Zombies may never run and touch locked data again,
so for all practical purposes, they don't exist.
---
yum/__init__.py | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/yum/__init__.py b/yum/__init__.py
index 1807d61..c3b5255 100644
--- a/yum/__init__.py
+++ b/yum/__init__.py
@@ -1900,6 +1900,12 @@ class YumBase(depsolve.Depsolve):
msg = _('Unable to check if PID %s is active') % oldpid
raise Errors.LockError(errno.EPERM, msg, oldpid)
else:
+ try: st = open("/proc/%d/stat" % oldpid).read().split()[2]
+ except: st = None
+ if st == 'Z':
+ # The pid is a zombie.
+ self._unlock(lockfile)
+ continue
# Another copy seems to be running.
msg = _('Existing lock %s: another copy is running as pid
%s.') % (lockfile, oldpid)
raise Errors.LockError(0, msg, oldpid)
--
1.7.4.4
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