Brian Goff 1a60a805bf Fix panic on starting exec more than once ... Issue was caused when exec is tarted, exits, then stated again. In this case, `Close` is called twice, which closes a channel twice. Changes execConfig.ExitCode to a pointer so we can test if the it has been set or not. This allows us to return early when the exec has already been run. Signed-off-by: Brian Goff <cpuguy83@gmail.com>		2016-01-15 11:57:23 -05:00
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exec.go	Fix panic on starting exec more than once	2016-01-15 11:57:23 -05:00