From: Eric Wong <normalperson@...>
Date: 2018-08-08T07:55:08+00:00
Subject: [ruby-core:88348] Re: [Ruby trunk Feature#14717] [PATCH] thread: allow disabling preempt

ko1@atdot.net wrote:
> I don't think it is good idea to support
> `Thread#preemptible=false` because someone can misuse this
> feature as "locking" like `Thread.exclusive` on Ruby 1.8 (this
> method prevented thread switching. From 1.9, this method
> changed meaning).

Fair enough.  We can close this issue

> and this is what auto-fiber do. I don't against to introduce
> auto-fiber if the name is related to Thread (not related to
> Fiber. The implementation is based on Fiber, but the semantics
> is not Fiber. They should not have `#resume` method and so
> on).

OK, I will call [Feature #13618] "Thread::Green" or something
similar.  I should be done with it once timer-thread-elimination
is fixed and Timeout-in-VM is done (so maybe one more week or two).
rb_thread_sleep_* for green threads requires sharing data
structures with Timeout.

Unsubscribe: <mailto:ruby-core-request@ruby-lang.org?subject=unsubscribe>
<http://lists.ruby-lang.org/cgi-bin/mailman/options/ruby-core>