interrupt.h

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/// interrupt.h 
#ifndef _LINUX_INTERRUPT_H
#define _LINUX_INTERRUPT_H

struct bh_struct {
        void (*routine)(void *);
        void *data;
};

extern unsigned long bh_active;
extern unsigned long bh_mask;
extern struct bh_struct bh_base[32];

/**
*
 Who gets which entry in bh_base.  Things which will occur most often


*/
enum {
        TIMER_BH = 0,
        CONSOLE_BH,
        SERIAL_BH,
        TTY_BH,
        INET_BH,
        KEYBOARD_BH
};

extern inline void mark_bh(int nr)
{
        __asm__ __volatile__("orl %1,%0":"=m" (bh_active):"ir" (1<<nr));
}

extern inline void disable_bh(int nr)
{
        __asm__ __volatile__("andl %1,%0":"=m" (bh_mask):"ir" (~(1<<nr)));
}

extern inline void enable_bh(int nr)
{
        __asm__ __volatile__("orl %1,%0":"=m" (bh_mask):"ir" (1<<nr));
}

#endif

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