error on TTY read: bad file descriptor

[Atom Smasher <atom@xxxxxxxxxxx>]

here's an edge case...

 ## Cygwin 6.8.99.903(242)
 ## zsh 4.3.9 (i686-pc-cygwin)

http://smasher.org/tmp/zsh-tty-fail.txt

start up zsh in an XTerm(tm) with no rc file (zsh -f) then source the file 
"zsh-tty-fail.txt".

not every time, but most of the time, when you re-size the terminal the 
shell will die with the message:
	zsh: error on TTY read: bad file descriptor

the workaround so far is to just disable TRAPWINCH if it's an xterm on 
cygwin. google doesn't tell me much about the error, except that someone 
found it once before but didn't give enough details for it to be 
duplicated. with this set up i can cause the error very consistently.


--
        ...atom

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