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Revision cc84de95

IDcc84de9570ffe01a9c3c169bd62ab9586a9a080c

Added by Marcelo Tosatti about 12 years ago

kvm: consume internal signal with sigtimedwait

Change the way the internal qemu signal, used for communication between
iothread and vcpus, is handled.

Block and consume it with sigtimedwait on the outer vcpu loop, which
allows more precise timing control.

Change from standard signal (SIGUSR1) to real-time one, so multiple
signals are not collapsed.

Set the signal number on KVM's in-kernel allowed sigmask.

Signed-off-by: Marcelo Tosatti <>
Signed-off-by: Avi Kivity <>

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