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47a78daf91
This PR is the beginning of attempts to wrap thread-unsafe getenv and set_env functions inside a RW mutex. Pull Request resolved: https://github.com/pytorch/pytorch/pull/119449 Approved by: https://github.com/malfet, https://github.com/albanD, https://github.com/eqy
30 lines
586 B
C++
30 lines
586 B
C++
#include <c10/util/DeadlockDetection.h>
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#include <c10/util/env.h>
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namespace c10::impl {
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namespace {
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PythonGILHooks* python_gil_hooks = nullptr;
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bool disable_detection() {
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return c10::utils::has_env("TORCH_DISABLE_DEADLOCK_DETECTION");
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}
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} // namespace
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bool check_python_gil() {
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if (!python_gil_hooks) {
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return false;
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}
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return python_gil_hooks->check_python_gil();
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}
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void SetPythonGILHooks(PythonGILHooks* hooks) {
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if (disable_detection()) {
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return;
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}
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TORCH_INTERNAL_ASSERT(!hooks || !python_gil_hooks);
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python_gil_hooks = hooks;
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}
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} // namespace c10::impl
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