Update PMIx and integration glue#3696

Merged

rhc54 merged 1 commit intoopen-mpi:masterfrom

rhc54:topic/pmix3

Jun 20, 2017

Commits on Jun 20, 2017

Update to latest PMIx master - equivalent to 2.0rc2. Update the thread support in the opal/pmix framework to protect the framework-level structures.
Ralph Castain
committed