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#!/usr/bin/env python3
"""
Simplified minimal reproducer for SOCKET_WRAPPER concurrency issue.
"""
import subprocess
import concurrent.futures
def run_subprocess():
"""Run a simple subprocess."""
# Simple command that might trigger socket operations
p = subprocess.Popen(['echo', 'test'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
return stdout.decode().strip()
def main():
# Run multiple subprocesses in parallel using ProcessPoolExecutor. The pool
# executor processes do fd passing over unix socket.
with concurrent.futures.ProcessPoolExecutor(max_workers=4) as executor:
futures = [executor.submit(run_subprocess) for _ in range(10)]
for i, future in enumerate(concurrent.futures.as_completed(futures)):
result = future.result()
print(f"Task {i}: {result}")
if __name__ == '__main__':
main()
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