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Inter-process semaphore on Tiger

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Inter-process semaphore on Tiger

Subject: Inter-process semaphore on Tiger
From: Stéphane Letz <email@hidden>
Date: Tue, 17 May 2005 16:31:45 +0200

We are using the mach "low-level" semaphores (as defined in #include <mach/semaphore.h> ) for inter-process synchronization. I'm wondering if POSIX semaphore API (sem_init, sem_open/sem_close...) can be used for the same purpose on Tiger.

Are inter-process POSIX semaphores supported on Tiger?

If yes what is the correct API to use?

- sem_init with a semaphore pointer previously allocated in a shared memory segment

- or  sem_open/sem_close  API?

Thanks in advance

Stephane Letz

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