Notify async tasks or threads.
This is a synchronization primitive similar to eventcounts invented by Dmitry Vyukov.
You can use this crate to turn non-blocking data structures into async or blocking data structures. See a simple mutex implementation that exposes an async and a blocking interface for acquiring locks.
Wait until another thread sets a boolean flag:
use ; use Arc; use thread; use Duration; use Event; let flag = new; let event = new; // Spawn a thread that will set the flag after 1 second. spawn; // Wait until the flag is set. loop
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