handlers.cpp

来自「Jazmyn is a 32-bit, protected mode, mult」· C++ 代码 · 共 28 行

/*
 * Copyright (C) 2004, Thejesh AP. All rights reserved.
 */

#include<sys\types.h>
#include<null.h>
#include<jazmyn\handlers.h>

void (*handler[16])()={
                        NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
                        NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL
                       };

int set_handler(int irq,void (*driver_handler)())
{
        if(handler[irq]) return -1;
        handler[irq] = driver_handler;
        return 0;
}

int reset_handler(int irq,void (*driver_handler)())
{
        if(handler[irq] == NULL) return -1;
        if(handler[irq] != driver_handler) return -1;
        handler[irq] = NULL;
        return 0;
}