TaskManager.h

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#ifndef NW4HBM_SND_TASK_MANAGER_H
#define NW4HBM_SND_TASK_MANAGER_H
 
#include "Task.h"
 
#include <revolution/mem.h>
 
#define TASK_NUM 128
 
namespace nw4hbm {
    namespace snd {
        namespace detail {
 
            class TaskManager {
            public:
                typedef enum TaskPriority {
                    PRIORITY_LOW = 0,
                    PRIORITY_MIDDLE,
                    PRIORITY_HIGH,
                    PRIORITY_MAX
                } TaskPriority;
 
            public:
                static TaskManager& GetInstance();
 
                void AppendTask(Task* task, TaskPriority priority);
                Task* PopTask(TaskPriority priority);
 
                void Execute();
                bool ExecuteSingle() NO_INLINE;
 
                void CancelByTaskId(u32 taskId);
 
                u32 GetTaskBufferSize();
                void* Alloc();
                void Free(void* ptr);
 
                static u8 mTaskArea[0x2000 + 0x44];
 
            private:
                TaskManager();
 
                /* 0x00 */ OSMutex mMutex;
                /* 0x18 */ MEMHeapHandle mHeapHandle;
                /* 0x1C */ Task* mCurrentTask;
                /* 0x20 */ TaskList mTaskList[PRIORITY_MAX];
            };
 
        }  // namespace detail
    }  // namespace snd
}  // namespace nw4hbm
 
#endif