sched_dd: small utility to interface with sched_set/getscheduler

Main usage: change scheduler policy and priority for any pid/tid.

To build:
./configure
make

Usage:
To change the policy and priority of process pid:
sched_pp -p <pid> -s <priority> -P <policy=SCHED_RR|SCHED_FIFO|SCHED_OTHER>

To just query the priority:
sched_pp -g -p <pid>

If <pid> is 0 or not given the sched_pp priority is queried/changed.



Build details:
After changing configure.ac rerun "autoreconf --force --install" (or aclocal and autoconf).