From: "kosaki (Motohiro KOSAKI)" <kosaki.motohiro@...>
Date: 2013-08-31T02:16:48+09:00
Subject: [ruby-core:56888] [ruby-trunk - Feature #7918][Assigned] Create	Signal.in_trap?()


Issue #7918 has been updated by kosaki (Motohiro KOSAKI).

Status changed from Open to Assigned
Assignee set to kosaki (Motohiro KOSAKI)


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Feature #7918: Create Signal.in_trap?()
https://bugs.ruby-lang.org/issues/7918#change-41436

Author: kosaki (Motohiro KOSAKI)
Status: Assigned
Priority: Normal
Assignee: kosaki (Motohiro KOSAKI)
Category: core
Target version: current: 2.1.0


Currently, ruby library have no way to detect a method is called from trap handler or not.
This is useful because Mutex#lock under trap raises an exception and some libraries may want to avoid it.

Then, I would like to create Signal.in_trap?() class method.

Signal.in_trap?(signal = nil)

return true when running trap handler.
return false otherwise.

When signal argument is specified, return true only when running trap of specified signal.

Thought?



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