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Thread synchronization routine?

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ConradATPG

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I am developing a threaded application to run on a MAC that needs to run on many UNIX platforms. Apple has a function (OSAtomicTestAndSetBarrier) that takes a index into an array of bits, sets the bit and returns whether the bit was set previous. This function is uninterruptible and used to synchronize access to a data structures by threads.

bool OSAtomicTestAndSetBarrier(uint32_t n, volatile void *theAddress);

I think that this function is proprietary so I need a similar function that is part of the standard threads library or source code that can be compiled to run on different UNIX machines. Any suggestions?
 

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