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Document how to handle kill/terminate interrupts in Thread.handle_interrupt

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The kill/terminate interrupts are internally handled not as Exception
instances, but as integers.  So using Exception doesn't handle these
interrupts, but Object does.  You can use Integer if you only want to
handle kill/terminate interrupts, but that's probably more of an
implementation detail, while handling Object should work regardless
of the implementation.

Fixes [Bug #15735]
This commit is contained in:
Jeremy Evans 2021-04-08 07:53:06 -07:00
parent 0395aa6bbb
commit 5c4ff3f00c
1 changed files with 2 additions and 0 deletions
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2
thread.c
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@ -2223,6 +2223,8 @@ handle_interrupt_arg_check_i(VALUE key, VALUE val, VALUE args)
* # all exceptions inherited from Exception are prohibited.
* }
*
* For handling all interrupts, use +Object+ and not +Exception+
* as the ExceptionClass, as kill/terminate interrupts are not handled by +Exception+.
*/
static VALUE
rb_thread_s_handle_interrupt(VALUE self, VALUE mask_arg)