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#pragma once
#include <c10/macros/Macros.h>
namespace caffe2 {
// A RAII, thread local (!) guard that enables or disables grad mode upon
// construction, and sets it back to the original value upon destruction.
struct TORCH_API _NoPThreadPoolGuard {
static bool is_enabled();
static void set_enabled(bool enabled);
_NoPThreadPoolGuard(): prev_mode_(_NoPThreadPoolGuard::is_enabled()) {
_NoPThreadPoolGuard::set_enabled(true);
}
~_NoPThreadPoolGuard() {
_NoPThreadPoolGuard::set_enabled(prev_mode_);
}
private:
bool prev_mode_;
};
}
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