That would change the behavior of the function and translate into a more fragile API.
The way to go is to surface this option. On Mon, Jan 12, 2015 at 8:23 PM, Greg Young <gregoryyou...@gmail.com> wrote: > I figured out why after a while of looking. The C code translates the > argument > > int Mono_Posix_FromFcntlCommand (int x, int *r) > > When its something that is not a known command it returns EINVAL. > Might a better option be to try to let it pass through otherwise how > could I call for instance a value on a ac? > > Cheers, > > Greg > > On Tue, Jan 13, 2015 at 2:28 AM, Greg Young <gregoryyou...@gmail.com> > wrote: > > I have been trying to set F_NOCACHE via fcntl on a mac to no avail. > > > > r = Syscall.fcntl > > (handle.DangerousGetHandle().ToInt32(), (FcntlCommand) MAC_F_NOCACHE, > > 1); > > } while (UnixMarshal.ShouldRetrySyscall ((int) r)); > > if (r == -1) > > UnixMarshal.ThrowExceptionForLastError (); > > > > (EINVAL) > > > > I have tried > > 48 > > 0x400 > > and 0x40000 > > for F_NOCACHE though from > > > https://github.com/realthunder/mac-headers/blob/master/usr/include/sys/fcntl.h#L256 > > > > Given FcntlCommandFlags does not expose F_NOCACHE but it still should > > be fine to jam the value into the enum > > > > Has anyone set this before? Chances of finding this on google are > > slightly better than 0 :) > > > > Cheers, > > > > Greg > > -- > > Studying for the Turing test > > > > -- > Studying for the Turing test > _______________________________________________ > Mono-devel-list mailing list > Mono-devel-list@lists.ximian.com > http://lists.ximian.com/mailman/listinfo/mono-devel-list >
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