thread.c (rb_barrier_waiting): save the number of waiting threads in RBASIC()->flags. [ruby-dev:45002] [Bug #5768]
thread.c (rb_barrier_wait): increment and decrement around rb_mutex_lock, and use rb_barrier_waiting().
thread.c (rb_barrier_release): use rb_barrier_waiting().
thread.c (rb_barrier_destroy): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34163 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread.c (rb_barrier_waiting): save the number of waiting threads
in RBASIC()->flags. [ruby-dev:45002] [Bug #5768]
thread.c (rb_barrier_wait): increment and decrement around
rb_mutex_lock, and use rb_barrier_waiting().
thread.c (rb_barrier_release): use rb_barrier_waiting().
thread.c (rb_barrier_destroy): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34163 b2dd03c8-39d4-4d8f-98ff-823fe69b080e