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bugfix: clean NPU process shutdown (bypass process-static destructors). #2209

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bugfix: clean NPU process shutdown (bypass process-static destructors). #2209

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22 changes: 21 additions & 1 deletion xllm/xllm.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,10 @@ namespace py = pybind11;
#endif

#include <csignal>
#include <cstdio>
#include <cstdlib>
#include <filesystem>
#include <iostream>
#include <memory>
#include <random>

Expand Down Expand Up @@ -302,6 +305,18 @@ void init_npu_python_runtime() {
PyEval_SaveThread();
}
}

[[noreturn]] void exit_npu_process(int exit_code) {
VerboseTraceLogger::get_instance().shutdown();
LOG(INFO) << "NPU process shutdown complete; bypassing process-static "
"destructors, exit_code="
<< exit_code;
google::FlushLogFiles(google::INFO);
std::cout.flush();
std::cerr.flush();
std::fflush(nullptr);
std::_Exit(exit_code);
}
} // namespace
#endif

Expand Down Expand Up @@ -605,5 +620,10 @@ int main(int argc, char** argv) {
init_npu_python_runtime();
#endif

return run();
const int exit_code = run();
#if defined(USE_NPU)
exit_npu_process(exit_code);
#else
return exit_code;
#endif
}
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