minix/include/ddekit/timer.h

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2011-02-25 13:31:20 +01:00
#ifndef _DDEKIT_TIMER_H
#define _DDEKIT_TIMER_H
#include <ddekit/ddekit.h>
#include <ddekit/thread.h>
/** \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
*/
_PROTOTYPE( int ddekit_add_timer,
(void (*fn)(void *), void *args, unsigned long timeout));
/** Delete timer with the corresponding timer id.
*
* \ingroup DDEKit_timer
*/
_PROTOTYPE( int ddekit_del_timer, (int timer));
/** Check whether a timer is pending
*
* \ingroup DDEKit_timer
*
* Linux needs this.
*/
_PROTOTYPE( int ddekit_timer_pending, (int timer));
/** Initialization function, startup timer thread
*
* \ingroup DDEKit_timer
*/
_PROTOTYPE( void ddekit_init_timers, (void));
/** Get the timer thread.
*/
_PROTOTYPE( ddekit_thread_t *ddekit_get_timer_thread, (void));
#endif