diff options
Diffstat (limited to 'net/bridge/br_private_timer.h')
-rw-r--r-- | net/bridge/br_private_timer.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/net/bridge/br_private_timer.h b/net/bridge/br_private_timer.h new file mode 100644 index 000000000..6655ab9f5 --- /dev/null +++ b/net/bridge/br_private_timer.h @@ -0,0 +1,54 @@ +/* + * Linux ethernet bridge + * + * Authors: + * Lennert Buytenhek <buytenh@gnu.org> + * + * $Id: br_private_timer.h,v 1.1 2000/02/18 16:47:13 davem Exp $ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _BR_PRIVATE_TIMER_H +#define _BR_PRIVATE_TIMER_H + +struct br_timer +{ + int running; + unsigned long expires; +}; + +extern __inline__ void br_timer_clear(struct br_timer *t) +{ + t->running = 0; +} + +extern __inline__ unsigned long br_timer_get_residue(struct br_timer *t) +{ + if (t->running) + return jiffies - t->expires; + + return 0; +} + +extern __inline__ void br_timer_set(struct br_timer *t, unsigned long x) +{ + t->expires = x; + t->running = 1; +} + +extern __inline__ int br_timer_is_running(struct br_timer *t) +{ + return t->running; +} + +extern __inline__ int br_timer_has_expired(struct br_timer *t, unsigned long to) +{ + return t->running && time_after_eq(jiffies, t->expires + to); +} + + +#endif |