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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 15:43:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 15:43:43 -0700
commit5dfeaef89559d4968b0470adf749659f10d722f6 (patch)
treee38f4177b8e2e12cd1aa2e9910beea1dc3578784 /include
parent429f731dea577bdd43693940cdca524135287e6a (diff)
parent259aae864ceeb2b34e7bafa1ce18d096a357fab2 (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')
-rw-r--r--include/linux/jiffies.h16
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.
*/