include/linux/timer.h

/* */
   1 #ifndef _LINUX_TIMER_H
   2 #define _LINUX_TIMER_H
   3 
   4 /*
   5  * DON'T CHANGE THESE!! Most of them are hardcoded into some assembly language
   6  * as well as being defined here.
   7  */
   8 
   9 /*
  10  * The timers are:
  11  *
  12  * BLANK_TIMER          console screen-saver timer
  13  *
  14  * BEEP_TIMER           console beep timer
  15  *
  16  * RS_TIMER             timer for the RS-232 ports
  17  * 
  18  * HD_TIMER             harddisk timer
  19  *
  20  * HD_TIMER2            (atdisk2 patches)
  21  *
  22  * FLOPPY_TIMER         floppy disk timer (not used right now)
  23  * 
  24  * SCSI_TIMER           scsi.c timeout timer
  25  *
  26  * NET_TIMER            tcp/ip timeout timer
  27  *
  28  * COPRO_TIMER          387 timeout for buggy hardware..
  29  *
  30  * TAPE_QIC02_TIMER     timer for QIC-02 tape driver (it's not hardcoded)
  31  *
  32  * MCD_TIMER            Mitsumi CD-ROM Timer
  33  *
  34  * SBPCD_TIMER          SoundBlaster/Matsushita/Panasonic CD-ROM timer
  35  */
  36 
  37 #define BLANK_TIMER     0
  38 #define BEEP_TIMER      1
  39 #define RS_TIMER        2
  40 
  41 #define HD_TIMER        16
  42 #define FLOPPY_TIMER    17
  43 #define SCSI_TIMER      18
  44 #define NET_TIMER       19
  45 #define SOUND_TIMER     20
  46 #define COPRO_TIMER     21
  47 
  48 #define TAPE_QIC02_TIMER        22      /* hhb */
  49 #define MCD_TIMER       23
  50 
  51 #define HD_TIMER2       24
  52 
  53 #define SBPCD_TIMER     25
  54 
  55 struct timer_struct {
  56         unsigned long expires;
  57         void (*fn)(void);
  58 };
  59 
  60 extern unsigned long timer_active;
  61 extern struct timer_struct timer_table[32];
  62 
  63 /*
  64  * This is completely separate from the above, and is the
  65  * "new and improved" way of handling timers more dynamically.
  66  * Hopefully efficient and general enough for most things.
  67  *
  68  * The "hardcoded" timers above are still useful for well-
  69  * defined problems, but the timer-list is probably better
  70  * when you need multiple outstanding timers or similar.
  71  *
  72  * The "data" field is in case you want to use the same
  73  * timeout function for several timeouts. You can use this
  74  * to distinguish between the different invocations.
  75  */
  76 struct timer_list {
  77         struct timer_list *next;
  78         struct timer_list *prev;
  79         unsigned long expires;
  80         unsigned long data;
  81         void (*function)(unsigned long);
  82 };
  83 
  84 extern void add_timer(struct timer_list * timer);
  85 extern int  del_timer(struct timer_list * timer);
  86 
  87 #endif
/* */
root/include/linux/timer.h

INCLUDED FROM
