for scontrol
 o provide featureless readline alternative in case GNU readline is not
   available

cancel entire job).

steps are currently assigned to that node.

pthread_kill(tid, SIGHUP) to knock loose the hung poll()

   prolog is run as root and failure is reported as a non-zero return code
   from the launch tasks or launch batch job messages
   epilog is run as result of revoke credential message

   absolute pathname

Modify slurmd to dump/restore credentials at termination and restart.

New RPC added for slurmd to send batch_sid to slurmctld.
batch_sid added to slurmctld batch data structure and support for RPC
  to supply that info from slurmd
slurmd uses getsid to process pid to slurm job_id mapping RPC.

New RPC added for slurmd to send batch_sid to slurmctld.
batch_sid added to slurmctld batch data structure and support for RPC
  to supply that info from slurmd

New RPC added for slurmd to send batch_sid to slurmctld.

read_proc.c given general clean-up

 o fix _search_path() to handle absolute and relative pathnames

New API defined slurm_pid2jobid. Minor format clean-up on other man pages.

New RPC defined to map local pid into slurm job id.
General clean-up of scontrol, also new command to map pid to job_id.
Slurmd *stub only* to map pid to job id.

New RPC defined to map local pid into slurm job id.
General clean-up of scontrol, also new command to map pid to job_id.

New RPC defined to map local pid into slurm job id.

Needed for totalview support of reattach.

 o slurmd tries to kill any old slurmd's on startup
 o create_pidfile() locks pid file and keeps it open, so that
   we can test pidfile for lock to definitively know whether old
   slurmd is still running.