On Tuesday, 7 February 2017 at 17:45:00 UTC, Andrei Alexandrescu
wrote:
This may be hasty. https://linux.die.net/man/2/flock does not
perform any unsafe operation, even for invalid arguments. --
Andrei
On 2/7/17 11:44 AM, Walter Bright via phobos wrote:
On 2/7/2017 6:00 AM, Jakub Łabaj via phobos wrote:
Ok, so I have doubts whether these functions can be @trusted.
On the
one hand
they get just FILE* as an argument which (as I see it) makes
it safe
interface.
On the other hand FGETC is unlocked version of fgetc and
requires
explicit lock
to be used safely; FLOCK and FUNLOCK invocations should match,
therefore there
is also possibility to use it incorrectly. Personally I would
not mark
them
@trusted then, is it correct?
I'd say you're right.
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FLOCK is aliased (at Linux) to
https://linux.die.net/man/3/flockfile . It may be safe on its
own, but to avoid deadlock must be followed by call to unlock.
Does it qualify to be @trusted in such case?
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