creator of shared memory crash, will the shared memory lost too??

[Conor P. Cahill]

In article <23533 at adm.BRL.MIL> TAYBENGH%NUSDISCS.BITNET at CUNYVM.CUNY.EDU writes:
>        I am trying to use shared memory provided in Unix System V for
>IPC between processes. Due to reliability reason, I would like to know
>the data in a shared memory can be used if the creator of shared memory
>crashed. Could somebody out there please highlight me. Thanks in advance.

Yes. Shared memory will remain vali following the termination of the 
creating processes (even if it terminates abnormally) UNLESS you have called
shmctl() with IPC_RMID - which doesn't remove the segment until the access
count drops to zero.


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Conor P. Cahill            (703)430-9247        Virtual Technologies, Inc.,
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