On Sat, 4 Jan 2020 10:51:42 +0900 Takashi Yano wrote: > On Thu, 2 Jan 2020 22:16:02 +0000 > Ken Brown wrote: > > I think this narrows it down to one of the following commits: > > I looked into this probelm and found the issue occurs after > the following commit. > > > commit 915fcd0ae8d83546ce135131cd25bf6795d97966 > > Author: Takashi Yano <takashi.y...@nifty.ne.jp> > > Date: Thu Sep 5 13:22:54 2019 +0900 > > > > Cygwin: pty: Fix select() with pseudo console support. > > I investigated this deeper, and found: > > 1) xterm in ssh -Y session calls select() about 1000 times > at startup. > 2) pi->thread->detach() in pty_slave_cleanup() takes about > 20usec in usual, however, it takes more than 10msec > in ssh -Y session. > > As a result, start up of xterm takes more than 10 sec. > > I have no idea so far why cygthread::detach() becomes > so slow in ssh -Y session. :-(
I have just posted a patch for this issue. -- Takashi Yano <takashi.y...@nifty.ne.jp> -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
