> Haskell threads can be preempted externally - this allows you to ensure they n... | Hacker News

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kbolino on July 17, 2024 | parent | context | favorite | on: Java Virtual Threads: A Case Study

> Haskell threads can be preempted externally - this allows you to ensure they never leak. Vs a goroutine that can just spin forever if it doesn't explicitly yield.

Goroutines are preemptible by the runtime (since https://go.dev/doc/go1.14#runtime) but they're still not addressable or killable through the language itself.

whateveracct on July 18, 2024 [–]

The GHC runtime has lots of cool concurrency features.

Async exceptions as a way to pass messages (and kill threads!)

Allocation limits for threads.

Software Transactional Memory.

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