thread.c (rb_thread_fd_select): fix off-by-one with sigwait_fd
select(2) needs the nfds argument to be one higher than the largest FD in the sets :x
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64475 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread.c (rb_thread_fd_select): fix off-by-one with sigwait_fd
select(2) needs the nfds argument to be one higher than the
largest FD in the sets :x
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64475 b2dd03c8-39d4-4d8f-98ff-823fe69b080e