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fix: handle signal.signal ValueError in non-main threads #484

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Merged
listar2000 merged 1 commit into from
Apr 4, 2026
Merged

fix: handle signal.signal ValueError in non-main threads #484

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5 changes: 4 additions & 1 deletion rllm/rewards/code_utils/taco.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,10 @@ def timeout_handler(signum, frame):
raise TimeoutException


signal.signal(signal.SIGALRM, timeout_handler)
try:
signal.signal(signal.SIGALRM, timeout_handler)
except ValueError:
pass # signal only works in main thread; skip in Ray workers
TIMEOUT = 90 # seconds

EXECUTION_RESULTS = {1: "passed", 0: "false", -1: "timeout", -2: "runtime_error", -3: "returncode:{code}", -4: "compile_error"}
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