3f14b909eb
The QMP monitor, NBD server, and vhost-user-blk export all support file
descriptor passing. This is a useful technique because it allows the
parent process to spawn and wait for qemu-storage-daemon without busy
waiting, which may delay startup due to arbitrary sleep() calls.
This Python example is inspired by the test case written for libnbd by
Richard W.M. Jones <rjones@redhat.com>:
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| .. | ||
| _templates | ||
| config | ||
| devel | ||
| interop | ||
| specs | ||
| sphinx | ||
| spin | ||
| system | ||
| tools | ||
| user | ||
| amd-memory-encryption.txt | ||
| barrier.txt | ||
| block-replication.txt | ||
| bootindex.txt | ||
| can.txt | ||
| ccid.txt | ||
| COLO-FT.txt | ||
| colo-proxy.txt | ||
| conf.py | ||
| confidential-guest-support.txt | ||
| defs.rst.inc | ||
| generic-loader.txt | ||
| hyperv.txt | ||
| igd-assign.txt | ||
| image-fuzzer.txt | ||
| index.rst | ||
| memory-hotplug.txt | ||
| meson.build | ||
| multi-thread-compression.txt | ||
| multiseat.txt | ||
| nvdimm.txt | ||
| papr-pef.txt | ||
| pci_expander_bridge.txt | ||
| pcie_pci_bridge.txt | ||
| pcie.txt | ||
| pvrdma.txt | ||
| qcow2-cache.txt | ||
| qdev-device-use.txt | ||
| qemu_logo.pdf | ||
| qemu-option-trace.rst.inc | ||
| qemupciserial.inf | ||
| rdma.txt | ||
| replay.txt | ||
| spice-port-fqdn.txt | ||
| throttle.txt | ||
| u2f.txt | ||
| usb2.txt | ||
| usb-storage.txt | ||
| virtio-balloon-stats.txt | ||
| xbzrle.txt | ||
| xen-save-devices-state.txt | ||