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| author | John W. Linville <linville@tuxdriver.com> | 2006-07-27 22:27:06 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-07-27 22:27:06 +0400 |
| commit | 20f99dcf417a28089ef6c877ae97f5dec2eab435 (patch) | |
| tree | b4fe1f3e429d6a82ddaaa8e12899da630cfa8a63 /include/linux/time.h | |
| parent | dd2f5538a157bda68bfa8efb39feaaccdda9e74e (diff) | |
| parent | 64821324ca49f24be1a66f2f432108f96a24e596 (diff) | |
| download | linux-20f99dcf417a28089ef6c877ae97f5dec2eab435.tar.xz | |
Merge branch 'from-linus' into upstream
Diffstat (limited to 'include/linux/time.h')
| -rw-r--r-- | include/linux/time.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/time.h b/include/linux/time.h index c05f8bb9a323..a5b739967b74 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -71,6 +71,18 @@ extern unsigned long mktime(const unsigned int year, const unsigned int mon, extern void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec); /* + * sub = lhs - rhs, in normalized form + */ +static inline struct timespec timespec_sub(struct timespec lhs, + struct timespec rhs) +{ + struct timespec ts_delta; + set_normalized_timespec(&ts_delta, lhs.tv_sec - rhs.tv_sec, + lhs.tv_nsec - rhs.tv_nsec); + return ts_delta; +} + +/* * Returns true if the timespec is norm, false if denorm: */ #define timespec_valid(ts) \ |