[Qemu-devel] PATCH: add input buffer to mux chr

[Tristan Gingold]

Hi,

when the -nographic switch is set, the input can be blocked if the OS  
doesn't read bytes.  This can be
boring especially when the OS is frozen and you'd like to quit qemu  
or inspect registers.

I propose a solution for this issue: add input buffers to the mux  
chr.  Characters are accepted as long as
the buffer is not full, but escape to monitor is always allowed.

Tested for ppc-softmmu, compiled on all targets but cris.

Tristan.

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