Use python 'with' symantics to ensure that the /proc/pressure/cpu file
descriptor used in SystemStats init is closed. Previously, this would
lead to a single file descriptor being leaked. For example:
ResourceWarning: unclosed file <_io.BufferedReader name='/proc/pressure/cpu'>
Signed-off-by: Aryaman Gupta <aryaman.gu...@windriver.com>
---
meta/lib/buildstats.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/meta/lib/buildstats.py b/meta/lib/buildstats.py
index 5d32a81906..99a8303d5e 100644
--- a/meta/lib/buildstats.py
+++ b/meta/lib/buildstats.py
@@ -23,8 +23,8 @@ class SystemStats:
# and ensure that the reduce_proc_pressure directory is not created.
if os.path.exists("/proc/pressure"):
try:
- source = open('/proc/pressure/cpu', 'rb')
- source.read()
+ with open('/proc/pressure/cpu', 'rb') as source:
+ source.read()
pressuredir = os.path.join(bsdir, 'reduced_proc_pressure')
bb.utils.mkdirhier(pressuredir)
file_handlers.extend([('pressure/cpu', self._reduce_pressure),
--
2.35.1
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