normal 23444302d9 introduce rb_nogvl C-API to mark ubf as async-signal-safe ... zlib and bignum both contain unblocking functions which are async-signal-safe and do not require spawning additional threads. We can execute those functions directly in signal handlers without incurring overhead of extra threads, so provide C-API users the ability to deal with that. Other C-API users may have similar need. This flexible API can supercede existing uses of rb_thread_call_without_gvl and rb_thread_call_without_gvl2 by introducing a flags argument to control behavior. Note: this API is NOT finalized. It needs approval from other committers. I prefer shorter name than previous rb_thread_call_without_gvl* functions because my eyes requires big fonts. [Bug #15499] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66712 b2dd03c8-39d4-4d8f-98ff-823fe69b080e		2019-01-04 13:14:11 +00:00
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test_last_thread.rb
test_ubf_async_safe.rb	introduce rb_nogvl C-API to mark ubf as async-signal-safe	2019-01-04 13:14:11 +00:00