I am getting a warning when calling sem_release() before (the same php
script) calls sem_acquire(). I am doing this because it's a "signal" to
another process. The other process (which happens to be C program) has
done, or will do, a semop() to acquire the semaphore/signal. The actual
data transfer is through shared memory.


It does all functionally work quite nicely, but given that I'm getting
the warning and that there doesn't seem to be any discussion of this at
least in this list's archive maybe I'm putting a square peg into a round
hole... or at least there's a rounder peg available.


I did look into disabling the warning, but that got me more concerned
since it seemed like a frowned upon thing to do and even more of a
performance hit.


The irony is that I'm using shared memory (and signals) exactly for
performance reasons L





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