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[core] Implement graceful process termination on Windows #54374

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[core] Implement graceful process termination on Windows#54374
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community-contributionContributed by the communitycoreIssues that should be addressed in Ray Corewindows
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@rueian
rueian
opened on Jul 7, 2025

ray/src/ray/raylet/worker.cc

Lines 71 to 76 in cc5a8ca

#ifdef _WIN32
// TODO(mehrdadn): implement graceful process termination mechanism
#else
// Attempt to gracefully shutdown the worker before force killing it.
kill(worker->GetProcess().GetId(), SIGTERM);
#endif

See above, we currently send SIGTERM on non-Windows operating systems when killing a worker, but do nothing on Windows.

It will be great if we can have a SIGTERM equivalent on Windows as well.

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