Mutex

["Reeve Fritchman" <reeve@xxxxxxxxxx>]

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"Thread synchronization is required whenever two threads share a resource or
need to be aware of what the other threads in a process are doing. Mutexes
are the most simple and primitive object used for the co-operative *MUT*ual
*EX*clusion required to share and protect resources. One thread owns a mutex
by locking it successfully, when another thread tries to lock the mutex,
that thread will not be allowed to successfully lock the mutex until the
owner unlocks it. The mutex support provides different types and behaviors
for mutexes that can be tuned to your application requirements."

Now that I have this figured out, solving the anthrax mystery should be a
snap...
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