[ruby-core:26291] [Feature #2126] ruby_init_stack() - add ability to specify or query max_stack_size

Issue #2126 has been updated by Suraj Kurapati.


Hi Matz,

Please take a look at issue #2258 (from note 16 onwards) which
provides a practical example of the need for a stack-informing
function in the Ruby C API.

That example uses UNIX System V contexts to switch the
machine stack to a pre-allocated heap region.  Other[1], more
cross-platform libraries, such as libpcl (portable coroutine
library), are also capable of doing this.

For your convenience, I will create a variation of that
example which uses libpcl and other libraries to demonstrate
the feasibility of this request.

Thanks for your consideration.

[1]: http://en.wikipedia.org/w/index.php?title=Coroutine&section=8#Implementations_for_C
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