[oe-commits] [bitbake] 03/06: server/process: Make lockfile handling clearer

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rpurdie pushed a commit to branch 1.40
in repository bitbake.

commit b829d1b5eb486786cae088f6927530433a7e08e8
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Thu Nov 29 16:51:18 2018 +0000

    server/process: Make lockfile handling clearer
    
    This simplifies the code and makes it easier to read but has the
    same functionality.
    
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 lib/bb/server/process.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/bb/server/process.py b/lib/bb/server/process.py
index 42d7907..7cb08d5 100644
--- a/lib/bb/server/process.py
+++ b/lib/bb/server/process.py
@@ -239,6 +239,12 @@ class ProcessServer(multiprocessing.Process):
         while not lock:
             with bb.utils.timeout(3):
                 lock = bb.utils.lockfile(lockfile, shared=False, retry=False, block=True)
+                if lock:
+                    # We hold the lock so we can remove the file (hide stale pid data)
+                    bb.utils.remove(lockfile)
+                    bb.utils.unlockfile(lock)
+                    return
+
                 if not lock:
                     # Some systems may not have lsof available
                     procs = None
@@ -259,10 +265,6 @@ class ProcessServer(multiprocessing.Process):
                     if procs:
                         msg += ":\n%s" % str(procs)
                     print(msg)
-                    return
-        # We hold the lock so we can remove the file (hide stale pid data)
-        bb.utils.remove(lockfile)
-        bb.utils.unlockfile(lock)
 
     def idle_commands(self, delay, fds=None):
         nextsleep = delay

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