On Wed, Jun 21, 2017 at 9:15 PM, Yugo Nagata <nag...@sraoss.co.jp> wrote:
> This errors continue until this process is terminated or the server is 
> restarted.
> When SIGINT is issued, the process exits from the main loop and returns
> to sigsetjmp, and calls dsa_attach() before entering into the loop again,
> this causes the error.
> We can fix it by calling dsa_attach() before sigsetjmp. Attached is the patch.

Your fix looks like a bad idea to me. If the shared memory area does
not exist after an exception occurred the process should be able to
re-attach to the shared memory area if it exists or create a new one
if that's not the case. That should not be a one-time execution.

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