[bitbake-devel] [PATCH] bitbake: reset build mtime cache before the build
Ed Bartosh
ed.bartosh at linux.intel.com
Tue Apr 21 15:48:49 UTC 2015
Introduced build mtime cache structure. Reset it before the build
to prevent bitbake from crashing when build/tmp/stamps hierarchy
is removed.
[YOCTO: #7562]
Signed-off-by: Ed Bartosh <ed.bartosh at linux.intel.com>
---
bitbake/lib/bb/build.py | 17 ++++++++++++++++-
bitbake/lib/bb/cooker.py | 3 ++-
2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/bitbake/lib/bb/build.py b/bitbake/lib/bb/build.py
index 65cc851..0f6aa1a 100644
--- a/bitbake/lib/bb/build.py
+++ b/bitbake/lib/bb/build.py
@@ -31,6 +31,7 @@ import logging
import shlex
import glob
import time
+import stat
import bb
import bb.msg
import bb.process
@@ -42,6 +43,20 @@ logger = logging.getLogger('BitBake.Build')
NULL = open(os.devnull, 'r+')
+__mtime_cache = {}
+
+def cached_mtime_noerror(f):
+ if f not in __mtime_cache:
+ try:
+ __mtime_cache[f] = os.stat(f)[stat.ST_MTIME]
+ except OSError:
+ return 0
+ return __mtime_cache[f]
+
+def reset_cache():
+ global __mtime_cache
+ __mtime_cache = {}
+
# When we execute a Python function, we'd like certain things
# in all namespaces, hence we add them to __builtins__.
# If we do not do this and use the exec globals, they will
@@ -535,7 +550,7 @@ def stamp_internal(taskname, d, file_name, baseonly=False):
stamp = bb.parse.siggen.stampfile(stamp, file_name, taskname, extrainfo)
stampdir = os.path.dirname(stamp)
- if bb.parse.cached_mtime_noerror(stampdir) == 0:
+ if cached_mtime_noerror(stampdir) == 0:
bb.utils.mkdirhier(stampdir)
return stamp
diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index 9c101f2..ddf5fed 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -35,7 +35,7 @@ from contextlib import closing
from functools import wraps
from collections import defaultdict
import bb, bb.exceptions, bb.command
-from bb import utils, data, parse, event, cache, providers, taskdata, runqueue
+from bb import utils, data, parse, event, cache, providers, taskdata, runqueue, build
import Queue
import signal
import prserv.serv
@@ -1343,6 +1343,7 @@ class BBCooker:
return True
return retval
+ build.reset_cache()
self.buildSetVars()
taskdata, runlist, fulltargetlist = self.buildTaskData(targets, task, self.configuration.abort)
--
2.1.4
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