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pmix: hint pmix not to spawn threads #7438

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pmix: hint pmix not to spawn threads #7438

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9 changes: 8 additions & 1 deletion src/util/mpir_pmix.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,14 @@ static int pmix_init(int *has_parent, int *rank, int *size, int *appnum)
static int pmix_init_count = 0;
pmix_init_count++;
if (pmix_init_count == 1) {
pmi_errno = PMIx_Init(&pmix_proc, NULL, 0);
pmix_info_t *info;
PMIX_INFO_CREATE(info, 1);
int flag = 1;
PMIx_Info_load(info, PMIX_EXTERNAL_PROGRESS, &flag, PMIX_BOOL);

pmi_errno = PMIx_Init(&pmix_proc, info, 0);
PMIX_INFO_FREE(info, 1);

if (pmi_errno == PMIX_ERR_UNREACH) {
/* Failed to connect to server. Throw an error if an
* incompatible server is detected (e.g. hydra), otherwise
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