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-rw-r--r--bitbake/lib/bb/utils.py8
1 files changed, 7 insertions, 1 deletions
diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index 5dc7e766f..c6bbae87a 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -445,7 +445,13 @@ def unlockfile(lf):
"""
Unlock a file locked using lockfile()
"""
- os.unlink(lf.name)
+ try:
+ # If we had a shared lock, we need to promote to exclusive before
+ # removing the lockfile. Attempt this, ignore failures.
+ fcntl.flock(lf.fileno(), fcntl.LOCK_EX|fcntl.LOCK_NB)
+ os.unlink(lf.name)
+ except IOError:
+ pass
fcntl.flock(lf.fileno(), fcntl.LOCK_UN)
lf.close()