Import of Linus's Linux 1.1.68

1 files changed, 89 insertions, 0 deletions

diff --git a/include/linux/timer.h b/include/linux/timer.h
new file mode 100644
index 000000000..a28616a2a
--- /dev/null
+++ b/include/linux/timer.h
@@ -0,0 +1,89 @@
+#ifndef _LINUX_TIMER_H
+#define _LINUX_TIMER_H
+
+/*
+ * DON'T CHANGE THESE!! Most of them are hardcoded into some assembly language
+ * as well as being defined here.
+ */
+
+/*
+ * The timers are:
+ *
+ * BLANK_TIMER		console screen-saver timer
+ *
+ * BEEP_TIMER		console beep timer
+ *
+ * RS_TIMER		timer for the RS-232 ports
+ * 
+ * HD_TIMER		harddisk timer
+ *
+ * HD_TIMER2		(atdisk2 patches)
+ *
+ * FLOPPY_TIMER		floppy disk timer (not used right now)
+ * 
+ * SCSI_TIMER		scsi.c timeout timer
+ *
+ * NET_TIMER		tcp/ip timeout timer
+ *
+ * COPRO_TIMER		387 timeout for buggy hardware..
+ *
+ * QIC02_TAPE_TIMER	timer for QIC-02 tape driver (it's not hardcoded)
+ *
+ * MCD_TIMER		Mitsumi CD-ROM Timer
+ */
+
+#define BLANK_TIMER	0
+#define BEEP_TIMER	1
+#define RS_TIMER	2
+
+#define HD_TIMER	16
+#define FLOPPY_TIMER	17
+#define SCSI_TIMER 	18
+#define NET_TIMER	19
+#define SOUND_TIMER	20
+#define COPRO_TIMER	21
+
+#define QIC02_TAPE_TIMER	22	/* hhb */
+#define MCD_TIMER	23
+
+#define HD_TIMER2	24
+
+struct timer_struct {
+	unsigned long expires;
+	void (*fn)(void);
+};
+
+extern unsigned long timer_active;
+extern struct timer_struct timer_table[32];
+
+/*
+ * This is completely separate from the above, and is the
+ * "new and improved" way of handling timers more dynamically.
+ * Hopefully efficient and general enough for most things.
+ *
+ * The "hardcoded" timers above are still useful for well-
+ * defined problems, but the timer-list is probably better
+ * when you need multiple outstanding timers or similar.
+ *
+ * The "data" field is in case you want to use the same
+ * timeout function for several timeouts. You can use this
+ * to distinguish between the different invocations.
+ */
+struct timer_list {
+	struct timer_list *next;
+	struct timer_list *prev;
+	unsigned long expires;
+	unsigned long data;
+	void (*function)(unsigned long);
+};
+
+extern void add_timer(struct timer_list * timer);
+extern int  del_timer(struct timer_list * timer);
+
+extern inline void init_timer(struct timer_list * timer)
+{
+	timer->next = NULL;
+	timer->prev = NULL;
+}
+
+#endif