Tom Lane <tgl@sss.pgh.pa.us> writes:
> The check we need is "are there any other processes (still) attached to
> this shmem" and AFAIK that is not available in the mmap API. Do you
> know how to get it?
You can hack something up with fcntl() locks. If a process has a
shared lock on the shm file, F_GETLK will get you its pid. Then grab
your own shared lock.
DES
--
Dag-Erling Smørgrav - des@des.no
