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framework: Lock files which could be read/written to concurrently

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Add file locking to files that could be read and written to concurrently
by separate wa processes causing race conditions.
This commit is contained in:
Marc Bonnici
2020-01-03 11:16:48 +00:00
committed by setrofim
parent d56f0fbe20
commit 607cff4c54
5 changed files with 65 additions and 50 deletions
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5
wa/instruments/misc.py
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@@ -38,7 +38,7 @@ from wa import Instrument, Parameter, very_fast
from wa.framework.exception import ConfigError
from wa.framework.instrument import slow
from wa.utils.diff import diff_sysfs_dirs, diff_interrupt_files
from wa.utils.misc import as_relative
from wa.utils.misc import as_relative, lock_file
from wa.utils.misc import ensure_file_directory_exists as _f
from wa.utils.misc import ensure_directory_exists as _d
from wa.utils.types import list_of_strings
@@ -244,7 +244,8 @@ class ApkVersion(Instrument):
def setup(self, context):
if hasattr(context.workload, 'apk_file'):
self.apk_info = ApkInfo(context.workload.apk_file)
with lock_file(context.workload.apk_file):
self.apk_info = ApkInfo(context.workload.apk_file)
else:
self.apk_info = None