On 7/10/19 5:47 PM, Daniel P. Berrangé wrote:
When we allow multiple instances of the driver for the same user
account, using a separate root directory, we need to ensure mutual
exclusion. Use a pidfile to guarantee this.
In privileged libvirtd this ends up locking
/var/run/libvirt/nodedev/driver.pid
In unprivileged libvirtd this ends up locking
/run/user/$UID/libvirt/nodedev/run/driver.pid
NB, the latter can vary depending on $XDG_RUNTIME_DIR
Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
---
src/conf/virnodedeviceobj.h | 5 +++++
src/node_device/node_device_hal.c | 31 +++++++++++++++++++++++++++++
src/node_device/node_device_udev.c | 32 ++++++++++++++++++++++++++++++
3 files changed, 68 insertions(+)
Side note, isn't it time to finally kill hal backend? Is somebody still
using it?
Michal
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