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| author | John Stultz <john.stultz@linaro.org> | 2012-05-03 12:43:40 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2013-03-22 16:19:59 -0700 |
| commit | 1ff3c9677bff7e468e0c487d0ffefe4e901d33f4 (patch) | |
| tree | 202cef5857654e15eb471c2216f37f995f1c6e2f /kernel/posix-timers.c | |
| parent | cc244ddae6d4c6902ac9d7d64023534f8c44a7eb (diff) | |
| download | lwn-1ff3c9677bff7e468e0c487d0ffefe4e901d33f4.tar.gz lwn-1ff3c9677bff7e468e0c487d0ffefe4e901d33f4.zip | |
timekeeping: Add CLOCK_TAI clockid
This add a CLOCK_TAI clockid and the needed accessors.
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'kernel/posix-timers.c')
| -rw-r--r-- | kernel/posix-timers.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 6edbb2c55c22..fbfc5f1b7710 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -221,6 +221,11 @@ static int posix_get_boottime(const clockid_t which_clock, struct timespec *tp) return 0; } +static int posix_get_tai(clockid_t which_clock, struct timespec *tp) +{ + timekeeping_clocktai(tp); + return 0; +} /* * Initialize everything, well, just everything in Posix clocks/timers ;) @@ -261,6 +266,10 @@ static __init int init_posix_timers(void) .clock_getres = posix_get_coarse_res, .clock_get = posix_get_monotonic_coarse, }; + struct k_clock clock_tai = { + .clock_getres = hrtimer_get_res, + .clock_get = posix_get_tai, + }; struct k_clock clock_boottime = { .clock_getres = hrtimer_get_res, .clock_get = posix_get_boottime, @@ -278,6 +287,7 @@ static __init int init_posix_timers(void) posix_timers_register_clock(CLOCK_REALTIME_COARSE, &clock_realtime_coarse); posix_timers_register_clock(CLOCK_MONOTONIC_COARSE, &clock_monotonic_coarse); posix_timers_register_clock(CLOCK_BOOTTIME, &clock_boottime); + posix_timers_register_clock(CLOCK_TAI, &clock_tai); posix_timers_cache = kmem_cache_create("posix_timers_cache", sizeof (struct k_itimer), 0, SLAB_PANIC, |