#!/usr/bin/env python3
# Run threadpool_test6 under valgrind, check for leaks
import sys, subprocess, re, os
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valgrind_cmd = [“valgrind”, “–fair-sched=yes”, “–leak-check=full”, “–suppressions=sigaltstack.suppression”, “./threadpool_test6”]
proc = subprocess.Popen(valgrind_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = proc.communicate()
if proc.returncode != 0:
print(“test did not exit with zero”, file=sys.stderr)
sys.exit(proc.returncode)
# ==2343328== LEAK SUMMARY:
# ==2343328== definitely lost: 0 bytes in 0 blocks
# ==2343328== indirectly lost: 0 bytes in 0 blocks
# ==2343328== possibly lost: 0 bytes in 0 blocks
# ==2343328== still reachable: 0 bytes in 0 blocks
# ==1321353== in use at exit: 0 bytes in 0 blocks
# All heap blocks were freed — no leaks are possible
reports = set()
for line in stderr.decode().split(‘\n’):
line = line.strip()
m = re.match(r’==(\d+)==\s+(\S.*): (\d+) bytes in (\d+) blocks’, line)
g = m.groups()
cat, lost = g[1], g[2]
if lost != ‘0’:
print(f’expected no leaks, but valgrind reports: {line}’, file=sys.stderr)
print(f’run with {” “.join(valgrind_cmd)}’, file=sys.stderr)
sys.exit(1)
reports.add(cat)
# parent expects runresult.json under parent pid
os.rename(f’runresult.{os.getpid()}.json’, f’runresult.{os.getppid()}.json’)
except FileNotFoundError as fne:
print (fne, file=sys.stderr)
if reports == {‘possibly lost’, ‘indirectly lost’, ‘definitely lost’, ‘still reachable’} or reports == {‘in use at exit’}:
print (“Leak check successful.”)
sys.exit(0)
print (f’Leak check unsuccessful: {reports}’, file=sys.stderr)
sys.exit(1)
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