// Public nt-lite DDK deferred procedure call declarations.

#pragma once

#include <stdint.h>
#include <stdbool.h>
#include <ntlite/ddk/list.h>
#include <ntlite/ddk/sync.h>

typedef struct KDPC KDPC;

typedef void (*KDEFERRED_ROUTINE)(KDPC* dpc,
                                  void* context,
                                  void* systemArgument1,
                                  void* systemArgument2);

// Legacy DPC storage used by current kernel-mode drivers.
struct KDPC {
    LIST_ENTRY Link;
    KDEFERRED_ROUTINE Routine;
    void* Context;
    void* SystemArgument1;
    void* SystemArgument2;
    volatile long Inserted;
};

// Initializes a DPC object.
__declspec(dllexport) void KeInitializeDpc(KDPC* dpc,
                                           KDEFERRED_ROUTINE routine,
                                           void* context);

// Queues a DPC if it is not already queued.
__declspec(dllexport) bool KeInsertQueueDpc(KDPC* dpc,
                                            void* systemArgument1,
                                            void* systemArgument2);