Hey, Good observation, so passing a -1 is enough.
That said, perhaps we do need to expose a number of overloads with various possible data types of other sizes. On Mon, Jan 12, 2015 at 11:23 PM, Greg Young <gregoryyou...@gmail.com> wrote: > I would guess it to be the same for others like F_RDAHEAD > > I don't think the long is too horrible as its only defined as 0/non-zero > > On Tue, Jan 13, 2015 at 6:15 AM, Miguel de Icaza <mig...@xamarin.com> > wrote: > > I added support for this on master. > > > > That said, there is an issue that I think will bite us. > > > > Currently the fcntl P/Invoke declaration uses a "long" as a general > purpose > > way of passing flags to fcntl, and I suspect the parameter to F_NOCACHE > > should be an int. > > > > Thoughts? > > > > Miguel > > > > On Mon, Jan 12, 2015 at 7:28 PM, 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 > >> _______________________________________________ > >> Mono-devel-list mailing list > >> Mono-devel-list@lists.ximian.com > >> http://lists.ximian.com/mailman/listinfo/mono-devel-list > > > > > > > > -- > Studying for the Turing test >
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