87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
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#ifndef _LINUX_TIMER_H
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#define _LINUX_TIMER_H
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/*
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* DON'T CHANGE THESE!! Most of them are hardcoded into some assembly language
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* as well as being defined here.
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*/
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/*
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* The timers are:
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*
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* BLANK_TIMER console screen-saver timer
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*
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* BEEP_TIMER console beep timer
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*
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* RS_TIMER timer for the RS-232 ports
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*
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* HD_TIMER harddisk timer
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*
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* HD_TIMER2 (atdisk2 patches)
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*
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* FLOPPY_TIMER floppy disk timer (not used right now)
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*
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* SCSI_TIMER scsi.c timeout timer
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*
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* NET_TIMER tcp/ip timeout timer
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*
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* COPRO_TIMER 387 timeout for buggy hardware..
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*
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* TAPE_QIC02_TIMER timer for QIC-02 tape driver (it's not hardcoded)
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*
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* MCD_TIMER Mitsumi CD-ROM Timer
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*
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* SBPCD_TIMER SoundBlaster/Matsushita/Panasonic CD-ROM timer
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*/
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#define BLANK_TIMER 0
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#define BEEP_TIMER 1
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#define RS_TIMER 2
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#define HD_TIMER 16
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#define FLOPPY_TIMER 17
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#define SCSI_TIMER 18
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#define NET_TIMER 19
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#define SOUND_TIMER 20
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#define COPRO_TIMER 21
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#define TAPE_QIC02_TIMER 22 /* hhb */
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#define MCD_TIMER 23
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#define HD_TIMER2 24
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#define SBPCD_TIMER 25
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struct timer_struct {
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unsigned long expires;
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void (*fn)(void);
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};
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extern unsigned long timer_active;
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extern struct timer_struct timer_table[32];
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/*
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* This is completely separate from the above, and is the
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* "new and improved" way of handling timers more dynamically.
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* Hopefully efficient and general enough for most things.
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*
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* The "hardcoded" timers above are still useful for well-
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* defined problems, but the timer-list is probably better
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* when you need multiple outstanding timers or similar.
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*
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* The "data" field is in case you want to use the same
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* timeout function for several timeouts. You can use this
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* to distinguish between the different invocations.
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*/
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struct timer_list {
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struct timer_list *next;
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unsigned long expires;
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unsigned long data;
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void (*function)(unsigned long);
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};
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extern void add_timer(struct timer_list * timer);
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extern int del_timer(struct timer_list * timer);
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#endif
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