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tests: deal with parallel exit of process we are reaping

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Signed-off-by: Christian Hopps <chopps@labn.net>
This commit is contained in:
Christian Hopps 2021-09-06 05:33:55 -04:00
parent 89084fc30f
commit 20b31fffc1
1 changed files with 16 additions and 10 deletions
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26
tests/topotests/lib/micronet_compat.py
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@ -33,16 +33,22 @@ def get_pids_with_env(has_var, has_val=None):
result = {}
for pidenv in glob.iglob("/proc/*/environ"):
pid = pidenv.split("/")[2]
with open(pidenv, "rb") as rfb:
envlist = [x.decode("utf-8").split("=", 1) for x in rfb.read().split(b"\0")]
envlist = [[x[0], ""] if len(x) == 1 else x for x in envlist]
envdict = dict(envlist)
if has_var not in envdict:
continue
if has_val is None:
result[pid] = envdict
elif envdict[has_var] == str(has_val):
result[pid] = envdict
try:
with open(pidenv, "rb") as rfb:
envlist = [
x.decode("utf-8").split("=", 1) for x in rfb.read().split(b"\0")
]
envlist = [[x[0], ""] if len(x) == 1 else x for x in envlist]
envdict = dict(envlist)
if has_var not in envdict:
continue
if has_val is None:
result[pid] = envdict
elif envdict[has_var] == str(has_val):
result[pid] = envdict
except Exception:
# E.g., process exited and files are gone
pass
return result