<pthread.h> includes

[Stefan Farfeleder]

Hi,

I think some of the headers included by <pthread.h> violate the POSIX
specification (I'm looking at SUSv3/POSIX 1003.1 2004) by making more
symbols visible than allowed.

<sys/cdefs.h>		Ok
<sys/types.h>		Ok
<sys/_pthreadtypes.h>	Ok
<sys/time.h>		No? (POSIX allows <time.h> which is a subset)
<sys/signal.h>		No?
<limits.h>		No?
<sched.h>		Ok

Is this correct?  Should it be fixed?

Stefan