Magnus Hagander <[EMAIL PROTECTED]> writes:
>>> I think you do still need the on_shmem_exit detach callback.
>> Ok, will look into that. Haven't tested that scenario.

> That was indeed so. Added in new version, attached.

If it handles the restart-after-backend-crash scenario and correctly
locks out starting a fresh postmaster (after postmaster crash) until
all old backends are gone, then it's probably ready to commit for
more-widespread testing.

I note that sysv_shmem contains some #ifdef WIN32 and #ifdef __CYGWIN__
kluges; will it now be possible to remove those, or will the Cygwin
build still be using that code?

                        regards, tom lane

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