Method TImpl

util/system/sem.cpp:247–250

class TFastSemaphore::TImpl: public TPosixSemaphore {
public:
    inline TImpl(ui32 n)
        : TPosixSemaphore(n)
    {
    }
};
#else
class TFastSemaphore::TImpl: public TString, public TSemaphoreImpl {