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#ifndef PROCESS_ID_INL_H_
#error "Direct inclusion of this file is not allowed, include process_id.h"
// For the sake of sane code completion.
#include "process_id.h"
#endif
#include <atomic>
#include <util/system/compiler.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
namespace NDetail {
TProcessId GetProcessIdImpl();
} // namespace NDetail
extern std::atomic<TProcessId> CachedProcessId;
inline TProcessId GetProcessId()
{
auto cachedProcessId = CachedProcessId.load(std::memory_order::relaxed);
if (cachedProcessId == InvalidProcessId) [[unlikely]] {
cachedProcessId = NDetail::GetProcessIdImpl();
CachedProcessId.store(cachedProcessId, std::memory_order::relaxed);
}
return cachedProcessId;
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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