diff options
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 e0b5b684d83f..e377e34e589e 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h | |||
@@ -135,6 +135,22 @@ static inline u64 get_jiffies_64(void) | |||
135 | #define time_before_eq64(a,b) time_after_eq64(b,a) | 135 | #define time_before_eq64(a,b) time_after_eq64(b,a) |
136 | 136 | ||
137 | /* | 137 | /* |
138 | * These four macros compare jiffies and 'a' for convenience. | ||
139 | */ | ||
140 | |||
141 | /* time_is_before_jiffies(a) return true if a is before jiffies */ | ||
142 | #define time_is_before_jiffies(a) time_after(jiffies, a) | ||
143 | |||
144 | /* time_is_after_jiffies(a) return true if a is after jiffies */ | ||
145 | #define time_is_after_jiffies(a) time_before(jiffies, a) | ||
146 | |||
147 | /* time_is_before_eq_jiffies(a) return true if a is before or equal to jiffies*/ | ||
148 | #define time_is_before_eq_jiffies(a) time_after_eq(jiffies, a) | ||
149 | |||
150 | /* time_is_after_eq_jiffies(a) return true if a is after or equal to jiffies*/ | ||
151 | #define time_is_after_eq_jiffies(a) time_before_eq(jiffies, a) | ||
152 | |||
153 | /* | ||
138 | * Have the 32 bit jiffies value wrap 5 minutes after boot | 154 | * Have the 32 bit jiffies value wrap 5 minutes after boot |
139 | * so jiffies wrap bugs show up earlier. | 155 | * so jiffies wrap bugs show up earlier. |
140 | */ | 156 | */ |