Re: [Qemu-devel] [PATCH v2 2/3] iotests: Add "wait" functionality to _cleanup_qemu

[Stefan Hajnoczi]

On Fri, Feb 06, 2015 at 04:06:17PM -0500, Max Reitz wrote:
> diff --git a/tests/qemu-iotests/common.qemu b/tests/qemu-iotests/common.qemu
> index 8e618b5..4e1996c 100644
> --- a/tests/qemu-iotests/common.qemu
> +++ b/tests/qemu-iotests/common.qemu
> @@ -187,13 +187,23 @@ function _launch_qemu()
>  
>  
>  # Silenty kills the QEMU process
> +#
> +# If $wait is set to anything other than the empty string, the process will 
> not
> +# be killed but only waited for, and any output will be forwarded to stdout. 
> If
> +# $wait is empty, the process will be killed and all output will be 
> suppressed.
>  function _cleanup_qemu()
>  {
>      # QEMU_PID[], QEMU_IN[], QEMU_OUT[] all use same indices
>      for i in "address@hidden"
>      do
> -        kill -KILL ${QEMU_PID[$i]} 2>/dev/null
> +        if [ -z "${wait}" ]; then

Is the global variable (with a common name) necessary?

function _cleanup_qemu()
{
    wait=$1
...

_cleanup_qemu
OR
_cleanup_qemu --wait

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