On 3/12/09, "Martin v. Löwis" <[email protected]> wrote:
>> It is starting to look as though flush (and close?) should take an
>> optional wait parameter, to indicate how much re-assurance you're
>> willing to wait for.
> Unfortunately, such a thing would be unimplementable on most of today's
> operating systems.
What am I missing?
_file=file
class file(_file): ...
def flush(self, wait=0):
super().flush(self)
if wait < 0.25:
return
if wait < 0.5 and os.fdatasync:
os.fdatasync(self.fileno())
return
os.fsync(self.fileno())
if wait < 0.75:
return
if os.ffullsync:
os.ffullsync(self.fileno())
(To be honest, I'm not even seeing why it couldn't be done in
Objects/fileobject.c, though I realize extension modules would need to
go through the python interface to take advantage of it.)
-jJ
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