diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-21 15:43:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-21 15:43:43 -0700 |
| commit | 5dfeaef89559d4968b0470adf749659f10d722f6 (patch) | |
| tree | e38f4177b8e2e12cd1aa2e9910beea1dc3578784 /include/linux | |
| parent | 429f731dea577bdd43693940cdca524135287e6a (diff) | |
| parent | 259aae864ceeb2b34e7bafa1ce18d096a357fab2 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt:
hrtimer: optimize the softirq time optimization
hrtimer: reduce calls to hrtimer_get_softirq_time()
clockevents: fix typo in tick-broadcast.c
jiffies: add time_is_after_jiffies and others which compare with jiffies
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/jiffies.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index e0b5b684d83..e377e34e589 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -135,6 +135,22 @@ static inline u64 get_jiffies_64(void) #define time_before_eq64(a,b) time_after_eq64(b,a) /* + * These four macros compare jiffies and 'a' for convenience. + */ + +/* time_is_before_jiffies(a) return true if a is before jiffies */ +#define time_is_before_jiffies(a) time_after(jiffies, a) + +/* time_is_after_jiffies(a) return true if a is after jiffies */ +#define time_is_after_jiffies(a) time_before(jiffies, a) + +/* time_is_before_eq_jiffies(a) return true if a is before or equal to jiffies*/ +#define time_is_before_eq_jiffies(a) time_after_eq(jiffies, a) + +/* time_is_after_eq_jiffies(a) return true if a is after or equal to jiffies*/ +#define time_is_after_eq_jiffies(a) time_before_eq(jiffies, a) + +/* * Have the 32 bit jiffies value wrap 5 minutes after boot * so jiffies wrap bugs show up earlier. */ |