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| author | David Woodhouse <dwmw2@infradead.org> | 2008-04-22 12:34:25 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2008-04-22 12:34:25 +0100 |
| commit | f838bad1b3be8ca0c785ee0e0c570dfda74cf377 (patch) | |
| tree | 5a842a8056a708cfad55a20fa8ab733dd94b0903 /include/linux/jiffies.h | |
| parent | dd919660aacdf4adfcd279556aa03e595f7f0fc2 (diff) | |
| parent | 807501475fce0ebe68baedf87f202c3e4ee0d12c (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/jiffies.h')
| -rw-r--r-- | include/linux/jiffies.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index e0b5b684d83..33ef710dac2 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -36,7 +36,7 @@ #elif HZ >= 6144 && HZ < 12288 # define SHIFT_HZ 13 #else -# error You lose. +# error Invalid value of HZ. #endif /* LATCH is used in the interval timer and ftape setup. */ @@ -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. */ |