thread_pthread.c: reduce ubf_timer arming for non-signal wakeups
We do not need to rely on SIGVTALRM for non-sighandler wakeups. This will reduce spurious wakeups in cases where sigwait_fd is not grabbed again, soon.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64389 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread_pthread.c: reduce ubf_timer arming for non-signal wakeups
We do not need to rely on SIGVTALRM for non-sighandler wakeups.
This will reduce spurious wakeups in cases where sigwait_fd
is not grabbed again, soon.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64389 b2dd03c8-39d4-4d8f-98ff-823fe69b080e