Bug #9440: Calling methods on a `Queue.new.dup` or `Queue.new.clone` causes Segfault

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: 2.1.0p0
• Backport: 2.1: DONE

[shan (Shannon Skipper)]

On all platforms with ruby-2.1.0 calling a Queue#method on a duped or cloned Queue results in a Segfault:

queue = Queue.new.dup
queue.empty? # Segfault

The same issue occurs when calling other Queue#methods.

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

Applied in changeset r44681.

---

thread/thread.c: no dup

• ext/thread/thread.c (Init_thread): ConditionVariable and Queue
  are not able to copy. [ruby-core:59961] [Bug #9440]

[nobu (Nobuyoshi Nakada)]

• Backport changed from 2.1: UNKNOWN to 2.1: REQUIRED

[nobu (Nobuyoshi Nakada)]

• Related to Bug #10485: NoMethodError "undefined method `initialize_copy'" when trying to execute Queue#dup added

[nagachika (Tomoyuki Chikanaga)]

• Backport changed from 2.1: REQUIRED to 2.1: DONE

Backported into ruby_2_1 at r50044.