I don't see problems calling _exit in PetscSignalHandlerDefault. Let me try it first. --Junchao Zhang
On Tue, Apr 21, 2020 at 3:17 PM John Peterson <jwpeter...@gmail.com> wrote: > Hi, > > I started a thread on disc...@mpich.org regarding some hanging canceled > jobs that we were seeing: > > https://lists.mpich.org/pipermail/discuss/2020-April/005910.html > > It turns out that there are some fairly strict rules about what types of > functions (asynchronous-safe only) can be called from signal handlers, and > MPI_Abort(), at least the mpich implementation of it, apparently does not > fall into that category. I wonder if you have any comments on this. One > possibility might be might be to just call "_exit" from > PetscSignalHandlerDefault rather than PETSCABORT, not sure what other > issues that would cause, however. > > Thanks, > John >
