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Обсуждение на тему: Wait rust



























































































Wait rust
If youd like to wait for a processchild to finish, you must call childwait, which will return a processexitstatus. Use stdprocesscommand fn main() let mut child commandnew(sleep). Unwrap() println!(reached end of main) puts the current thread to sleep for at least the specified amount of time. The thread may sleep longer than the duration specified due to scheduling specifics or platform-dependent functionality.
Если вы хотите дождаться завершения processchild, вы должны вызвать childwait, который вернёт processexitstatus. If youd like to wait for a processchild to finish, you must call childwait, which will return a processexitstatus. Use stdprocesscommand fn main() let mut child commandnew(sleep). Unwrap() println!(reached end of main) use atomicwaitwait, wakeone, wakeall let a atomicu32new(0) wait(&a, 1) if the value is 1, wait.
Condition variables represent the ability to block a thread such that it consumes no cpu time while waiting for an event to occur. Condition variables are typically associated with a boolean predicate (a condition) and a mutex. Wait for rust simplifies the integration of asynchronous code into synchronous applications without the need to rewrite your entire application as async or add a bulky runtime just to use blockon(). Installationif youd like to wait for a processchild to finish, you must call childwait, which will return a processexitstatus.
Wait keeps running for 5 seconds until the sleep 5 command finishes reached end of main. Await are special pieces of rust syntax that make it possible to yield control of the current thread rather than blocking, allowing other code to make progress while waiting on an operation to complete. .