static void add_to_env(char **params, char **values, char ***env) { int i; char *name; /* Loop through all the args that we've gotten and make env vars of the form PMIX_MCA_PREFIX*=value. */ for (i = 0; NULL != params && NULL != params[i]; ++i) { (void) pmix_mca_base_var_env_name (params[i], &name); pmix_setenv(name, values[i], true, env); free(name); } }
int main(int argc, char **argv) { int rc; pmix_value_t value; pmix_value_t *val = &value; pmix_proc_t proc; uint32_t nprocs; char nsp2[PMIX_MAX_NSLEN+1]; pmix_app_t *app; char hostname[PMIX_MAXHOSTNAMELEN]; pmix_proc_t *peers; size_t npeers, ntmp=0; char *nodelist; gethostname(hostname, sizeof(hostname)); /* init us */ if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) { pmix_output(0, "Client ns %s rank %d: PMIx_Init failed: %d", myproc.nspace, myproc.rank, rc); exit(0); } pmix_output(0, "Client ns %s rank %d: Running", myproc.nspace, myproc.rank); /* 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: %d", myproc.nspace, myproc.rank, 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); /* call fence to sync */ 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: PMIx_Fence failed: %d", myproc.nspace, myproc.rank, rc); goto done; } /* rank=0 calls spawn */ if (0 == myproc.rank) { PMIX_APP_CREATE(app, 1); app->cmd = strdup("gumby"); app->maxprocs = 2; pmix_argv_append_nosize(&app->argv, "gumby"); pmix_argv_append_nosize(&app->argv, "-n"); pmix_argv_append_nosize(&app->argv, "2"); pmix_setenv("PMIX_ENV_VALUE", "3", true, &app->env); PMIX_INFO_CREATE(app->info, 2); (void)strncpy(app->info[0].key, "DARTH", PMIX_MAX_KEYLEN); app->info[0].value.type = PMIX_INT8; app->info[0].value.data.int8 = 12; (void)strncpy(app->info[1].key, "VADER", PMIX_MAX_KEYLEN); app->info[1].value.type = PMIX_DOUBLE; app->info[1].value.data.dval = 12.34; pmix_output(0, "Client ns %s rank %d: calling PMIx_Spawn", myproc.nspace, myproc.rank); if (PMIX_SUCCESS != (rc = PMIx_Spawn(NULL, 0, app, 1, nsp2))) { pmix_output(0, "Client ns %s rank %d: PMIx_Spawn failed: %d", myproc.nspace, myproc.rank, rc); goto done; } PMIX_APP_FREE(app, 1); /* check to see if we got the expected info back */ if (0 != strncmp(nsp2, "DYNSPACE", PMIX_MAX_NSLEN)) { pmix_output(0, "Client ns %s rank %d: PMIx_Spawn returned incorrect nspace: %s", myproc.nspace, myproc.rank, nsp2); goto done; } else { pmix_output(0, "Client ns %s rank %d: PMIx_Spawn succeeded returning nspace: %s", myproc.nspace, myproc.rank, nsp2); } /* get their universe size */ (void)strncpy(proc.nspace, nsp2, PMIX_MAX_NSLEN); proc.rank = PMIX_RANK_WILDCARD; val = NULL; if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_UNIV_SIZE, NULL, 0, &val)) || NULL == val) { pmix_output(0, "Client ns %s rank %d: PMIx_Get universe size failed: %d", myproc.nspace, myproc.rank, rc); goto done; } ntmp = val->data.uint32; PMIX_VALUE_RELEASE(val); pmix_output(0, "Client %s:%d universe %s size %d", myproc.nspace, myproc.rank, nsp2, (int)ntmp); } /* just cycle the connect/disconnect functions */ if (PMIX_SUCCESS != (rc = PMIx_Connect(&proc, 1, NULL, 0))) { pmix_output(0, "Client ns %s rank %d: PMIx_Connect failed: %d", myproc.nspace, myproc.rank, rc); goto done; } pmix_output(0, "Client ns %s rank %d: PMIx_Connect succeeded", myproc.nspace, myproc.rank); if (PMIX_SUCCESS != (rc = PMIx_Disconnect(&proc, 1, NULL, 0))) { pmix_output(0, "Client ns %s rank %d: PMIx_Disonnect failed: %d", myproc.nspace, myproc.rank, rc); goto done; } pmix_output(0, "Client ns %s rank %d: PMIx_Disconnect succeeded", myproc.nspace, myproc.rank); /* finally, test the resolve functions */ if (0 == myproc.rank) { if (PMIX_SUCCESS != (rc = PMIx_Resolve_peers(hostname, NULL, &peers, &npeers))) { pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers failed for nspace %s: %d", myproc.nspace, myproc.rank, nsp2, rc); goto done; } if ((nprocs+ntmp) != npeers) { pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers returned incorrect npeers: %d vs %d", myproc.nspace, myproc.rank, (int)(nprocs+ntmp), (int)npeers); goto done; } pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers returned %d npeers", myproc.nspace, myproc.rank, (int)npeers); if (PMIX_SUCCESS != (rc = PMIx_Resolve_nodes(nsp2, &nodelist))) { pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_nodes failed for nspace %s: %d", myproc.nspace, myproc.rank, nsp2, rc); goto done; } pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_nodes %s", myproc.nspace, myproc.rank, nodelist); } else { if (PMIX_SUCCESS != (rc = PMIx_Resolve_peers(hostname, myproc.nspace, &peers, &npeers))) { pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers failed for nspace %s: %d", myproc.nspace, myproc.rank, myproc.nspace, rc); goto done; } if (nprocs != npeers) { pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers returned incorrect npeers: %d vs %d", myproc.nspace, myproc.rank, nprocs, (int)npeers); goto done; } pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers returned %d npeers", myproc.nspace, myproc.rank, (int)npeers); if (PMIX_SUCCESS != (rc = PMIx_Resolve_nodes(myproc.nspace, &nodelist))) { pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_nodes failed: %d", myproc.nspace, myproc.rank, rc); goto done; } pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_nodes %s", myproc.nspace, myproc.rank, nodelist); } PMIX_PROC_FREE(peers, npeers); free(nodelist); done: /* call fence to sync */ 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: PMIx_Fence failed: %d", myproc.nspace, myproc.rank, rc); goto 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: %d\n", myproc.nspace, myproc.rank, rc); } else { fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank); } fflush(stderr); return(0); }