int PMI2_Info_GetSize(int *size)
{
pmix_status_t rc = PMIX_ERROR;
pmix_value_t *val;
pmix_info_t info[1];
bool val_optinal = 1;
PMI2_CHECK();
if (NULL == size) {
return PMI2_ERR_INVALID_ARGS;
}
/* set controlling parameters
* PMIX_OPTIONAL - expect that these keys should be available on startup
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_OPTIONAL, &val_optinal, PMIX_BOOL);
if (PMIX_SUCCESS == PMIx_Get(&myproc, PMIX_LOCAL_SIZE, info, 1, &val)) {
rc = convert_int(size, val);
PMIX_VALUE_RELEASE(val);
}
PMIX_INFO_DESTRUCT(&info[0]);
return convert_err(rc);
}
/* KVS_Fence */
int PMI2_KVS_Fence(void)
{
pmix_status_t rc = PMIX_SUCCESS;
PMI2_CHECK();
pmix_output_verbose(3, pmix_globals.debug_output, "PMI2_KVS_Fence");
if (PMIX_SUCCESS != (rc = PMIx_Commit())) {
return convert_err(rc);
}
/* we want all data to be collected upon completion */
{
pmix_info_t info[1];
bool val_data = 1;
/* set controlling parameters
* PMIX_COLLECT_DATA - meet legacy PMI2 requirement
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_COLLECT_DATA, &val_data, PMIX_BOOL);
rc = PMIx_Fence(NULL, 0, &info[0], 1);
PMIX_INFO_DESTRUCT(&info[0]);
}
return convert_err(rc);
}
PMIX_EXPORT int PMI_Init(int *spawned)
{
pmix_status_t rc = PMIX_SUCCESS;
pmix_value_t *val;
pmix_proc_t proc;
pmix_info_t info[1];
bool val_optinal = 1;
if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) {
/* if we didn't see a PMIx server (e.g., missing envar),
* then allow us to run as a singleton */
if (PMIX_ERR_INVALID_NAMESPACE == rc) {
if (NULL != spawned) {
*spawned = 0;
}
pmi_singleton = true;
(void)strncpy(myproc.nspace, "1234", PMIX_MAX_NSLEN);
myproc.rank = 0;
pmi_init = 1;
return PMI_SUCCESS;
}
return PMI_ERR_INIT;
}
/* getting internal key requires special rank value */
memcpy(&proc, &myproc, sizeof(myproc));
proc.rank = PMIX_RANK_UNDEF;
/* set controlling parameters
* PMIX_OPTIONAL - expect that these keys should be available on startup
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_OPTIONAL, &val_optinal, PMIX_BOOL);
if (NULL != spawned) {
/* get the spawned flag */
if (PMIX_SUCCESS == PMIx_Get(&proc, PMIX_SPAWNED, info, 1, &val)) {
rc = convert_int(spawned, val);
PMIX_VALUE_RELEASE(val);
if (PMIX_SUCCESS != rc) {
goto error;
}
} else {
/* if not found, default to not spawned */
*spawned = 0;
}
}
pmi_init = 1;
rc = PMIX_SUCCESS;
error:
PMIX_INFO_DESTRUCT(&info[0]);
return convert_err(rc);
}
PMIX_EXPORT int PMI2_Info_GetNodeAttr(const char name[],
char value[], int valuelen,
int *found, int waitfor)
{
pmix_status_t rc = PMIX_SUCCESS;
pmix_value_t *val;
pmix_info_t info[1];
bool val_optinal = 1;
pmix_proc_t proc = myproc;
proc.rank = PMIX_RANK_UNDEF;
PMI2_CHECK();
if ((NULL == name) || (NULL == value) || (NULL == found)) {
return PMI2_ERR_INVALID_ARG;
}
if (pmi2_singleton) {
return PMI2_FAIL;
}
/* set controlling parameters
* PMIX_OPTIONAL - expect that these keys should be available on startup
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_OPTIONAL, &val_optinal, PMIX_BOOL);
*found = 0;
/* TODO: does PMI2's "name" makes sense to PMIx? */
rc = PMIx_Get(&proc, name, info, 1, &val);
if (PMIX_SUCCESS == rc && NULL != val) {
if (PMIX_STRING != val->type) {
rc = PMIX_ERROR;
} else if (NULL != val->data.string) {
(void)strncpy(value, val->data.string, valuelen);
*found = 1;
}
PMIX_VALUE_RELEASE(val);
} else if (PMIX_ERR_NOT_FOUND == rc) {
rc = PMIX_SUCCESS;
}
PMIX_INFO_DESTRUCT(&info[0]);
return convert_err(rc);
}
int PMI2_Info_GetJobAttr(const char name[], char value[], int valuelen, int *found)
{
pmix_status_t rc = PMIX_SUCCESS;
pmix_value_t *val;
pmix_proc_t proc;
pmix_info_t info[1];
bool val_optinal = 1;
PMI2_CHECK();
if ((NULL == name) || (NULL == value) || (NULL == found)) {
return PMI2_ERR_INVALID_ARG;
}
/* getting internal key requires special rank value */
memcpy(&proc, &myproc, sizeof(myproc));
proc.rank = PMIX_RANK_UNDEF;
/* set controlling parameters
* PMIX_OPTIONAL - expect that these keys should be available on startup
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_OPTIONAL, &val_optinal, PMIX_BOOL);
*found = 0;
rc = PMIx_Get(&proc, name, info, 1, &val);
if (PMIX_SUCCESS == rc && NULL != val) {
if (PMIX_STRING != val->type) {
rc = PMIX_ERROR;
} else if (NULL != val->data.string) {
(void)strncpy(value, val->data.string, valuelen);
*found = 1;
}
PMIX_VALUE_RELEASE(val);
} else if (PMIX_ERR_NOT_FOUND == rc) {
rc = PMIX_SUCCESS;
}
PMIX_INFO_DESTRUCT(&info[0]);
return convert_err(rc);
}
PMIX_EXPORT int PMI_Get_appnum(int *appnum)
{
pmix_status_t rc = PMIX_SUCCESS;
pmix_value_t *val;
pmix_info_t info[1];
bool val_optinal = 1;
pmix_proc_t proc = myproc;
proc.rank = PMIX_RANK_WILDCARD;
PMI_CHECK();
if (NULL == appnum) {
return PMI_ERR_INVALID_ARG;
}
if (pmi_singleton) {
*appnum = 0;
return PMI_SUCCESS;
}
/* set controlling parameters
* PMIX_OPTIONAL - expect that these keys should be available on startup
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_OPTIONAL, &val_optinal, PMIX_BOOL);
rc = PMIx_Get(&proc, PMIX_APPNUM, info, 1, &val);
if (PMIX_SUCCESS == rc) {
rc = convert_int(appnum, val);
PMIX_VALUE_RELEASE(val);
} else if( PMIX_ERR_NOT_FOUND == rc ){
/* this is optional value, set to 0 */
*appnum = 0;
rc = PMIX_SUCCESS;
}
PMIX_INFO_DESTRUCT(&info[0]);
return convert_err(rc);
}
PMIX_EXPORT int PMI_Get_clique_size(int *size)
{
pmix_status_t rc = PMIX_SUCCESS;
pmix_value_t *val;
pmix_info_t info[1];
bool val_optinal = 1;
pmix_proc_t proc = myproc;
proc.rank = PMIX_RANK_WILDCARD;
PMI_CHECK();
if (NULL == size) {
return PMI_ERR_INVALID_ARG;
}
if (pmi_singleton) {
*size = 1;
return PMI_SUCCESS;
}
/* set controlling parameters
* PMIX_OPTIONAL - expect that these keys should be available on startup
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_OPTIONAL, &val_optinal, PMIX_BOOL);
rc = PMIx_Get(&proc, PMIX_LOCAL_SIZE, info, 1, &val);
if (PMIX_SUCCESS == rc) {
rc = convert_int(size, val);
PMIX_VALUE_RELEASE(val);
}
PMIX_INFO_DESTRUCT(&info[0]);
return convert_err(rc);
}
/* Barrier only applies to our own nspace, and we want all
* data to be collected upon completion */
PMIX_EXPORT int PMI_Barrier(void)
{
pmix_status_t rc = PMIX_SUCCESS;
pmix_info_t buf;
int ninfo = 0;
pmix_info_t *info = NULL;
bool val = 1;
PMI_CHECK();
if (pmi_singleton) {
return PMI_SUCCESS;
}
info = &buf;
PMIX_INFO_CONSTRUCT(info);
PMIX_INFO_LOAD(info, PMIX_COLLECT_DATA, &val, PMIX_BOOL);
ninfo = 1;
rc = PMIx_Fence(NULL, 0, info, ninfo);
PMIX_INFO_DESTRUCT(info);
return convert_err(rc);
}
static void tdes(pmix_test_info_t *p)
{
PMIX_INFO_DESTRUCT(&p->data);
}
int main(int argc, char **argv)
{
int rc;
pmix_value_t value;
pmix_value_t *val = &value;
char *tmp;
pmix_proc_t proc;
uint32_t nprocs, n;
int cnt, j;
bool doabort = false;
volatile bool active;
pmix_info_t info, *iptr;
size_t ninfo;
pmix_status_t code;
if (1 < argc) {
if (0 == strcmp("-abort", argv[1])) {
doabort = true;
}
}
/* init us and declare we are a test programming model */
PMIX_INFO_CREATE(iptr, 2);
PMIX_INFO_LOAD(&iptr[0], PMIX_PROGRAMMING_MODEL, "TEST", PMIX_STRING);
PMIX_INFO_LOAD(&iptr[1], PMIX_MODEL_LIBRARY_NAME, "PMIX", PMIX_STRING);
if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, iptr, 2))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Init failed: %s",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
exit(rc);
}
PMIX_INFO_FREE(iptr, 2);
pmix_output(0, "Client ns %s rank %d: Running", myproc.nspace, myproc.rank);
/* test something */
(void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
proc.rank = PMIX_RANK_WILDCARD;
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_JOB_SIZE, NULL, 0, &val))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Get failed: %s",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
exit(rc);
}
PMIX_VALUE_RELEASE(val);
/* test something */
if (PMIX_SUCCESS != (rc = PMIx_Get(&myproc, PMIX_SERVER_URI, NULL, 0, &val))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Get failed: %s",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
exit(rc);
}
pmix_output(0, "CLIENT SERVER URI: %s", val->data.string);
PMIX_VALUE_RELEASE(val);
/* register a handler specifically for when models declare */
active = true;
ninfo = 1;
PMIX_INFO_CREATE(iptr, ninfo);
PMIX_INFO_LOAD(&iptr[0], PMIX_EVENT_HDLR_NAME, "SIMPCLIENT-MODEL", PMIX_STRING);
code = PMIX_MODEL_DECLARED;
PMIx_Register_event_handler(&code, 1, iptr, ninfo,
model_callback, model_registration_callback, (void*)&active);
while (active) {
usleep(10);
}
PMIX_INFO_FREE(iptr, ninfo);
/* register our errhandler */
active = true;
PMIx_Register_event_handler(NULL, 0, NULL, 0,
notification_fn, errhandler_reg_callbk, (void*)&active);
while (active) {
usleep(10);
}
/* get our universe size */
(void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
proc.rank = PMIX_RANK_WILDCARD;
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_UNIV_SIZE, NULL, 0, &val))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Get universe size failed: %s",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
goto done;
}
nprocs = val->data.uint32;
PMIX_VALUE_RELEASE(val);
pmix_output(0, "Client %s:%d universe size %d", myproc.nspace, myproc.rank, nprocs);
/* put a few values */
(void)asprintf(&tmp, "%s-%d-internal", myproc.nspace, myproc.rank);
value.type = PMIX_UINT32;
value.data.uint32 = 1234;
if (PMIX_SUCCESS != (rc = PMIx_Store_internal(&myproc, tmp, &value))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Store_internal failed: %s",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
goto done;
}
for (cnt=0; cnt < MAXCNT; cnt++) {
(void)asprintf(&tmp, "%s-%d-local-%d", myproc.nspace, myproc.rank, cnt);
value.type = PMIX_UINT64;
value.data.uint64 = 1234;
if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_LOCAL, tmp, &value))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Put internal failed: %s",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
goto done;
}
(void)asprintf(&tmp, "%s-%d-remote-%d", myproc.nspace, myproc.rank, cnt);
value.type = PMIX_STRING;
value.data.string = "1234";
if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_REMOTE, tmp, &value))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Put internal failed: %s",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
goto done;
}
if (PMIX_SUCCESS != (rc = PMIx_Commit())) {
pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Commit failed: %s",
myproc.nspace, myproc.rank, cnt, PMIx_Error_string(rc));
goto done;
}
/* call fence to ensure the data is received */
PMIX_PROC_CONSTRUCT(&proc);
(void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
proc.rank = PMIX_RANK_WILDCARD;
if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Fence failed: %s",
myproc.nspace, myproc.rank, cnt, PMIx_Error_string(rc));
goto done;
}
/* check the returned data */
(void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
for (j=0; j <= cnt; j++) {
for (n=0; n < nprocs; n++) {
proc.rank = n;
(void)asprintf(&tmp, "%s-%d-local-%d", myproc.nspace, n, j);
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, tmp, NULL, 0, &val))) {
pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s failed: %s",
myproc.nspace, myproc.rank, j, tmp, PMIx_Error_string(rc));
continue;
}
if (NULL == val) {
pmix_output(0, "Client ns %s rank %d: NULL value returned",
myproc.nspace, myproc.rank);
break;
}
if (PMIX_UINT64 != val->type) {
pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned wrong type: %d", myproc.nspace, myproc.rank, j, tmp, val->type);
PMIX_VALUE_RELEASE(val);
free(tmp);
continue;
}
if (1234 != val->data.uint64) {
pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned wrong value: %d", myproc.nspace, myproc.rank, j, tmp, (int)val->data.uint64);
PMIX_VALUE_RELEASE(val);
free(tmp);
continue;
}
pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned correct", myproc.nspace, myproc.rank, j, tmp);
PMIX_VALUE_RELEASE(val);
free(tmp);
if (n != myproc.rank) {
(void)asprintf(&tmp, "%s-%d-remote-%d", proc.nspace, n, j);
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, tmp, NULL, 0, &val))) {
/* this data should _not_ be found as we are on the same node
* and the data was "put" with a PMIX_REMOTE scope */
pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned correct", myproc.nspace, myproc.rank, j, tmp);
continue;
}
pmix_output(0, "Client ns %s rank %d cnt %d: PMIx_Get %s returned remote data for a local proc",
myproc.nspace, myproc.rank, j, tmp);
PMIX_VALUE_RELEASE(val);
free(tmp);
}
}
}
}
/* now get the data blob for myself */
pmix_output(0, "Client ns %s rank %d testing internal modex blob",
myproc.nspace, myproc.rank);
if (PMIX_SUCCESS == (rc = PMIx_Get(&myproc, NULL, NULL, 0, &val))) {
if (PMIX_DATA_ARRAY != val->type) {
pmix_output(0, "Client ns %s rank %d did not return an array for its internal modex blob",
myproc.nspace, myproc.rank);
PMIX_VALUE_RELEASE(val);
} else if (PMIX_INFO != val->data.darray->type) {
pmix_output(0, "Client ns %s rank %d returned an internal modex array of type %s instead of PMIX_INFO",
myproc.nspace, myproc.rank, PMIx_Data_type_string(val->data.darray->type));
PMIX_VALUE_RELEASE(val);
} else if (0 == val->data.darray->size) {
pmix_output(0, "Client ns %s rank %d returned an internal modex array of zero length",
myproc.nspace, myproc.rank);
PMIX_VALUE_RELEASE(val);
} else {
pmix_info_t *iptr = (pmix_info_t*)val->data.darray->array;
for (n=0; n < val->data.darray->size; n++) {
pmix_output(0, "\tKey: %s", iptr[n].key);
}
PMIX_VALUE_RELEASE(val);
}
} else {
pmix_output(0, "Client ns %s rank %d internal modex blob FAILED with error %s(%d)",
myproc.nspace, myproc.rank, PMIx_Error_string(rc), rc);
}
/* log something */
PMIX_INFO_CONSTRUCT(&info);
PMIX_INFO_LOAD(&info, PMIX_LOG_STDERR, "test log msg", PMIX_STRING);
active = true;
rc = PMIx_Log_nb(&info, 1, NULL, 0, opcbfunc, (void*)&active);
if (PMIX_SUCCESS != rc) {
pmix_output(0, "Client ns %s rank %d - log_nb returned %s",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
} else {
while (active) {
usleep(10);
}
}
PMIX_INFO_DESTRUCT(&info);
/* if requested and our rank is 0, call abort */
if (doabort) {
if (0 == myproc.rank) {
PMIx_Abort(PMIX_ERR_PROC_REQUESTED_ABORT, "CALLING ABORT", NULL, 0);
} else {
while(!completed) {
usleep(10);
}
}
}
done:
/* finalize us */
pmix_output(0, "Client ns %s rank %d: Finalizing", myproc.nspace, myproc.rank);
if (PMIX_SUCCESS != (rc = PMIx_Finalize(NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize failed: %s\n",
myproc.nspace, myproc.rank, PMIx_Error_string(rc));
} else {
fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank);
}
fflush(stderr);
return(rc);
}
int PMI2_Init(int *spawned, int *size, int *rank, int *appnum)
{
pmix_status_t rc = PMIX_SUCCESS;
pmix_value_t *val;
pmix_proc_t proc;
pmix_info_t info[1];
bool val_optinal = 1;
if (PMIX_SUCCESS != PMIx_Init(&myproc)) {
return PMI2_ERR_INIT;
}
/* get the rank */
*rank = myproc.rank;
/* getting internal key requires special rank value */
memcpy(&proc, &myproc, sizeof(myproc));
proc.rank = PMIX_RANK_UNDEF;
/* set controlling parameters
* PMIX_OPTIONAL - expect that these keys should be available on startup
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_OPTIONAL, &val_optinal, PMIX_BOOL);
if (NULL != size) {
/* get the universe size - this will likely pull
* down all attributes assigned to the job, thus
* making all subsequent "get" operations purely
* local */
if (PMIX_SUCCESS == PMIx_Get(&proc, PMIX_UNIV_SIZE, info, 1, &val)) {
rc = convert_int(size, val);
PMIX_VALUE_RELEASE(val);
if (PMIX_SUCCESS != rc) {
goto error;
}
} else {
/* cannot continue without this info */
rc = PMIX_ERR_INIT;
goto error;
}
}
if (NULL != spawned) {
/* get the spawned flag */
if (PMIX_SUCCESS == PMIx_Get(&proc, PMIX_SPAWNED, info, 1, &val)) {
rc = convert_int(spawned, val);
PMIX_VALUE_RELEASE(val);
if (PMIX_SUCCESS != rc) {
goto error;
}
} else {
/* if not found, default to not spawned */
*spawned = 0;
}
}
if (NULL != appnum) {
/* get our appnum */
if (PMIX_SUCCESS == PMIx_Get(&proc, PMIX_APPNUM, info, 1, &val)) {
rc = convert_int(appnum, val);
PMIX_VALUE_RELEASE(val);
if (PMIX_SUCCESS != rc) {
goto error;
}
} else {
/* if not found, default to 0 */
*appnum = 0;
}
}
pmi2_init = 1;
rc = PMIX_SUCCESS;
error:
PMIX_INFO_DESTRUCT(&info[0]);
return convert_err(rc);
}
PMIX_EXPORT int PMI2_Info_GetJobAttr(const char name[], char value[], int valuelen, int *found)
{
pmix_status_t rc = PMIX_SUCCESS;
pmix_value_t *val;
pmix_info_t info[1];
bool val_optinal = 1;
pmix_proc_t proc = myproc;
proc.rank = PMIX_RANK_UNDEF;
PMI2_CHECK();
if ((NULL == name) || (NULL == value) || (NULL == found)) {
return PMI2_ERR_INVALID_ARG;
}
if (pmi2_singleton) {
return PMI2_FAIL;
}
/* set controlling parameters
* PMIX_OPTIONAL - expect that these keys should be available on startup
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_OPTIONAL, &val_optinal, PMIX_BOOL);
/* PMI-2 expects resource manager to set
* process mapping in ANL notation. */
if (!strcmp(name, ANL_MAPPING)) {
/* we are looking in the job-data. If there is nothing there
* we don't want to look in rank's data, thus set rank to widcard */
proc = myproc;
proc.rank = PMIX_RANK_WILDCARD;
if (PMIX_SUCCESS == PMIx_Get(&proc, PMIX_ANL_MAP, NULL, 0, &val) &&
(NULL != val) && (PMIX_STRING == val->type)) {
strncpy(value, val->data.string, valuelen);
PMIX_VALUE_FREE(val, 1);
*found = 1;
return PMI2_SUCCESS;
} else {
/* artpol:
* Some RM's (i.e. SLURM) already have ANL precomputed. The export it
* through PMIX_ANL_MAP variable.
* If we haven't found it we want to have our own packing functionality
* since it's common.
* Somebody else has to write it since I've already done that for
* GPL'ed SLURM :) */
*found = 1;
return PMI2_FAIL;
}
}
*found = 0;
rc = PMIx_Get(&proc, name, info, 1, &val);
if (PMIX_SUCCESS == rc && NULL != val) {
if (PMIX_STRING != val->type) {
rc = PMIX_ERROR;
} else if (NULL != val->data.string) {
(void)strncpy(value, val->data.string, valuelen);
*found = 1;
}
PMIX_VALUE_RELEASE(val);
} else if (PMIX_ERR_NOT_FOUND == rc) {
rc = PMIX_SUCCESS;
}
PMIX_INFO_DESTRUCT(&info[0]);
return convert_err(rc);
}
PMIX_EXPORT int PMI2_Init(int *spawned, int *size, int *rank, int *appnum)
{
pmix_status_t rc = PMIX_SUCCESS;
pmix_value_t *val;
pmix_info_t info[1];
bool val_optinal = 1;
pmix_proc_t proc = myproc;
proc.rank = PMIX_RANK_WILDCARD;
if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) {
/* if we didn't see a PMIx server (e.g., missing envar),
* then allow us to run as a singleton */
if (PMIX_ERR_INVALID_NAMESPACE == rc) {
if (NULL != spawned) {
*spawned = 0;
}
if (NULL != size) {
*size = 1;
}
if (NULL != rank) {
*rank = 0;
}
if (NULL != appnum) {
*appnum = 0;
}
pmi2_singleton = true;
(void)strncpy(myproc.nspace, "1234", PMIX_MAX_NSLEN);
myproc.rank = 0;
pmi2_init = 1;
return PMI2_SUCCESS;
}
return PMI2_ERR_INIT;
}
/* get the rank */
*rank = myproc.rank;
/* set controlling parameters
* PMIX_OPTIONAL - expect that these keys should be available on startup
*/
PMIX_INFO_CONSTRUCT(&info[0]);
PMIX_INFO_LOAD(&info[0], PMIX_OPTIONAL, &val_optinal, PMIX_BOOL);
if (NULL != size) {
/* get the universe size - this will likely pull
* down all attributes assigned to the job, thus
* making all subsequent "get" operations purely
* local */
if (PMIX_SUCCESS == PMIx_Get(&proc, PMIX_UNIV_SIZE, info, 1, &val)) {
rc = convert_int(size, val);
PMIX_VALUE_RELEASE(val);
if (PMIX_SUCCESS != rc) {
goto error;
}
} else {
/* cannot continue without this info */
rc = PMIX_ERR_INIT;
goto error;
}
}
if (NULL != spawned) {
/* get the spawned flag */
if (PMIX_SUCCESS == PMIx_Get(&proc, PMIX_SPAWNED, info, 1, &val)) {
rc = convert_int(spawned, val);
PMIX_VALUE_RELEASE(val);
if (PMIX_SUCCESS != rc) {
goto error;
}
} else {
/* if not found, default to not spawned */
*spawned = 0;
}
}
if (NULL != appnum) {
/* get our appnum */
if (PMIX_SUCCESS == PMIx_Get(&proc, PMIX_APPNUM, info, 1, &val)) {
rc = convert_int(appnum, val);
PMIX_VALUE_RELEASE(val);
if (PMIX_SUCCESS != rc) {
goto error;
}
} else {
/* if not found, default to 0 */
*appnum = 0;
}
}
pmi2_init = 1;
rc = PMIX_SUCCESS;
error:
PMIX_INFO_DESTRUCT(&info[0]);
return convert_err(rc);
}
