diff options
Diffstat (limited to 'include/linux/time.h')
| -rw-r--r-- | include/linux/time.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/time.h b/include/linux/time.h index 51e883df0fa5..c911ef69ea87 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -40,6 +40,8 @@ extern struct timezone sys_tz; #define NSEC_PER_SEC 1000000000L #define FSEC_PER_SEC 1000000000000000L +#define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1) + static inline int timespec_equal(const struct timespec *a, const struct timespec *b) { @@ -74,6 +76,8 @@ extern unsigned long mktime(const unsigned int year, const unsigned int mon, const unsigned int min, const unsigned int sec); extern void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec); +extern struct timespec timespec_add_safe(const struct timespec lhs, + const struct timespec rhs); /* * sub = lhs - rhs, in normalized form |