* don't pass --tree-spawn to the orted cmd line. If someone doesn't want tree-spawn, it shows up as an MCA param anyway
* ensure state/orted component disqualifies itself from CM operations
* clarify the DVM proc_type definitions
* ensure we stop littering the tmp dir with session directories
In order to address issue #741, the orted's now are
always launched with the Cray PMI environment variables
PMI_NO_FORK
PMI_NO_PREINITIALIZE
set to disable running of the library's ctor.
So there's no longer a need to set these for the
application(s) being launched by the orted's.
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
Turns out that when one builds Open MPI with --disable-dlopen
for Cray, a whole bunch of cray specific libraries get linked
in to the orted executable. One of these is Cray PMI. The
Cray PMI has a ctor which, if run, causes job launches using
mpirun to fail. This commit suppresses the running of the
ctor and thus prevents failure to launch.
Signed-off-by: Howard Pritchard <howardp@lanl.gov>
This commit does two things. It removes checks for C99 required
headers (stdlib.h, string.h, signal.h, etc). Additionally it removes
definitions for required C99 types (intptr_t, int64_t, int32_t, etc).
Signed-off-by: Nathan Hjelm <hjelmn@me.com>
Changing the client to leave its socket as blocking during the connect doesn't solve the problem by itself - you also have to introduce a sleep delay once the backlog is hit to avoid simply machine-gunning your way thru retries. This gets somewhat difficult to adjust as you don't want to unnecessarily prolong startup time.
We've solved this before by adding a listening thread that simply reaps accepts and shoves them into the event library for subsequent processing. This would resolve the problem, but meant yet another daemon-level thread. So I centralized the listening thread support and let multiple elements register listeners on it. Thus, each daemon now has a single listening thread that reaps accepts from multiple sources - for now, the orte/pmix server and the oob/usock support are using it. I'll add in the oob/tcp component later.
This still didn't fully resolve the SMP problem, especially on coprocessor cards (e.g., KNC). Removing the shared memory dstore support helped further improve the behavior - it looks like there is some kind of memory paging issue there that needs further understanding. Given that the shared memory support was about to be lost when I bring over the PMIx integration (until it is restored in that library), it seemed like a reasonable thing to just remove it at this point.
Have only a single level of "if" conditionals. Also, slightly change
the logic such that we only die/break out of the loop if we get EMFILE
-- all other errors are ok to go on to the next fd.
Finally, use a real show_help() message to warn when other errors occur.
