example

process_manager.h

struct Process
{
    Process* next_;
    Process* previous_;

    void (*function_)(void* caller_ptr, Purpose purpose);

    unsigned int id;

    Process()
    {
        previous_ = NULL;
        next_ = NULL;
        function_ = NULL;
        id = 0;
    }

    ~Process()
    {
        delete previous_;
        delete next_;
    }
};

class ProcessManager
{
public:
    ProcessManager();
    ~ProcessManager();

    int  Push( void (*Function)(void* caller_ptr, Purpose Purp),  void* caller_ptr = NULL);
    bool Pop( unsigned int id, void* caller_ptr = NULL);
    bool PopAll( void* caller_ptr = NULL);
    bool Process( void* caller_ptr = NULL);

private:
    Process* first_process_;
    Process* last_process_;
};