[Haskell-cafe] FFI question

[Brandon Allbery]

On Tue, Sep 9, 2014 at 11:36 PM, Vasili I. Galchin <vigalchin at gmail.com>
wrote:

> >        Did a find/grep under my posix-realtime  directory .. no
> > definition of MCL_CURRENT, MCL_FUTURE or MCL_CURRENTandFUTURE!! But If
> > I comment out the case arm MCL_CURRENTandFUTURE in my LockMem.hsc file
> > and run "cabal build" from the directory where my *.cabal file lives
> > .. clean compile ... Sigh!??!!
>

The fact that they start with uppercase tells me that they are from C, not
Haskell. The implication of their relationship with mlockall is that they
come from a related system header file, namely <sys/mman.h>.

I note that neither my FreeBSD nor my OS X system defines
MCL_CURRENTandFUTURE in /usr/include/sys/mman.h, although the other two are
defined.

-- 
brandon s allbery kf8nh                               sine nomine associates
allbery.b at gmail.com                                  ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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