* replace Tcl/Tk's vwait and tkwait to switch on threads smoothly and
avoid seg-fault.
* add TclTkIp._thread_vwait and _thread_tkwait for waiting on a thread.
( Because Tcl/Tk's vwait and tkwait command wait on a eventloop. )
ext/tk/lib/multi-tk.rb:
* support TclTkIp._thread_vwait and _thread_tkwait
ext/tk/lib/tk.rb:
* now, TkVariable#wait has 2 arguments.
If 1st argument is true, waits on a thread. If false, waits on an eventloop.
If 2nd argument is true, checks existence of rootwidgets. If false, doesn't.
Default is wait(true, false).
* add TkVariable#tkwait(arg) which is equal to TkVariable#wait(arg, true)
* wait_visibility and wait_destroy have an argument for waiting on a
thread or an eventloop.
* improve of accessing Tcl/Tk's special variables
ext/tk/lib/tkafter.rb:
* support 'wait on a thread' and 'wait on an eventloop'
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4762 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.