async

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Task hangs during stop if there are more than two sub tasks (?)

1

I'm on Ruby 3.1.1 and Async 2.0.1, Ubuntu 20.04. The following script hangs after the first Ctrl+C, but only if both sleeping tasks are active: ```ruby #!/usr/bin/env ruby require 'async'...

paddor

Docs: Task#result does not re-raise exceptions

1

The 'Exceptions' section of the documentation: https://socketry.github.io/async/guides/getting-started/index.html#exception-handling Includes the code: ```ruby require 'async' task = Async do # Exception will be logged and task will be failed. raise "Boom" end...

emiltin

Async 2.0 requires Ruby version 3.1

1

There should be no reason to require `>= 3.1.0` instead of `>= 3.0.3`. The change was introduced with https://github.com/socketry/async/commit/d16f7fad5859dfd8f731388ce98eea2b42f55501 which doesn't really make sense since `io-event` itself requires only `>=...

yassenb

undefined method `push' for nil:NilClass with async 2.0

8

Hi, After upgrade to async 2.0 and ruby 3.1.0, I get this error: ``` NoMethodError: undefined method `push' for nil:NilClass @selector.push(fiber) ^^^^^ ```

emiltin

latest async 2.0 not compatible with Ruby 2.7.0

3

``` Error installing async: There are no versions of io-event (~> 1.0.0) compatible with your Ruby & RubyGems. Maybe try installing an older version of the gem you're looking for?...

sivagollapalli

Allow running an Async block inside a Ractor

5

Using Ruby 3.0.2 I'm trying the following in Async 1.30.1 and 2.0.0: ``` require 'async' Ractor.new { Async { 42 } } ``` This is the distilled means of reproducing...

beatmadsen

Async documentation

1

Hi, @ioquatix as we talked on the call the other day, here's my list of questions about async that I wish I could have read somewhere so I can get...

bruno-

> Do you mind explaining the expected use case? Because we have traverse which is very close to the implementation. If I recall, I was using #traverse to return a...

ioquatix

Fiber starvation when sharing a connection pool

9

Certain access patterns, pool sizes, and numbers of fibers will result in fiber starvation when sharing a connection pool. The starvation occurs when the pool size is smaller than the...

brendar

Show annotation when logging exception

7

Uncaught exceptions in tasks is shown in a format starting with a line like this: ``` 0.0s error: Async::Task [oid=0x3c] [pid=9016] [2020-12-16 21:01:17 +0100] ``` It would be useful if...

emiltin