[petsc-dev] BuildSystem fixes needed

Jed Brown jedbrown at mcs.anl.gov
Mon Oct 31 22:05:13 CDT 2011


On Mon, Oct 31, 2011 at 21:02, Barry Smith <bsmith at mcs.anl.gov> wrote:

>  A-MPI "replaces" each single Unix process with a collection of threads
> (that each behave like processes with regard to MPI) hence the users entry
> point cannot be called main() because main is called once by the OS when it
> starts up the Unix process. Thus the A-MPI mpi.h changes the users main()
> routine to a different name and the A-MPI startup system calls this new
> routine for each of these threads/pseudo-MPI processes.


Okay, does signal handling still work alright?
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