I have reduced the test case in this mail
http://cygwin.com/ml/cygwin/2009-07/msg00111.html
to a simpler one:
$/bin/emacs --batch -q --execute '(let ((num 0))
(while (< num 30)
(setq num (+ num 1))
(message "num is %d" num)
(start-process "hello" nil "/usr/bin/echo")))'
Emacs will coredump at the 30th process it tries to start on my XP.
Now I think this should seem familiar to the experts. I tried to gdb it,
the backtrace shows segfault is happening at the same place
(#0 0x610949d8 in fhandler_pipe::create () from /usr/bin/cygwin1.dll)
You might need to tweak the (< num 30) to (< num 40) or bigger, also, to
use gdb on it, you need write the lisp into a file and use `-l' to load
the file:
cat > ~/2.el <<End
(let ((num 0))
(while (< num 40)
(setq num (+ num 1))
(message "num is %d" num)
(start-process "hello" nil "/usr/bin/echo")))
End
gdb --args ./emacs --batch -q -l ~/2.el
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