[mpich-discuss] hydra and SIGCONT

Pavan Balaji balaji at mcs.anl.gov
Mon Nov 30 13:35:12 CST 2009

Hi Ashley,

On 11/30/2009 11:37 AM, Ashley Pittman wrote:
> In looking at getting hydra working with padb I've discovered that
> mpiexec.hydra exits abnormally if you send it SIGCONT.  The default
> action for this signal is to ignore it however hydra exits claiming to
> have been killed by SIGTERM.

Good catch. At one point, we were planning on suspend/restart code for
the mpiexec process itself, but later gave up on it because other tools
used within hydra (such as ssh) are bad at handling them anyway. This is
a remnant of that code. I'll clean it up.

 -- Pavan

Pavan Balaji

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