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#ifndef _ddekit_timer_h
#define _ddekit_timer_h
#include "ddekit/thread.h"
#define jiffies (fetch_jiffies())
#define HZ 100
enum
{
DDEKIT_INVALID_TIMER_ID = -1,
};
/** \defgroup DDEKit_timer
*
* Timer subsystem
*
* DDEKit provides a generic timer implementation that enables users
* to execute a function with some arguments after a certain period
* of time. DDEKit therefore starts a timer thread that executes these
* functions and keeps track of the currently running timers.
*/
/** Add a timer event. After the absolute timeout has expired, function fn
* is called with args as arguments.
*
* \ingroup DDEKit_timer
*
* \return >=0 valid timer ID
* \return < 0 error
*/
int ddekit_add_timer(void (*fn)(void *), void *args, unsigned long timeout);
/** Delete timer with the corresponding timer id.
*
* \ingroup DDEKit_timer
*/
int ddekit_del_timer(int timer);
/** Check whether a timer is pending
*
* \ingroup DDEKit_timer
*
* Linux needs this.
*/
int ddekit_timer_pending(int timer);
/** Initialization function, startup timer thread
*
* \ingroup DDEKit_timer
*/
void ddekit_init_timers(void);
/** Get the timer thread.
*/
ddekit_thread_t *ddekit_get_timer_thread(void);
extern unsigned long fetch_jiffies (void);
#endif
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