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| author | David Woodhouse <dwmw2@infradead.org> | 2006-08-30 23:30:38 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-08-30 23:30:38 +0100 |
| commit | 0a7d5f8ce960e74fa22986bda4af488539796e49 (patch) | |
| tree | e29ad17808a5c3410518e22dae8dfe94801b59f3 /include/linux/time.h | |
| parent | 0165508c80a2b5d5268d9c5dfa9b30c534a33693 (diff) | |
| parent | dc709bd190c130b299ac19d596594256265c042a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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) \ |