Re: [Qemu-devel] [PATCH v2 3/4] qemu-char: add -chardev exit-on-eof option

[Eric Blake <eblake@redhat.com>]

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On 07/25/2014 07:16 AM, Stefan Hajnoczi wrote:
> When QEMU is executed as part of a test case or from a script, it is
> usually desirable to exit if the parent process terminates.  This
> ensures that "leaked" QEMU processes do not continue consuming resources
> after their parent has died.
> 
> This patch adds the -chardev exit-on-eof option causing socket and pipe
> chardevs to exit QEMU upon close.  This happens when a parent process
> deliberately closes its file descriptor but also when the kernel cleans
> up a crashed process.
> 
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>  include/sysemu/char.h |  1 +
>  qapi-schema.json      | 23 ++++++++++++++++-------
>  qemu-char.c           | 33 +++++++++++++++++++++++++++------
>  qemu-options.hx       | 19 +++++++++++++------
>  4 files changed, 57 insertions(+), 19 deletions(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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