It is accomplished ...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-07-09 12:24:59 +00:00
commit 52a3801208
2025 changed files with 472889 additions and 0 deletions
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+/* 
+** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
+** Distributed under the terms of the NewOS License.
+*/
+#ifndef _KERNEL_TIMER_H
+#define _KERNEL_TIMER_H
+
+#include <stage2.h>
+
+typedef int (*timer_callback)(void *);
+
+
+typedef enum {
+	TIMER_MODE_ONESHOT = 0,
+	TIMER_MODE_PERIODIC
+} timer_mode;
+
+struct timer_event {
+	struct timer_event *next;
+	timer_mode mode;
+	bigtime_t sched_time;
+	bigtime_t periodic_time;
+	timer_callback func;
+	void *data;
+};
+
+void timer_setup_timer(timer_callback func, void *data, struct timer_event *event);
+int timer_set_event(bigtime_t relative_time, timer_mode mode, struct timer_event *event);
+int timer_cancel_event(struct timer_event *event);
+void spin(bigtime_t microseconds);
+
+/* kernel functions */
+int  timer_init(kernel_args *);
+int  timer_interrupt(void);
+
+/*
+ * these two are only to be used by the scheduler
+ */
+int local_timer_cancel_event(struct timer_event *event);
+int _local_timer_cancel_event(int curr_cpu, struct timer_event *event);
+
+#endif
+