feat: add _timeout variants to blocking executions
#2912
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This commit introduce `block_on_timeout`, as well as `LocalPool::run_timeout` and `LocalPool::run_until_timeout`. The internal `run_executor` has been modified to use either `std::thread::park` or `std::thread::park_timeout`. In case of timeout, a `TimeoutError` instance is returned. The new generic `run_executor_impl` returns a `Result`, which is always `Ok` in `run_executor` case (using `park`). It has been checked with `cargo asm` that the compiler is able to elide the `unwrap` call in this case. Also, the assembly showed that the parking closure was inlined, so no regression is expected compared to the previous implementation.
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Resolves #2911 |
It allows removing the private field. This pattern is used for example by `std::thread::AccessError`.
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This commit introduce
block_on_timeout, as well asLocalPool::run_timeoutandLocalPool::run_until_timeout. The internalrun_executorhas been modified to use eitherstd::thread::parkorstd::thread::park_timeout. In case of timeout, aTimeoutErrorinstance is returned.The new generic
run_executor_implreturns aResult, which is alwaysOkinrun_executorcase (usingpark). It has been checked withcargo asmthat the compiler is able to elide theunwrapcall in this case. Also, the assembly showed that the parking closure was inlined, so no regression is expected compared to the previous implementation.