DWORD WINAPI NewThread5(PVOID d){
    HANDLE hdl = CreateMutexA(0,true,"Mu");
    auto* k = (MainWindow*)d;
    for(int j =0; j < 30; j++){
        WaitForSingleObject(hdl,INFINITE);
        k->s+=5;
        Sleep(5);
        k->s-=5;
        emit k->bell(k->s);
    }
    ReleaseMutex(hdl);
}
 
 
 
DWORD WINAPI NewThread6(PVOID d){
    HANDLE hdl = OpenMutexA(0,0,"Mu");
    WaitForSingleObject(hdl,INFINITE);
    auto* k = (MainWindow*)d;
    for(int j =0; j < 30; j++){
 
        k->s-=5;
        Sleep(5);
        k->s+=5;
        emit k->bell2(k->s);
    }
 
}

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