Re: synchronization between processes (not threads)

[Alan Cox]

> pthread_mutex_xxxx, but this is for threads.  Do I use a semaphore?  Seems
> like overkill; I just need a binary yes or no lock.

Portably you use a semaphore. If you want to be faster and non portable you
can use shared memory regions and tricks but those may not work on all cpus


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