Learning Concurrency in Python

Книга: Learning Concurrency in Python
Назад: Example
Дальше: Output

Breaking it down

If we have a look at the preceding code, we have defined a custom class, myThread, which inherits from threading.Thread. Within this class, we define the standard __init__ function and the run function. Our __init__ function takes in our barrier object so that we can reference it later on.

Within our run function, we simulate our thread doing some work for a random amount of time between 1 and 10 seconds, and then we start waiting on the barrier.

Out with our class definition, we first create our barrier object by calling barrier = threading.Barrier(4). The 4 that we've passed into this as an argument represents the number of threads that have to be waiting on the barrier before it will be lifted. We then go on to define four distinct threads, and join them all.

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Дальше: Output
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