src/add-ons/kernel/drivers/network/ipro1000/timer.h

   1 /* Intel PRO/1000 Family Driver
   2  * Copyright (C) 2004 Marcus Overhagen <marcus@overhagen.de>. All rights reserved.
   3  *
   4  * Permission to use, copy, modify and distribute this software and its
   5  * documentation for any purpose and without fee is hereby granted, provided
   6  * that the above copyright notice appear in all copies, and that both the
   7  * copyright notice and this permission notice appear in supporting documentation.
   8  *
   9  * Marcus Overhagen makes no representations about the suitability of this software
  10  * for any purpose. It is provided "as is" without express or implied warranty.
  11  *
  12  * MARCUS OVERHAGEN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  13  * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL MARCUS
  14  * OVERHAGEN BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
  15  * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  17  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19 #ifndef __TIMER_H
  20 #define __TIMER_H
  21
  22 #include <KernelExport.h>
  23
  24 // Since the BeOS kernel timers are executed in interrupt context,
  25 // a new timer has been created. The timers are executed in thread
  26 // context, and are passed a cookie.
  27
  28 typedef int32 timer_id;
  29
  30 typedef void (*timer_function)(void *cookie);
  31
  32 // create_timer() can be called from interrupt context.
  33 // Only up to 4 concurrent timers are supported.
  34 // Flags can be one of B_ONE_SHOT_ABSOLUTE_TIMER,
  35 // B_ONE_SHOT_RELATIVE_TIMER or B_PERIODIC_TIMER.
  36
  37 timer_id        create_timer(timer_function func, void *cookie, bigtime_t interval, uint32 flags);
  38 status_t        delete_timer(timer_id id);
  39
  40
  41 status_t        initialize_timer(void);
  42 status_t        terminate_timer(void);
  43
  44 #endif