[vbox-dev] VBox equivalent to QEMU's CharDriverState?

[Huihong Luo]

Hi,
Does vbox has something equivalent to QEMU's CharDriverState?

https://android.googlesource.com/platform/external/qemu/+/android-5.1.1_r8/docs/CHAR-DEVICES.TXT
It's like a charactor pipe to different components to communicate inside QEMU process. Read/Write handlers can be registered, and one component can send/recv data.
I know vbox has a driver interface to deal with i/o for virtual devices inside vbox process. Does vbox provide a closer equivalent to CharDriverState?
Thanks,
- Huihong

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