yeah, my only knowledge of that stuff comes from my experience with perl...
i believe perl's system() call does a fork, then in the child an exec() and
in the parent a wait() or waitpid() or something along those lines...
I'd definitely need to read up on it.
I'm sure with other forking going on elsewhere in the server it gets more
complicated.
On Mon, May 30, 2011 at 7:26 AM, Nicholas Marriott <
nicholas.marri...@gmail.com> wrote:
> this is accurate, if-shell is asynchronous
>
> need to fix that sometime but it ain't easy
>
>
> On Sat, May 28, 2011 at 11:59:39AM -0700, Randy Stauner wrote:
> > I don't know too much about tmux internals but I'm going to take a
> guess
> > here:
> > I think the if-shell command is forking and running asynchronously
> > and tmux is creating the first window before that command returns and
> sets
> > the global option.
> > Simply setting the option (with -g) does work as expected (without the
> > if-shell)...
> > So I tried putting the if-shell line at the very top of my tmux.conf.
> > I tried doing the same thing with both "set-option -g" and simply
> > "set-option"...
> > at first it appeared to work, but on retrying it seemed inconsistent.
> > sometimes the first window gets it,
> > sometimes it doesn't. a second window usually seems to have it (but
> not
> > always...)
> > I even grep a ps listing to make sure the tmux server is down so that
> I'm
> > not getting a cached conf.
> > I tried putting a "sleep 9;" command in my if-shell and found that my
> > windows were created as fast as they ever are,
> > but TERM was set to "screen" (no matter how many windows I created)
> until
> > 9 seconds had passed.
> > Then new windows got the new setting.
> > So it appears that if-shell runs asynchronously even though you may
> not be
> > expecting that.
> > The run-shell command appears to operate the same way.
> > As a workaround you could put this TERM logic in your bashrc (or
> > rc/profile for whatever shell you use).
> > That's where I put it on my pc: I test if the terminfo db supports
> > screen-256color and then change it.
> >
> > I could certainly see it being handy to have a synchronous version of
> (or
> > an option for) if-shell...
> > On Sat, May 28, 2011 at 10:38 AM, qwerty asdfg <[1]bollo...@gmail.com
> >
> > wrote:
> >
> > Hello there.
> > I am having issues with the if statements
> > I have a line in my .tmux.conf like this:
> > if '[ -n $DISPLAY ]' 'set -g default-terminal screen-256color'
> > But it only works if I open another window,else the terminal is
> still
> > screen..Is there any way to fix this?
> >
>
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> >
> > Visible links
> > 1. mailto:bollo...@gmail.com
> > 2. http://p.sf.net/sfu/quest-d2dcopy1
> > 3. mailto:tmux-users@lists.sourceforge.net
> > 4. https://lists.sourceforge.net/lists/listinfo/tmux-users
>
> >
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>
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