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由 Gerd Hoffmann 提交于
Split socket closing and releasing of VncState into two steps. First close the socket and set the variable to -1 to indicate shutdown in progress. Do the actual release in a few places where we can be sure it doesn't cause trouble in form of use-after-free. Add some checks for a valid socket handle to make sure we don't try to use the closed socket. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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