POSIX.Semaphores question

[awdorrin <awdorrin@gmail.com>]

I'm using the Florist POSIX Libraries and have code that is similar to
the following:

In the spec file:

Sem_READY : Semaphore;
READY         : Semaphore_Descriptor;
pragma Export( Ada, READY, "ready");

Then in my body:

POSIX.Semaphores.Initialize( Sem_READY, 1);
READY := POSIX.Semaphores.Descriptor_Of( Sem_READY );

When executed, READY is always set to null.

If I run the code through GDB and print READY, it always displays 0x0.
However, if I call POSIX.Semaphores.Descriptor_Of( Sem_Ready )
I get the right address returned: (access posix.c.sem_t) 0x8321540

I have no idea why the assignment is failing and not generating an
exception....