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Linux Cross Reference
Linux/net/bridge/br_private_timer.h

Version: ~ [ 2.4.0 ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~ 
  1 /*
  2  *      Linux ethernet bridge
  3  *
  4  *      Authors:
  5  *      Lennert Buytenhek               <buytenh@gnu.org>
  6  *
  7  *      $Id: br_private_timer.h,v 1.1 2000/02/18 16:47:13 davem Exp $
  8  *
  9  *      This program is free software; you can redistribute it and/or
 10  *      modify it under the terms of the GNU General Public License
 11  *      as published by the Free Software Foundation; either version
 12  *      2 of the License, or (at your option) any later version.
 13  */
 14 
 15 #ifndef _BR_PRIVATE_TIMER_H
 16 #define _BR_PRIVATE_TIMER_H
 17 
 18 struct br_timer
 19 {
 20         int running;
 21         unsigned long expires;
 22 };
 23 
 24 extern __inline__ void br_timer_clear(struct br_timer *t)
 25 {
 26         t->running = 0;
 27 }
 28 
 29 extern __inline__ unsigned long br_timer_get_residue(struct br_timer *t)
 30 {
 31         if (t->running)
 32                 return jiffies - t->expires;
 33 
 34         return 0;
 35 }
 36 
 37 extern __inline__ void br_timer_set(struct br_timer *t, unsigned long x)
 38 {
 39         t->expires = x;
 40         t->running = 1;
 41 }
 42 
 43 extern __inline__ int br_timer_is_running(struct br_timer *t)
 44 {
 45         return t->running;
 46 }
 47 
 48 extern __inline__ int br_timer_has_expired(struct br_timer *t, unsigned long to)
 49 {
 50         return t->running && time_after_eq(jiffies, t->expires + to);
 51 }
 52 
 53 
 54 #endif
 55
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