>We have to assign PGSEMMAGIC small enough to ensure that it won't fall
>foul of SEMVMX, but that probably isn't a big problem.  A more serious
>potential portability issue is that some implementations might not
>support the semctl(GETPID) operation (ie, get PID of last process that
>did a semop() on that semaphore).  It seems like a pretty basic part
>of the SysV semaphore functionality to me, but ...  Anyone know of any
>platforms where that's missing?

The beos SysV emulation does not support this call. But, as it's done today, 
adding it should be easy.

            cyril

    
>
>			regards, tom lane
>


Sun, 26 Nov 2000 11:02:27 +0100
Cyril VELTER <cyril.velter@libertysurf.fr>
Re: Proposal for fixing IPC key assignment