jason.woltjeandClaude Opus 5.5
471f5cf202
Haiku subagent build under decision 129. Candidate manifest 9ac3a56e names packages/tasks/src/fake.mjs and packages/tasks/tests/tree.test.mjs. Gate and both named mutants ran in Sage's slot. Co-Authored-By: Claude Opus 5.5 <[email protected]>
56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
#!/usr/bin/env python3
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"""Run one command in its own session and process group, with a timeout.
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usage: run_group.py TIMEOUT_S LOGFILE CWD -- CMD [ARGS...]
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Child stdout and stderr go to LOGFILE. On timeout the whole process group gets
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SIGTERM, then SIGKILL after 5 s. After the child exits, anything still left in
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its group is killed too, so nothing from one step outlives it.
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Exit status: the child's, or 124 on timeout.
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"""
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import os
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import signal
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import subprocess
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import sys
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def group_kill(pgid, sig):
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try:
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os.killpg(pgid, sig)
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except ProcessLookupError:
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pass
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def main():
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timeout = float(sys.argv[1])
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log = sys.argv[2]
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cwd = sys.argv[3]
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cmd = sys.argv[sys.argv.index('--') + 1:]
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with open(log, 'w') as out:
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p = subprocess.Popen(
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cmd,
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cwd=cwd,
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stdout=out,
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stderr=subprocess.STDOUT,
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stdin=subprocess.DEVNULL,
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start_new_session=True,
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)
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try:
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rc = p.wait(timeout=timeout)
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except subprocess.TimeoutExpired:
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group_kill(p.pid, signal.SIGTERM)
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try:
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p.wait(timeout=5)
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except subprocess.TimeoutExpired:
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pass
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group_kill(p.pid, signal.SIGKILL)
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p.wait()
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out.write(f"\nTIMEOUT after {timeout:.0f}s: process group {p.pid} killed\n")
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rc = 124
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group_kill(p.pid, signal.SIGKILL)
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sys.exit(rc)
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if __name__ == '__main__':
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main()
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