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Cleanup sync object handling in ompi_request_complete #10561

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Merged
merged 1 commit into from
Jul 26, 2022
Merged

Cleanup sync object handling in ompi_request_complete #10561

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18 changes: 8 additions & 10 deletions ompi/request/request.h
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Original file line number Diff line number Diff line change
Expand Up @@ -522,18 +522,16 @@ static inline int ompi_request_complete(ompi_request_t* request, bool with_signa
}

if (0 == rc) {
if( OPAL_LIKELY(with_signal) ) {
void *_tmp_ptr = REQUEST_PENDING;

if(!OPAL_ATOMIC_COMPARE_EXCHANGE_STRONG_PTR(&request->req_complete, &_tmp_ptr, REQUEST_COMPLETED)) {
ompi_wait_sync_t *tmp_sync = (ompi_wait_sync_t *) OPAL_ATOMIC_SWAP_PTR(&request->req_complete,
REQUEST_COMPLETED);
/* In the case where another thread concurrently changed the request to REQUEST_PENDING */
if( REQUEST_PENDING != tmp_sync )
wait_sync_update(tmp_sync, 1, request->req_status.MPI_ERROR);
if (OPAL_LIKELY(with_signal)) {

ompi_wait_sync_t *tmp_sync = (ompi_wait_sync_t *) OPAL_ATOMIC_SWAP_PTR(&request->req_complete,
REQUEST_COMPLETED);
if( REQUEST_PENDING != tmp_sync ) {
wait_sync_update(tmp_sync, 1, request->req_status.MPI_ERROR);
}
} else
} else {
request->req_complete = REQUEST_COMPLETED;
}
}

return OMPI_SUCCESS;
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