(j3.2006) synchronizing I/O

John Reid John.Reid
Mon Feb 9 11:48:43 EST 2009

Robert Corbett wrote:
> The second paragraph of Section 13 of WG5/N1762 says that
> Fortran 2008 processors must implement record-level
> synchronization for OUTPUT_UNIT and ERROE_UNIT.  I have
> not found language in the draft standard that specifies
> that requirement.  Have I missed it, or is the language
> yet to be added?

We seem to have somehow lost this bullet point that was in of 08-007:

"Each record shall be read or written by a single image. The processor shall 
ensure that once an image commences transferring the data of a record to the 
file, no other image transfers data to the file until the whole record has been 

> I am interested in seeing how record-level synchronization
> interacts with nonadvancing I/O.

I don't see a problem here.


More information about the J3 mailing list