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dom0/core: introduce is_guid_running() and use it in is_fully_usable()

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To improve code reuse, especially to remove direct checking for
"/var/run/qubes/guid_running.{0}" in many places.
This commit is contained in:
Marek Marczykowski 2012-06-13 17:08:30 +02:00
parent 6a929190d2
commit 46db1e83f0
1 changed files with 8 additions and 2 deletions
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10
dom0/qvm-core/qubes.py
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@ -650,12 +650,18 @@ class QubesVm(object):
return "NA"
def is_fully_usable(self):
def is_guid_running(self):
xid = self.get_xid()
if xid < 0:
return False
if not os.path.exists('/var/run/qubes/guid_running.%d' % xid):
return False
return True
def is_fully_usable(self):
# Running gui-daemon implies also VM running
if not self.is_guid_running():
return False
# currently qrexec daemon doesn't cleanup socket in /var/run/qubes, so
# it can be left from some other VM
return True
@ -1312,7 +1318,7 @@ class QubesVm(object):
raise QubesException("Not enough memory to start '{0}' VM! Close one or more running VMs and try again.".format(self.name))
xid = self.get_xid()
if os.getenv("DISPLAY") is not None and not os.path.isfile("/var/run/qubes/guid_running.{0}".format(xid)):
if os.getenv("DISPLAY") is not None and not self.is_guid_running():
self.start_guid(verbose = verbose, notify_function = notify_function)
args = [qrexec_client_path, "-d", str(xid), command]