILE_NULL. */
/* The io framework is only initialized lazily. If it hasn't
already been initialized, do so now (note that MPI_FILE_OPEN
and MPI_FILE_DELETE are the only two places that it will be
initialized). */
if (!(mca_io_base_components_opened_valid ||
mca_io_base_components_available_valid)) {
if (OMPI_SUCCESS != (rc = mca_io_base_open())) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
}
if (OMPI_SUCCESS !=
(rc = mca_io_base_find_available(OPAL_ENABLE_PROGRESS_THREADS,
OMPI_ENABLE_THREAD_MULTIPLE))) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
/* Since there is no MPI_File handle associated with this
function, the MCA has to do a selection and perform the
action */
rc = mca_io_base_delete(filename, info);
OMPI_ERRHANDLER_RETURN(rc, MPI_FILE_NULL, rc, FUNC_NAME);
}
/**
* MPI_Info_set - Set a (key, value) pair in an 'MPI_Info' object
*
* @param key null-terminated character string of the index key
* @param value null-terminated character string of the value
* @param info info object (handle)
*
* @retval MPI_SUCCESS
* @retval MPI_ERR_ARG
* @retval MPI_ERR_INFO_KEY
* @retval MPI_ERR_INFO_VAL
* @retval MPI_ERR_INFO_NOKEY
* @retval MPI_ERR_NO_MEM
*
* MPI_Info_set adds the (key,value) pair to info, and overrides
* the value if for the same key a previsou value was set. key and
* value must be NULL terminated strings in C. In Fortan, leading
* and trailing spaces in key and value are stripped. If either
* key or value is greater than the allowed maxima, MPI_ERR_INFO_KEY
* and MPI_ERR_INFO_VALUE are raised
*/
int MPI_Info_set(MPI_Info info, const char *key, const char *value)
{
int err;
int key_length;
int value_length;
/*
* Error conditions are
* - info is NULL
* - No storage space available for the new value
* - Key length exceeded MPI_MAX_KEY_VAL
* - value length exceeded MPI_MAX_KEY_VAL
*/
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info || MPI_INFO_NULL == info ||
ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
key_length = (key) ? (int)strlen (key) : 0;
if ((NULL == key) || (0 == key_length) ||
(MPI_MAX_INFO_KEY <= key_length)) {
return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_INFO_KEY,
FUNC_NAME);
}
value_length = (value) ? (int)strlen (value) : 0;
if ((NULL == value) || (0 == value_length) ||
(MPI_MAX_INFO_VAL <= value_length)) {
return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_INFO_VALUE,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
/*
* If all is right with the arguments, then call the back-end
* allocator.
*/
err = ompi_info_set (info, key, value);
OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, FUNC_NAME);
}
int MPI_Comm_set_info(MPI_Comm comm, MPI_Info info)
{
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info || MPI_INFO_NULL == info ||
ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
if (ompi_comm_invalid(comm)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
FUNC_NAME);
}
}
/* At the moment, we do not support any communicator hints.
So... do nothing */
return MPI_SUCCESS;
}
int MPI_Lookup_name(const char *service_name, MPI_Info info, char *port_name)
{
char *tmp;
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if ( NULL == port_name ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
if ( NULL == service_name ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
/*
* No predefined info-objects for this function in MPI-2,
* therefore, we do not parse the info-object at the moment.
*/
/*
* if multiple entries found, this implementation uses
* at the moment the first entry.
*/
tmp = (char *) ompi_pubsub.lookup(service_name, info);
if ( NULL == tmp ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_NAME,
FUNC_NAME);
}
strncpy ( port_name, tmp, MPI_MAX_PORT_NAME );
OPAL_CR_EXIT_LIBRARY();
return MPI_SUCCESS;
}
int MPI_Win_set_info(MPI_Win win, MPI_Info info)
{
int ret;
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_win_invalid(win)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
}
if (NULL == info || MPI_INFO_NULL == info ||
ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_INFO, FUNC_NAME);
}
}
ret = win->w_osc_module->osc_set_info(win, info);
OMPI_ERRHANDLER_RETURN(ret, win, ret, FUNC_NAME);
}
int MPI_Win_create(void *base, MPI_Aint size, int disp_unit,
MPI_Info info, MPI_Comm comm, MPI_Win *win)
{
int ret = MPI_SUCCESS;
/* argument checking */
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_comm_invalid (comm)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
FUNC_NAME);
} else if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_INFO,
FUNC_NAME);
} else if (NULL == win) {
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_WIN, FUNC_NAME);
} else if ( size < 0 ) {
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_SIZE, FUNC_NAME);
} else if ( disp_unit <= 0 ) {
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_DISP, FUNC_NAME);
}
}
/* communicator must be an intracommunicator */
if (OMPI_COMM_IS_INTER(comm)) {
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COMM, FUNC_NAME);
}
/* create window and return */
ret = ompi_win_create(base, (size_t)size, disp_unit, comm,
info, win);
if (OMPI_SUCCESS != ret) {
*win = MPI_WIN_NULL;
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_WIN, FUNC_NAME);
}
return MPI_SUCCESS;
}
int MPI_File_delete(const char *filename, MPI_Info info)
{
int rc;
if (MPI_PARAM_CHECK) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info || ompi_info_is_freed(info)) {
rc = MPI_ERR_INFO;
} else if (NULL == filename) {
rc = MPI_ERR_ARG;
}
OMPI_ERRHANDLER_CHECK(rc, MPI_FILE_NULL, rc, FUNC_NAME);
}
/* Note that MPI-2:9.7 (p265 in the ps; 261 in the pdf) says that
errors in MPI_FILE_OPEN (before the file handle is created)
should invoke the default error handler on MPI_FILE_NULL.
Hence, if we get a file handle out of ompi_file_open(), invoke
the error handler on that. If not, invoke the error handler on
MPI_FILE_NULL. */
/* The io framework is only initialized lazily. If it hasn't
already been initialized, do so now (note that MPI_FILE_OPEN
and MPI_FILE_DELETE are the only two places that it will be
initialized). We might want to add a check to see if the
framework is open instead of just incrementing the open count. */
if (OMPI_SUCCESS != (rc = mca_base_framework_open(&ompi_io_base_framework, 0))) {
return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME);
}
OPAL_CR_ENTER_LIBRARY();
/* Since there is no MPI_File handle associated with this
function, the MCA has to do a selection and perform the
action */
rc = mca_io_base_delete(filename, info);
OMPI_ERRHANDLER_RETURN(rc, MPI_FILE_NULL, rc, FUNC_NAME);
}
int MPI_Unpublish_name(const char *service_name, MPI_Info info,
const char *port_name)
{
int rc;
char range[OPAL_MAX_INFO_VAL];
int flag=0;
opal_list_t pinfo;
opal_value_t *rng;
char **keys = NULL;
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if ( NULL == port_name ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
if ( NULL == service_name ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
OBJ_CONSTRUCT(&pinfo, opal_list_t);
/* OMPI supports info keys to pass the range to
* be searched for the given key */
if (MPI_INFO_NULL != info) {
ompi_info_get (info, "range", sizeof(range) - 1, range, &flag);
if (flag) {
if (0 == strcmp(range, "nspace")) {
rng = OBJ_NEW(opal_value_t);
rng->key = strdup(OPAL_PMIX_RANGE);
rng->type = OPAL_INT;
rng->data.integer = OPAL_PMIX_NAMESPACE; // share only with procs in same nspace
opal_list_append(&pinfo, &rng->super);
} else if (0 == strcmp(range, "session")) {
rng = OBJ_NEW(opal_value_t);
rng->key = strdup(OPAL_PMIX_RANGE);
rng->type = OPAL_INT;
rng->data.integer = OPAL_PMIX_SESSION; // share only with procs in same session
opal_list_append(&pinfo, &rng->super);
} else {
/* unrecognized scope */
OPAL_LIST_DESTRUCT(&pinfo);
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
}
}
/* unpublish the service_name */
opal_argv_append_nosize(&keys, service_name);
rc = opal_pmix.unpublish(keys, &pinfo);
opal_argv_free(keys);
OPAL_LIST_DESTRUCT(&pinfo);
if ( OPAL_SUCCESS != rc ) {
if (OPAL_ERR_NOT_FOUND == rc) {
/* service couldn't be found */
OPAL_CR_EXIT_LIBRARY();
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_SERVICE,
FUNC_NAME);
}
if (OPAL_ERR_PERM == rc) {
/* this process didn't own the specified service */
OPAL_CR_EXIT_LIBRARY();
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ACCESS,
FUNC_NAME);
}
/* none of the MPI-specific errors occurred - must be some
* kind of internal error
*/
OPAL_CR_EXIT_LIBRARY();
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INTERN,
FUNC_NAME);
}
OPAL_CR_EXIT_LIBRARY();
return MPI_SUCCESS;
}
int MPI_Lookup_name(const char *service_name, MPI_Info info, char *port_name)
{
char range[OPAL_MAX_INFO_VAL];
int flag=0, ret;
opal_value_t *rng;
opal_list_t results, pinfo;
opal_pmix_pdata_t *pdat;
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if ( NULL == port_name ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
if ( NULL == service_name ) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
OBJ_CONSTRUCT(&pinfo, opal_list_t);
/* OMPI supports info keys to pass the range to
* be searched for the given key */
if (MPI_INFO_NULL != info) {
ompi_info_get (info, "range", sizeof(range) - 1, range, &flag);
if (flag) {
if (0 == strcmp(range, "nspace")) {
rng = OBJ_NEW(opal_value_t);
rng->key = strdup(OPAL_PMIX_RANGE);
rng->type = OPAL_INT;
rng->data.integer = OPAL_PMIX_NAMESPACE; // share only with procs in same nspace
opal_list_append(&pinfo, &rng->super);
} else if (0 == strcmp(range, "session")) {
rng = OBJ_NEW(opal_value_t);
rng->key = strdup(OPAL_PMIX_RANGE);
rng->type = OPAL_INT;
rng->data.integer = OPAL_PMIX_SESSION; // share only with procs in same session
opal_list_append(&pinfo, &rng->super);
} else {
/* unrecognized scope */
OPAL_LIST_DESTRUCT(&pinfo);
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
}
}
/* collect the findings */
OBJ_CONSTRUCT(&results, opal_list_t);
pdat = OBJ_NEW(opal_pmix_pdata_t);
pdat->value.key = strdup(service_name);
opal_list_append(&results, &pdat->super);
ret = opal_pmix.lookup(&results, &pinfo);
OPAL_LIST_DESTRUCT(&pinfo);
if (OPAL_SUCCESS != ret ||
OPAL_STRING != pdat->value.type ||
NULL == pdat->value.data.string) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_NAME,
FUNC_NAME);
}
strncpy ( port_name, pdat->value.data.string, MPI_MAX_PORT_NAME );
OPAL_LIST_DESTRUCT(&results);
OPAL_CR_EXIT_LIBRARY();
return MPI_SUCCESS;
}
