thread*.c: waiting on sigwait_fd performs periodic ubf wakeups
We need to be able to perform periodic ubf_list wakeups when a thread is sleeping and waiting on signals.
[ruby-core:88088] [Misc #14937] [Bug #5343]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread*.c: waiting on sigwait_fd performs periodic ubf wakeups
We need to be able to perform periodic ubf_list wakeups when a
thread is sleeping and waiting on signals.
[ruby-core:88088] [Misc #14937] [Bug #5343]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e