| PMISSENDDONE(3) | PMISSENDDONE(3) | 
int pmIsSendDone(pmContext *pmc);
| pmContext * | pmc | pmContextobject | 
pmIsSendDone() determines if all previous sent messages have
been received by destination nodes.
pmIsSendDone() does not guarantee that the messages have been
extracted by receiver processes.
| PM_SUCCESS | All messages have been sent | 
| EBUSY | Some messages have not yet been sent | 
| EIO | Error occured while sending messages |