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-rw-r--r--bitbake/lib/bb/cooker.py29
1 files changed, 29 insertions, 0 deletions
diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index aeb3f71e2f..70cccefe0c 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -38,6 +38,8 @@ import bb, bb.exceptions, bb.command
from bb import utils, data, parse, event, cache, providers, taskdata, runqueue
import Queue
import signal
+import subprocess
+import errno
import prserv.serv
import pyinotify
@@ -1442,6 +1444,33 @@ class BBCooker:
def post_serve(self):
prserv.serv.auto_shutdown(self.data)
bb.event.fire(CookerExit(), self.event_data)
+ lockfile = self.lock.name
+ self.lock.close()
+ self.lock = None
+
+ while not self.lock:
+ with bb.utils.timeout(3):
+ self.lock = bb.utils.lockfile(lockfile, shared=False, retry=False, block=True)
+ if not self.lock:
+ # Some systems may not have lsof available
+ procs = None
+ try:
+ procs = subprocess.check_output(["lsof", '-w', lockfile], stderr=subprocess.STDOUT)
+ except OSError as e:
+ if e.errno != errno.ENOENT:
+ raise
+ if procs is None:
+ # Fall back to fuser if lsof is unavailable
+ try:
+ procs = subprocess.check_output(["fuser", '-v', lockfile], stderr=subprocess.STDOUT)
+ except OSError as e:
+ if e.errno != errno.ENOENT:
+ raise
+
+ msg = "Delaying shutdown due to active processes which appear to be holding bitbake.lock"
+ if procs:
+ msg += ":\n%s" % str(procs)
+ print(msg)
def shutdown(self, force = False):
if force: