calls never block) This is only used in slurmd/mgr.c right now,
   so that log functions called in io.c do not deadlock IO thread.
 o cleanup in srun/srun.c

#ifdef HAVE_TOTALVIEW blocks). Basic functionality seems
to be in place except for holding tasks at startup.

Corrected data structure variable name in launch message reply to srun.

Options exist, but are undocumented features.

time stamp -1 rather than time stamp (in case update happens at
the same second as the last get info RPC).

 o Document fact that three Ctrl-C's will forcefully terminate job.

 o srun -d option updated to set slurmd-debuggging level
 o slurmd sends task launch resp message with list of pids
   (for totalview support)
 o Three Ctrl-C's in rapid succession to srun forcefully terminates the job.
 o Changed --kill-off to --no-kill

are kept in sync with the job records at slurmctld restart.

   Use constant size buffer for stdin.
   slurmd/fname.[ch] : Pre-open and truncate all unique output filenames
   slurmd/io.c       : make call to truncate all output files.

than single PID). Used for TotalView support.

Slurmctld priority of zero treated like job hold (not scheduled).
Preserve priority order even if incomming job could use idle resources.