Christopher Faylor cgf@redhat.com
Tue Mar 20 06:14:00 GMT 2001

On Tue, Mar 20, 2001 at 08:27:45PM +1100, Robert Collins wrote:
>From: "Robert Collins" <robert.collins@itdomain.com.au>
>To: <cygwin-developers@cygwin.com>
>Subject: YANDQ
>Date: Tue, 20 Mar 2001 20:27:45 +1100
>YetAnotherNewDeveloperQuestion (couldn't see anything obvious in the
>archives either)
>The posix specs I'm reading http://www.opengroup.org/onlinepubs/7908799/
>indicate that most of the types I'm working with (sem_t pthread_*_t)
>should be defined in <sys/types.h> with only the prototypes and #defines
>in the respective header files.
>Are these specs way of base? If not, how do I go about altering
>sys/types.h (which I note appears to be part of newlib).

You submit a patch to the newlib mailing list which is conditionalized
#ifdef __CYGWIN__

I can approve patches like this as long as they don't make changes to
any non-cygwin part of newlib.


>The question arises because I have an external typedef which is
>different from the internal typedef. While I could type cast everything
>to make it match up (class pthread ** to void ** for instance) it reads
>a lot more easily (which helps debugging) with no casting involved.
>FYI the external typedefs are of the form
>typedef void * foo_t
>and the internal ones
>typedef class foo * foo_t.
>At the moment I've just duplicated the #defines across the files, but
>I'd really rather have the types separated out from the prototypes and

cgf@cygnus.com                        Red Hat, Inc.
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