yes it does.

i also had my first experience of tmux completely not responding...
(only happened once so far).
since i have "tmux list-sessions" in my .bashrc
I had to open a new xterm with a different shell (dash) just to be able to issue a "killall tmux".
Was this hang related to the NOEPOLL or should i just go back to using the 1.4 release?

On Fri, Apr 29, 2011 at 12:06 AM, Nicholas Marriott <> wrote:
If you kill tmux entirely and export EVENT_NOEPOLL=1 before starting it
again does the problem go away?

On Thu, Apr 28, 2011 at 09:43:12AM -0700, Randy Stauner wrote:
>    I was trying to source a conf file to create default windows,
>    but it seems that when doing
>    if-shell "tmux has-session -t auto" "display-message yes"
>    tmux seems to hang on the "has-session" call if the session does not
>    exist.
>    I can see these in a ps:
>    rando    27867  0.0  0.0   1832   496 ?        S    08:51   0:00 sh -c
>    tmux has-session -t auto
>    rando    27868  0.0  0.0   2968  1072 ?        S    08:51   0:00 tmux
>    has-session -t auto
>    I think they'll sit there like that forever.
>    If I kill the child process (27868 in the example) with SIGTERM then,
>    ironically, my tmux session will display the message.
>    If I send a SIGKILL I see nothing.
>    If i run it from my shell (using "tmux if-shell ..." instead of the tmux
>    command prompt)
>    my shell will just hang.  It won't even respond to SIGINT (Ctrl-C).
>    I have to switch to another window and kill it.
>    If the session *does* exist (tmux if-shell "tmux has-session -t 0"
>    "display-message hi")
>    it returns immediately and displays the expected message.
>    I also don't see any problems with has-session without the if-shell.
>    I have experienced the same thing with the following configurations:
>    tmux 1.4 and 1.5 from the sourceforge CVS (as of 2011-4-28T16:12:48Z).
>    Ubuntu 10.04.2 LTS: Linux 2.6.32-31-generic #61-Ubuntu SMP Fri Apr 8
>    18:24:35 UTC 2011 i686 GNU/Linux
>    libevent 1.4
>    tmux 1.4
>    Debian 5.0.5: Linux 2.6.26-2-686-bigmem #1 SMP Wed Nov 4 21:12:12 UTC 2009
>    i686 GNU/Linux
>    libevent 2.0
>    I've tried it all through the same gui terminal (xfce4-terminal with
>    TERM=xterm-256color).
>    Let me know if you'd like any more info or if there's something else I
>    should try.
>    Thanks!
>    - Randy

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