> Date: Sat, 20 Sep 2014 18:15:31 +0000
> From: Miod Vallat <m...@online.fr>
> 
> > shmctl(2)/shmget(2)/shmat(2) all document
> > 
> > #include <sys/types.h>
> > #include <sys/ipc.h>
> > #include <sys/shm.h>
> > 
> > as a requirement for calling these functions.
> 
> That was my first thought, but according to
> http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_ipc.h.html
> ``The <sys/ipc.h> header shall define the uid_t, gid_t, mode_t and key_t
> types as described in <sys/types.h>'', which is currently not the case.

Unfortunately it doesn't allow us to make everything in <sys/types.h>
available though.  So simply including <sys/types.h> from <sys/ipc.h>
isn't the right solution.

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