| PMISREADDONE(3) | PMISREADDONE(3) | 
int pmIsReadDone(pmContext *pmc);
| pmContext * | pmc | pmContextobject | 
pmIsReadDone() determines if all previous
pmRead()'s are done.
| PM_SUCCESS | All remote reads are done | 
| EBUSY | Some remote reads are not yet done | 
| EIO | Error occured in some remote reads | 
| ENOSYS | Operation not supported |