newwindow() crashes unexpectedly

[Atcold]

Running this

for i = 1,100 do
win = qtwidget.newwindow(math.random(500),math.random(500))
print('Iteration ' .. i)
win:close()
end

will cause this, at a random "iteration"

qlua: /usr/local/share/lua/5.1/qtwidget/init.lua:222: bad argument #1 to 'connect' (QObject expected, got userdata)
stack traceback:
        [C]: at 0x010191b980
        [C]: in function 'connect'
        /usr/local/share/lua/5.1/qtwidget/init.lua:222: in function 'newwindow'

Is there a way to close the current window without creating problems?

[leonbottou]

This should fix it.

eed12cc

It seems that this was related to differences in the way lua and luajit handle weak tables.

•      L.
  

From: Alfredo Canziani [mailto:notifications@github.com]
Sent: Thursday, July 31, 2014 11:51 AM
To: torch/qtlua
Subject: [qtlua] newwindow() crashes unexpectedly (#5)

Running this

for i = 1,100 do
win = qtwidget.newwindow(math.random(500),math.random(500))
print('Iteration ' .. i)
win:close()
end

will cause this, at a random "iteration"

qlua: /usr/local/share/lua/5.1/qtwidget/init.lua:222: bad argument #1 to 'connect' (QObject expected, got userdata)
stack traceback:
[C]: at 0x010191b980
[C]: in function 'connect'
/usr/local/share/lua/5.1/qtwidget/init.lua:222: in function 'newwindow'

Is there a way to close the current window without creating problems?

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