On Jun 8 14:41, Corinna Vinschen wrote: > On Jun 6 12:58, İsmail Dönmez wrote: > > Hi, > > > > I had a nice discussion with tmux maintainers over at > > https://github.com/tmux/tmux/issues/13 about the tmux 2.0 regression > > on Cygwin. > > > > Long story short, tmux is trying to read /proc/<pid>/cmdline and > > /proc/<pid>/cwd for various reasons and for non-Cygwin programs this > > is quite slow. You can reproduce this easily run cmd.exe inside bash > > and try to > > > > cat /proc/<pid of cmd.exe>/cmdline > > Good catch! > > The problem here was that this functionality is very Cygwin centric. It > tries to call into the process itself to fetch the information. > > E.g, assuming you have some /proc/1234, it tries to fetch the information > by sending a request to process 1234 and then waits for that process > setting a semaphore. A non-Cygwin process will obviously fail to do so, > not knowing about the method at all. > > I fixed that in the Cygwin git repo and it seems to work much better now > to run native tools inside tmux with this change. > > I'll upload a developer snapshot on https://cygwin.com/snapshots/ later > today.
Snapshot is up. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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