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Threads can synchronize their actions using mutexes (binary semaphores). There are two kind of mutexes -- a fast mutex and a friendly mutex. To help in avoiding deadlocks, DCE offers conditional variables with the wait, signal and broadcast operations on them.
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The notion of per-thread global variable is supported. A thread can declare a variable to be global only to its functions. Functions which belong to other threads will not be able to use those variables.
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To avoid specifying a lot of parameters for each call which creates threads, mutexes and conditional variables, a notion of a template has been introduced. When created, threads, mutexes and conditional variables are initialized by values from appropriate templates.
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RPC is used to communicate between the DCE, multithreaded processes.
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