ACK_REPORTED
} while (__sync_val_compare_and_swap(pLine, siOldValue, siOldValue | ACK_REPORTED) != siOldValue);
return ISSET(siOldValue, ACK_REPORTED);
snprintf(pBuffer, zBUfferLength, "%s:%" PRIu32 ":%" PRIu32, pLocation->mFilename, pLocation->mLine & (uint32_t)~ACK_REPORTED, pLocation->mColumn);