perl api.

This changed in 17.11 where if the size was 0 we would return 0 which messes
up the perl api.

Bug 3644

jobs have a priority that is lower than the selected job. Previous logic
would permit other jobs with equal priority (no jobs with higher priority).

Bug 3650

circumstances.

array element per line.

Bug 3573

If the depend_list is NULL or has zero elements, the string should
be cleared as well.

Bug 3651.

The field needs to have its own copy, otherwise the pointer will
become invalid when xfree()'d by a separate array task.

Bug 3665.

So that it is the same max length as in src/common/env.c.

Used for explicitly laying out tasks on large CPU count nodes (e.g., KNL).

Bug 3675.

This was a regression in commit 1967d512.

Bug 3650

This fixes test 7.17 to work with commit a152196f

specify --with-pmix.

Bug 3597

This makes it so you can also specify %slurm_with_pmix in .rpmmacros to specify
a non-standard pmix installation.

About "MCSParameters=ondemand,noselect:groupA|groupB|groupC",
you can separate ondemand,noselect and groupA|groupB|groupC into 2
parameters like you want. The first part is common for mcs plugin and
the second part is only for mcs/group, so it could be logical to put them
into 2 different parameters.

Bug 3428

the slurmctld.

This reverts commit a662a226.

the slurmctld.

Prior security check only permitted root or the SlurmUser to update.

No way to do this through sbatch, but the API would permit it.

Bug 3631.

This introduced a race condition between RPC messages starting
to be processed ahead of the plugin init() calls completing.

This reverts commit 6e65b5cb.

Bug 3646.

Only happens in a SPANK plugin on the setenv() call.
dyn_spank_set_job_env() in unaffected, and needs the NULL value for proper
backwards-compatibility.

Bug 3503.