fsync(2) EINVAL example, fifo(7) read-only

fsync(2) EINVAL example, fifo(7) read-only

[Georg Sauthoff]

Hi,

just small stuff:

from the ERRORS section of fsync(2):


'EROFS, EINVAL
              fd is bound to a special file which does not support
              synchronization.
'

Consider adding an example of an file which does not support
synchronization, i.e. a note that doing fsync on a fifo yields EINVAL.



from fifo(7):

'A process can open a FIFO in nonblocking mode.  In this case, opening for read
 only will succeed even if no-one has opened on the write side yet, opening for
 write only will fail with ENXIO (no such device or address) unless the other
 end has already been opened.
'

IMHO it would be easier to parse, if 'read only'/'write only' would be
substituted with 'read-only'/'write-only'.


Best regards
Georg
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